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SUMMARY OF CLIMATOLOGICAL DATA
SUMMARY OF CLIMATOLOGICAL DATA
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Temperature |
Average Temperature |
Average Temperature |
Precipitation |
Precipitation |
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Hampton |
Blacksburg |
Norfolk (FHC) |
Blacksburg |
Herndon |
Mechanicsville |
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Fayetteville |
Elizabeth City Roxboro |
Fayetteville |
Asheville |
Greensboro |
Charlotte |
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Columbia |
Florence Orangeburg |
Columbia |
Florence |
Charleston |
Anderson Greenville-Spartanburg |
STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 S CWA
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BCB 85.6 61.7 73.7 +2.6 94 6,7 47 2,3 9 0 0 0 76% 30 210° 30 2.9 6 0 0 0 1 2400 AKQ
BRI 88.9 65.16 77.03 +3.23 99 6 49 2 15 0 0 0 57% 0 0 0 0 0 0510/1600 LWX
CEN 89.3 68.8 79.1 +5.8 98 6,7, 55 2 20 0 0 0 65% 53 302° 25 1.4 320° 7 0 0 0 3 2400 LWX
24,25
CHT 90.2 69.0 79.6 +8.0 100 6,7 54.8 3 17 0 0 0 70% 16 180° 18 0.3 360° 6 0 0 0 0 2400 LWX
CHO 92.6 66.8 79.7 101 24,25 51 2,3 24 0 0 0 33 330° 2 2.7 1 0 0 0 1 2400 LWX
DAN 93.0 68.4 80.7 +1.9 104 7 51 3 24 0 0 0 67% 35 240° 21 4.2 11 0 0 0 0 2400 RNK
DCA 92.3 73.9 83.1 +3.9 102 6,7 63 2,3 21 0 0 0 56% 53 340° 25 7.2 7 0 0 0 1 2400 LWX
IAD 90.8 68.1 79.5 +3.8 101 7 52 3 20 0 0 0 65% 51 320° 25 5.4 8 0 0 0 3 2400 LWX
GAV 91.13 70.81 81.97 103 24 57 2 22 0 0 0 64% 30 270° 14 6 0 0 0 0 2400 AKQ
30 225° 16
HAM 107 2400 AKQ
HDV 90.0 67.6 78.8 +2.0 99 6,24 53 2 20 0 0 0 68% 8 0 0 0 0 2400 LWX
LDY 92.7 70.8 81.0 +3.5 102 24 55 2 23 0 0 0 49% 3 0 0 0 0 2400 AKQ
LYH 91.1 66.1 78.6 +3.5 101 25 52 2 22 0 0 0 67% 33 330° 20 3.7 8 0 0 0 2 2400 RNK
NPN 93.7 72.5 82.6 +2.5 105.7 24 56.4 3 21 0 0 0 38 250° 19 3.5 225° 6 0 0 0 0 2400 AKQ
NOR 91.9 71.8 81.4 +2.3 104 24,25 58 3 20 0 0 0 4 0 0 0 0 2400 AKQ
ORF 92.2 73.4 82.8 +3.7 105 24,25 62 3 20 0 0 0 65% 38 250° 19 8.6 8 0 0 0 2 2400 AKQ
FHC 92.46 74.94 83.7 +4.6 104.6 24 64.2 3 21 0 0 0 72% 32 050° 29 2.0 203° 2400 AKQ
POR 92.6 71.4 82.0 +2.2 104.2 25 56.7 3 21 0 0 0 72% 46 023° 29 3.6 150° 6 0 0 0 0 2400 AKQ
CTR 93.2 67.7 79.4 +0.5 103.8 24 51.3 2 22 0 0 0 71% 27 290° 29 0.1 215° 4 0 0 0 0 2400 AKQ
MEC 95.51 70.42 83.19 105 24,25 55 3 23 0 0 0 3 0 0 0 0 1700 AKQ
RIC 94.8 70.7 82.8 +4.9 105 24,25 56 3 24 0 0 0 60% 47 320° 29 6.9 8 0 0 0 0 2400 AKQ
ROA 90.0 68.6 79.3 +3.1 100 7,8 54 2,3 18 0 0 0 64% 49 310° 9 4.8 8 0 0 0 1 2400 AKQ
WAL 89.4 71.5 80.5 +3.9 100 24,25 57 3 14 0 0 0 39 330° 20 8.4 0 0 0 0 0 2400 AKQ
WOO 84.8 68.9 76.9 +2.3 93 7,8 54 1 7 0 0 0 4 0 0 0 7 2400 LWX
WSH 88.3 67.41 77.8 +2.4 98.9 6 54.2 2 13 0 0 0 73% 14 160° 25 0.3 250° 4 0 0 0 0 2400 LWX
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STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 S CWA
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AVL 86.6 65.8 76.2 +3.2 94 8 56 5 6 0 0 0 73% 31 300° 11 3.8 7 0 0 0 2 2400 GSP
MRH 86.3 73.9 80.1 97 7 59 4 2 0 0 0 35 230° 18 10.0 0 0 0 0 0 2400 MHX
CLT 93.1 70.9 82.0 +1.7 101 8,25 56 3 26 0 0 0 65% 43 360° 17 5.4 8 0 0 0 0 2400 GSP
ECG 89.7 70.5 80.1 +0.3 101 7 52 3 19 0 0 0 74% 53 290° 17 8.4 9 0 0 0 4 2400 AKQ
FAY 92.9 72.4 82.6 103 7 59 3 24 0 0 0 68% 38 320° 9 6.7 14 0 0 0 2 2400 RAH
GSO 90.6 71.2 80.9 +3.0 99 7,8 58 3 20 0 0 0 64% 45 270° 20 5.8 10 0 0 0 2 2400 RAH
HSE 83.6 72.5 78.0 -1.2 94 7 58 4 1 0 0 0 84% 75 090° 11 9.3 0 0 0 0 1 2400 MHX
HKY 90.6 69.7 80.2 +2.5 99 7 59 3 19 0 0 0 51 200° 16 2.9 8 0 0 0 5 2400 GSP
LBT 91.9 72.6 82.3 +3.1 102 7 60 4 24 0 0 0 72% 54 340° 27 5.3 12 0 0 0 3 2400 ILM
MON 92.8 68.5 79.6 +0.4 102.5 7 52.8 3 24 0 0 0 78% 21 203° 18 0.9 270° 5 0 0 0 2 2400 RAH
EWN 90.2 71.3 80.7 +0.4 98 7 59 4 21 0 0 0 73% 56 330° 12 5.9 7 0 0 0 1 2400 MHX
RDU 93.4 71.2 82.3 +3.5 102 7,25 57 3 23 0 0 0 65% 48 230° 9 5.8 10 0 0 0 0 2400 RAH
RAL 91.7 68.3 80.0 +1.2 102 7 53 2 22 0 0 0 23 19 4 0 0 0 0 2400 RAH
ROX 91.6 69.2 80.6 +4.2 101 7 52 2 22 0 0 0 68% 36 320° 20 180° 8 0 0 0 2 2200 RAH
ILM 90.3 73.2 81.7 +0.6 98 7 60 3 19 0 0 0 71% 43 330° 14 7.2 6 0 0 0 1 2400 ILM
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STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 S CWA
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AND 92.4 72.0 82.2 +2.5 98 25,26 61 4 23 0 0 0 36 240° 14 4.2 12 0 0 0 1 2400 GSP
CAE 95.1 73.7 84.4 +2.4 103 8 62 3,4 27 0 0 0 63% 60 250° 27 5.1 15 0 0 0 3 2400 CAE
CRE 89.5 75.0 82.2 +2.8 97 8 63 3,4 16 0 0 0 77% 37 120° 29 8.4 11 0 0 0 2 2400 ILM
CHS 91.6 73.7 82.7 +1.0 99 26 61 4 25 0 0 0 41 310° 13 6.7 12 0 0 0 1 2400 CHS
FLO 91.5 72.8 82.1 +1.0 98 7,26 60 4 22 0 0 0 74% 48 250° 12 6.0 8 0 0 0 2 2400 ILM
GSP 92.4 72.0 82.2 +2.5 98 25,26 61 4 23 0 0 0 67% 36 340° 14 4.2 12 0 0 0 1 2400 GSP
OGB 93.4 71.9 82.7 101 8 60 4 26 0 0 0 35 280° 28 4.2 14 0 0 0 3 2400 CAE |
STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 S CWA
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TRI 90.7 66.0 78.4 +4.2 97 24,25 57 3 20 0 0 0 38 250° 9 3.0 6 0 0 0 3 2400 MRX
DAV 68 +1 85 9 67 24 0 0 0 0 0700 PBZ |
STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
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BCB 4.62 +0.45 2.08 12 2.08 12 12 1 22.70 0.0 2400
BRI 4.05 0.0 1.46 13 2.02 13-14 7 2 17.80 0.0 30.28 2 29.83 9 0510/1600
CEN 4.13 +0.56 1.17 9 1.17 9 8 1 22.22 0.0 30.32 2 29.81 9 30.070 2400
CHT 5.53 +1.46 1.26 29 1.26 29 10 2 24.20 0.0 30.292 2 29.767 9 29.969 2400
CHO 2.18 0.72 13 0.72 13 9 0 20.09 0.0 29.78 25 2400
DAN 2.09 -2.25 0.58 17 0.59 17-18 12 0 22.34 0.0 30.15 8 29.59 6 2400
DCA 5.17 +1.51 1.17 10 2.16 13-14 9 2 18.77 0.0 29.78 25 2400
IAD 4.17 +0.60 0.75 13 1.08 18-19 10 0 22.20 0.0 29.78 25 2400
GAV 4.37 1.35 18 1.35 18 10 1 23.78 0.0 30.26 2 29.97 9 29.97 2400
HAM 0.0 2400
HDV 6.49 +2.76 1.34 12 11 2 24.07 0.0 30.24 2 29.71 9 2400
LDY 1.26 -2.69 0.72 10 0.72 10 5 0 15.60 0.0 30.27 2 29.73 29 29.95 2400
LYH 2.89 -1.50 0.99 27 0.99 27 11 0 28.60 0.0 29.81 2400
NPN 3.34 -2.30 2.69 29 2.40 29-30 6 1 26.56 0.0 30.25 2 29.76 29 2400
NOR 5.44 +0.27 4.23 29 4.23 29 6 1 29.94 0.0 2400
ORF 5.84 +0.67 4.64 29 4.64 28-29 7 1 29.23 0.0 30.24 3 29.78 29 2400
FHC 5.77 +0.60 4.47 29 4.47 29 6 1 29.24 0.0 30.236 3 29.779 29 29.989 2400
POR 3.22 -2.09 2.37 29 2.37 29 8 1 29.53 0.0 30.25 3 29.79 10 29.994 2400
CTR 4.03 -0.28 1.12 12 1.13 12-13 13 1 24.53 0.0 30.24 2 29.76 9 29.963 2400
MEC 1.15 0.37 10 0.38 13-14 6 0 21.47 0.0 30.03 2 29.62 9 29.77 2400
RIC 1.19 -3.48 0.57 12 0.57 12 9 0 18.81 0.0 30.28 2 29.79 29 2400
ROA 5.73 +1.73 2.60 9 2.72 8 9 12 1 24.35 0.0 30.31 2 29.82 10 2400
WAL 1.90 -1.66 1.61 13 1.61 13 4 1 19.79 0.0 30.24 2 29.79 25 2400
WOO 3.17 +0.07 2.60 9-10 6 1 19.15 0.0 30.56 2 30.18 10 0800
WSH 2.22 -1.93 0.71 9 1.24 9-10 10 0 22.78 0.0 30.33 2 29.81 9 2400 |
STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
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AVL 3.54 -0.33 0.92 18 1.06 11-12 12 0 26.95 0.0 30.13 21 29.83 31 2400
MRH 5.38 1.69 1 1.82 13-14 13 2 25.59 0.0 30.26 3 29.79 10 2400
CLT 2.48 -1.31 1.56 12 1.56 12 10 1 23.15 0.0 30.13 21 29.83 31 2400
ECG 3.88 -1.07 1.74 17 1.74 17 12 1 20.44 0.0 30.26 2 29.79 25 2400
FAY 3.60 1.74 10 1.77 9-10 11 1 21.92 0.0 29.81 9 2400
GSO 7.33 +2.89 3.20 13 3.20 13 7 3 27.07 0.0 29.81 9 2400
HSE 6.28 -1.33 1.46 13 1.93 12-13 12 4 28.52 0.0 30.23 3 29.75 9 2400
HKY 5.05 +0.88 1.03 17 1.54 17-18 14 1 27.24 0.0 30.23 2 29.78 12 2400
LBT 7.14 +1.53 3.40 27 3.40 27 11 1 23.14 0.0 30.23 3 29.82 30 2400
MON 6.65 +1.83 2.99 27 2.99 27 7 3 28.21 0.0 30.258 11 29.801 27 30.030 2400
EWN 2.97 -3.85 0.70 29 0.99 29-30 12 1 25.10 0.0 30.26 3 29.79 10 2400
RDU 2.89 -1.40 0.64 20 0.64 20 11 0 21.09 0.0 29.81 9 2400
RAL 5.78 -1.49 1.18 29-30 10 1 27.50 0.0 30.15 1 29.80 22 0730
ROX 3.21 -1.38 0.64 25 0.64 25 14 0 23.49 0.0 30.33 2,3 29.87 9,10 30.07 2200
11
ILM 5.34 -2.28 3.55 14 3.57 13-14 8 1 27.62 0.0 30.24 3 29.80 30 2400 |
STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
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AND 3.97 +0.34 1.86 16 1.87 16-17 9 1 27.67 0.0 30.13 21 29.83 31 2400
CAE 7.70 +2.16 2.01 31 2.01 14-15 13 4 23.34 0.0 30.22 3 29.78 9 2400
CRE 7.20 +2.01 2.66 29 2.66 29 12 0 22.09 0.0 30.23 3 29.82 30 2400
CHS 9.86 +3.73 2.73 13 2.81 10-11 16 3 37.62 0.0 30.20 3 29.83 30 2400
FLO 6.32 +1.04 2.41 9 2.72 9-10 11 2 22.24 0.0 30.16 22 29.69 6 2400
GSP 3.97 -0.34 1.86 16 1.87 16-17 9 1 25.62 0.0 30.13 21 29.83 31 2400
OGB 5.92 1.07 21 1.78 10-11 11 2 26.72 0.0 30.22 3 29.80 9 2400
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STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
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TRI 1.58 -2.63 0.42 12 0.42 12 10 0 17.36 0.0 30.23 2 29.79 12 2400
DAV 4.3 -1.3 1.35 14 11 1 32.2 0.0 0700
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Virginia:
Arlington - " THE BIG STORY THIS MONTH WAS THE RECORD HEAT. THE AVERAGE MONTHLY TEMPERATURE IN WASHINGTON DC FOR JULY 2010 OF 83.1F TIED WITH JULY 1993 FOR THE WARMEST MONTH...NOT ONLY FOR JULY...BUT FOR ANY SINGLE CALENDAR MONTH ON RECORD. THE MONTHLY AVERAGE MAXIMUM TEMPERATURE FOR JULY 2010 WAS 92.3F... THE FOURTH HIGHEST...AND JUST SHY OF THE HIGHEST AVERAGE MONTHLY MAX TEMPERATURE OF 92.8F IN JULY 1999. SO FAR THIS METEOROLOGICAL SUMMER SINCE JUNE 1ST...THE AVERAGE TEMPERATURE HAS BEEN 81.8F...WHICH IS MORE THAN ONE DEGREE ABOVE THE PREVIOUS WARMEST 61 DAY JUNE-JULY PERIOD OF 1994...80.6F. JULY 2010 WAS THE 5TH CONSECUTIVE MONTH STARTING WITH MARCH 2010 WITH MONTHLY TEMPERATURES MORE THAN 3.8 ABOVE NORMAL. THERE WERE 21 DAYS THE TEMPERATURE REACHED 90F OR BETTER IN JULY 2010. THE JULY WITH THE MOST NUMBER OF 90F OF BETTER DAYS WAS 1993 WITH 24 DAYS. SO THIS YEAR THROUGH JULY...WASHINGTON DC HAS HAD 44 DAYS OF 90F OR GREATER...THE MOST NUMBER OF SUCH DAYS IN ANY YEAR THROUGH JULY. THERE WERE TWO RECORD DAILY HIGHS SET THIS JULY...102F ON THE 7TH AND 101F ON THE 24TH. THREE DAILY HIGH MINIMUM TEMPERATURE RECORDS WERE SET...80F ON THE 7TH AND 8TH...AND 81F ON THE 24TH. THERE WERE THREE DAYS THIS JULY THAT REACHED THE CENTURY MARK... WHICH IS ONLY THE 7TH TIME IN JULY THAT AT LEAST THREE 100 DEGREE DAYS HAS OCCURRED. ON JULY 6...THERE WERE 7 CONSECUTIVE HOURS OF 100F OR BETTER RECORDED FROM NOON TO 6 PM EDT. THIS TIES THE MARK SET IN 1930 ON JULY 21 FOR THE MOST NUMBER OF CONSECUTIVE HOURS OF 100F OR BETTER. ON JULY 6TH...THE HOURLY TEMPERATURE REACHED 100F JUST BEFORE NOON EDT...THE EARLIEST THAT 100F WAS REACHED IN ANY CALENDAR DAY ON RECORD. HOURLY RECORDS GO BACK TO AUGUST 1921. PREVIOUSLY...THE EARLIEST RECORD OF A 100F DEG READING IN WASHINGTON DC WAS IN 1930 ON AUG 21 AT 1 PM EDT. JULY RAINFALL IN WASHINGTON WAS ABOVE NORMAL...THE FIRST MONTH TO RECORD ABOVE NORMAL PRECIPITATION SINCE FEBRUARY 2010. " - [ + + ] - Notes from NWS Sterling, VA
Bridgewater - " The temperature for the month was 3.23 degrees above normal. There were 15 days with high temperature of 90-degrees or above. In the last 2 months, there were 25 days with 90-degree temperatures. For the same 2 months last year, there was only one 90-degree day. The precipitation was about normal. The first part of the month was very dry. The several heavy rains during the later part of the month made up for the dry weather. The precipitation for the year is now 17.80, and that is 3.67 inches below normal. " - [ + -/+ ] - Comments from Clayton
Centreville - Paul notes: " During the past four months from March thru June our average nightly lows have averaged 8.3° warmer than usual. For July the average was just 5.6° warmer, and very close to the 5.8° monthly average temperature. Snow shovels are now on sale over at the sunny Centreville Sea & Ski Resort & Country Club. - [ + + ]
Chantilly - Russ reports: " July temperatures averaged 8.0° above normal and precipitation was 1.46" above normal. It was another record month. Most notable was the mean temperature of 79.6°, which was the second warmest ever. A record high maximum temperature occurred on the 24th (98.4°) and 25th (99.1°). A record high minimum temperature occurred on the 7th (74.5°), 8th (77.3°), 9th (73.8° tie), 16th (72.7° tie) and 24th (78.4°). Record daily rainfall of 1.26" occurred on the 29th. A thunderstorm occurred on the 13th, 16th, 18th, 19th, 25th and 29th. Much of our July precipitation occurred in the numerous thunderstorms. Please note, anemometer is currently partially obstructed from the Southeast " - [ + + ]
Dulles - from NWS Sterling (KLWX): " THE BIG STORY THIS JULY WAS THE NEAR RECORD HEAT. THE AVERAGE MONTHLY TEMPERATURE AT DULLES FOR JULY 2010 WAS 79.5F...TIED FOR THE SECOND WARMEST MONTH ON RECORD IN JULY 1994...AND JUST SHY OF THE HIGHEST MONTHLY AVERAGE OF 79.7F IN JULY 1993. SO FAR THIS METEOROLOGICAL SUMMER SINCE JUNE 1ST...THE AVERAGE TEMPERATURE HAS BEEN 78.1F...THE HIGHEST SINCE THE PREVIOUSLY WARMEST 61 DAY JUNE-JULY PERIOD OF 77.8F IN 1994. EVERY MONTH SINCE MARCH 2010 HAS RANKED IN THE TOP-THREE WARMEST OF ALL-TIME AT DULLES...WITH MARCH AND JUNE BOTH BEING THE WARMEST ON RECORD. THERE WERE 20 DAYS THE TEMPERATURE REACHED 90F OR BETTER IN JULY 2010 AT DULLES...ONE SHY OF THE MOST NUMBER OF 90F OF BETTER DAYS THAT HAS OCCURRED THREE TIMES...1987...1988 AND 1999. SO FAR THIS YEAR THROUGH JULY...DULLES HAS HAD 37 DAYS OF 90F OR GREATER...THE MOST NUMBER OF SUCH DAYS IN ANY YEAR THROUGH JULY. THIS JULY...THERE WERE TWO DAILY HIGH TEMPERATURE RECORDS SET...99F ON THE 24TH AND 98F ON THE 25TH...AND ONE DAILY HIGH TEMPERATURE RECORD TIED...101F ON THE 7TH. TWO DAILY HIGH MINIMUM TEMPERATURE RECORDS WERE SET...78F ON BOTH THE 8TH AND 24TH...AND TWO WERE TIED...73F ON THE 7TH AND 74F ON THE 9TH. THE MIN TEMPERATURE READINGS OF 78F ARE THE HIGHEST DAILY MINIMUM TEMPERATURES RECORDED IN JULY AND THE SECOND HIGHEST DAILY MINIMUM TEMPERATURES RECORDED IN ANY MONTH...JUST BEHIND THE 79F ON AUGUST 8TH 2007. JULY RAINFALL IN DULLES WAS ABOVE NORMAL. " - [ + + ]
Glen Allen - Lowell Koontz notes: " The only month that was hotter than this past July in the past 113 years was August of 1900 with a mean temperature of 82.9°F that was only 0.1°F hotter! July was extremely hot not only the hottest here but Richmond International Airport had a mean monthly average of 82.8°F with the previous record of 82.4°F in 1993. The only month that was hotter in the past 113 years was August of 1900 with a mean temperature of 82.9°F. The July mean average temperature here was 82.0°F a +5.6°F departure when compared to Ashland's average and 4.9°F warmer here when compared to last July. The 4.37 inches of rainfall for July was a +0.02 inch departure when compared to Ashland's average. The West Henrico Co. - Glen Allen Station was very lucky on rainfall as we had two thunderstorms few others received. July had 10 days with measurable rain. The 0.35 inches of rain that occurred in five minutes on the 29th was the fifth most intense in the past 25 months. July had 22 days with 90øF or above temperatures and the airport had 24 and the 113-year record for July is 26 days in 1993. The maximum temperature for July was 103°F recorded on July 24th which is the highest maximum temperature ever recorded here. The 105°F recorded at the airport on the 24th and 25th also ties the highest maximum temperature ever recorded in July in Richmond. The airport has now had ten days in 2010 with the temperature 100°F or more; the old record is nine in 1954. The high of 105°F and low of 79°F on these two dates yields a daily average temp of 92.0°F which breaks the all-time daily mean temp of 91.5. Thus making these two dates the hottest ever recorded in the past 113 years for the month of July. The minimum temperature here on the 25th was 79.3°F at 2349 or 79°F that makes it the warmest night recorded at the Glen Allen area station since its start in July of 2008. On 23 nights the minimum temperature was 70°F or higher. A wind gust of 30 mph on the 14th and 16th is not thought to be the strongest wind gust recorded for July. The northwesterly wind during the thunderstorm on the 29th was thought to be at least 35 to 40 mph but was blocked by trees in that direction. I plan to move the anemometer soon to a higher location. " - [ + + ]
Herndon - Randy sends these additional notes: " July was above normal for temperature and well above normal for precipitation. The temperatures ranged between a high of 99 and a low of 53. The average highs and lows were about 2.5 and 0.5 degrees above normal, respectively. We recorded 20 days where the max temp was 90 or higher. On the precipitation side, the month was 2.76" above normal with 6.49" measured, the most I have recorded in July in the last 17 years. From the 10th through the 19th, there were many days with scattered thunderstorms where some areas got lots of rain and others got little. My site was one of those that was very wet. The last 10 days of the month also saw a couple of days with TSRA; especially on the 25th when some severe TSRA went through the area producing some heavy rains and very strong winds. Fortunately, the worst winds occurred just north of my station. We have now had 24.07" precipitation for the year that is still over 2.75" below normal. " - [ + + ]
Ladysmith - Danny adds: " July was the warmest month ever recorded at this location, where I have been taking observations since 2003. Temperatures were at or above the 100° mark on 5 days this month, including the warmest temperature ever recorded at this location (102° on the 24th), also a new record. Pop-up thunderstorms continued to miss the area for the most part, leading to locally imposed water restrictions and almost universally brown lawns. Rainfall has totaled less than 2" over the past two months. " - [ + - ]
Portsmouth - " JULY 2010 TIED JULY 1991 FOR THE 6TH WARMEST JULY & THE 10TH DRIEST JULY IN THE DATABASE TO 1976 . July was much warmer and drier relative to normal Julys for the period from 1977 to 2009. The 3.22" of rain was 2.09" BELOW normal rainfall ( 61% of normal). The month's average temp was 2.2° ABOVE normal. STATION RECORDS: 4th - TEMPERATURE Minimum 59° [previous 61° 1986]; 5th - TEMP TIED Max 98° [prev 1999]; 7th - TEMP TIED Max 100° [prev 1977]; 8th - TEMP Max Min 77°[prev 76° 1987]; 18th - TEMP Max 99° [prev 77° 1977]; 20th - TEMP TIED Max 98° [prev 1977]; 23rd - TEMP Max 100° [prev 99° 1995]; 24th - TEMP Max 104° [prev 101° 1995] ALL-TIME STATION MAX TEMP; 25th - TEMP Max 104° [prev 96° 1987] ALL-TIME STATION MAX TEMP TIED; 29th - WIND GUST 46mph [prev 28mph 2009] Frontal passages were noted on these dates: 7th (backdoor front from ocean), 9th, 14th, 25th, and 30th. Of particular interest was the convergence of two fronts over the area around 5 8pm on the 29th. A strong sea breeze moved onshore in Virginia Beach as a strong line of thunderstorms moved in from the northwest. The sea-breeze front created a most unusual visual presentation at this station with cumulonimbus clouds moving in from the ocean shoreline from ESE to the NNW; here, we rarely see CB coming in from that direction (sometimes with tropical systems offshore). As the fronts collided over northern Norfolk, the system combined and reformed, pushing SSE through Southeastern Virginia. A funnel cloud was reported by tower observers at Norfolk International Airport. As the systems merged and reformed, downpours and localized flooding was noted over the local area including the cities of Newport News, Hampton, Norfolk, Portsmouth, Chesapeake and Virginia Beach. At the station, the sky cam movie recorder was turned-on during the event. Playback of the video was quite interesting, even more so when the video playback speed was increased. At that time, rotation of the clouds within a mile to the north of the camera could be clearly seen. No funnels clouds were noted in that video. " - [ + - ]
North Carolina:
Greensboro - NWS RAH notes: " MONTHLY AVERAGE TEMPERATURE OF 80.9 MAKES JULY 2010 THE SECOND WARMEST JULY ON RECORD AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT. THIS IS 1.1 DEGREES BELOW THE PREVIOUS RECORD OF 82.0 DEGREES SET IN JULY 1993. THE MINIMUM TEMPERATURE OF 78 DEGREES ON THE 23RD...24TH...AND 25TH IS THE RECORD HIGH MINIMUM FOR JULY AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT. THIS BREAKS THE OLD RECORD HIGH MINIMUM FOR JULY OF 77 DEGREES SET ON JULY 1ST 1970... JULY 10TH 1981... AND JULY 14TH 1981... THE HIGH TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 24TH WAS 96 DEGREES. THIS TIES THE OLD RECORD ORIGINALLY SET IN 1995... 1976... AND 1972... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 8TH WAS 76 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 74 SET IN 1998 AND 1977... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 15TH WAS 73 DEGREES. THIS TIES THE OLD RECORD HIGH MIN SET IN 1992... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 16TH WAS 75 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 74 SET IN 1988 AND 1980... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 21ST WAS 74 DEGREES. THIS TIES THE OLD RECORD HIGH MIN SET IN 2005... 1995... AND 1980... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 22ND WAS 76 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 75 SET IN 1972... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 23RD WAS 78 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 76 SET IN 1999... 1991... AND 1934... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 24TH WAS 78 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 75 SET IN 1934... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 25TH WAS 78 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 74 SET IN 1969 AND 1934... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 26TH WAS 75 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 74 SET IN 2005... THE LOW TEMPERATURE AT THE PIEDMONT TRIAD INTERNATIONAL AIRPORT ON JULY 29TH WAS 75 DEGREES. THIS TIES THE OLD RECORD HIGH MIN SET IN 1993... 1966... 1944... AND 1941. " - [ + + ]
Moncure - Mac adds: " Basis for 30yr Temperature/Rainfall NWS Climatological Data is SANFORD (NC) 8 NE 1970-2000. July 2010 temperature-wise was little different from June. The monthly average high heat index value was 104.5°. The heat index reached 128.2° on the 24th. High dew points and humidity made July unbearable for many hours of the day. The good news is that we had a "ton" of rain and we are now only .5 inches below normal for the year. Our lawns have benefited immensely but vegetable gardens just could not take the heat and an over abundance of rain. Cool nights were non-existent. " - [ + + ]
Raleigh - Bob adds: " The summer continues to be hot with the average daily temperature during July was 1.2 degrees above normal. Along with the heat were thunderstorms, which several produced strong, sometimes damaging winds. Precipitation for the month was 1.49" above normal. " - [ + + ]
Raleigh - NWS Raleigh (RAH) reports: THE MONTHLY AVERAGE TEMPERATURE OF 82.3 MAKES JULY 2010 THE SECOND WARMEST JULY ON RECORD AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT. THIS IS 0.2 DEGREES BELOW THE PREVIOUS RECORD OF 82.5 DEGREES SET IN JULY 1993. THE LOW TEMPERATURE OF 80 DEGREES ON THE 25TH IS THE ALL-TIME RECORD HIGH MINIMUM TEMPERATURE EVER AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT. THE OLD ALL-TIME RECORD HIGH MINIMUM WAS 78 DEGREES AND WAS HELD ON FOUR SEPARATE DAYS... JULY 8TH 1986... JULY 13TH 1981... AUGUST 9TH 2007... AND AUGUST 14TH 1995. THE HIGH TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 7TH WAS 102 DEGREES. THIS BREAKS THE OLD RECORD OF 100 ORIGINALLY SET IN 1977. THE HIGH TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 24TH WAS 100 DEGREES. THIS TIES THE OLD RECORD ORIGINALLY SET IN 1999 AND 1976. THE HIGH TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 25TH WAS 102 DEGREES. THIS BREAKS THE OLD RECORD OF 98 ORIGINALLY SET IN 1949. THE LOW TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 16TH WAS 77 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 75 SET IN 1998 AND 1995. THE LOW TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 19TH WAS 75 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 74 SET IN 1996 AND 1993. THE LOW TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 23RD WAS 76 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 75 SET IN 1991 AND 1978. THE LOW TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 24TH WAS 79 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 75 SET IN 1987. THE LOW TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 25TH WAS 80 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 74 SET IN 1986 AND 1981. THE LOW TEMPERATURE AT THE RALEIGH-DURHAM INTERNATIONAL AIRPORT ON JULY 26TH WAS 77 DEGREES. THIS BREAKS THE OLD RECORD HIGH MIN OF 73 SET IN 2005...2004....1991...AND 1987. " - [ + - ]
Nearby Cities:
Davis, WV - from Dave Lesher's website: " July 2010 had a mean temperature that was 1° ABOVE NORMAL (+1°). The month's rainfall total of 4.3 inches was 1 inch below the normal July rainfall. Rainfall for the year (32.2") is 2.1" BELOW NORMAL. No snowfall was recorded. " - [ + - ]
COLUMN DENOTATIONS:
| A maximum mean temperature | T total precipitation (inches)
T1 departure from normal |
| B minimum mean temperature | U maximum calendar day precipitation (inches) |
| C monthly mean temperature
C1 departure from normal |
U1 date of maximum calendar day precipitation |
| D maximum temperature | V date(s) of maximum daily precipitation |
| E date(s) of maximum temperature | V1 maximum 24-hour precip. & date(s) |
| F minimum temperature | W number of days with precip. >= .01" |
| G date(s) of minimum temperature | X number of days with precip. >= 1.0" |
| H days with maximum temperature >=90 | Y year-to-date precipitation (inches) |
| I days with maximum temperature <=32 | Z maximum calendar day snowfall (inches) |
| J days with minimum temperature <=32 | VRB Variable |
| K days with minimum temperature <= 0 | 1 date of maximum calendar day snowfall (inches) |
| K1 average relative humidity | 2 number of days with snowfall |
| L peak wind gust (miles per hour) | 3 number of days with snowfall >= 1.0" |
| M direction of peak wind gust | 4 total snowfall for month (inches) |
| N date(s) of peak wind gust | 5 total snowfall for 2007-2008 season (inches) |
| N1 average wind speed (miles per hour) | 6 maximum barometric pressure (inches) |
| N2 dominant wind direction | 6A date of maximum barometric pressure |
| O number of days with thunder | 7 minimum barometric pressure (inches) |
| P number of days with hail | 7A date of minimum barometric pressure |
| Q number of days with glaze | 8 average sea-level pressure |
| R number of days with ice pellets | STN Station |
| NR not recorded | |
| R1 number of days with dense fog [1/4 mile and less visibility] | (i) incomplete data |
| S local observation time for temps/precipitation | (M) missing, if listed in data table |
| ~ "about" | E estimated |
| + additional indeterminate number of days | CWA - NWS Office County Warning Area |
For ACON
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NWS Raleigh, NC
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NWS Greenville-Spartanburg, SC
NWS Columbia, SC
NWS Charleston, SC
NWS Morristown, TN
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STATION / LOCATION (MILES & DIRECTION FROM MAIN POST OFFICE)/OBSERVER / YEAR RECORDS BEGAN / EMAIL ADDRESS:
| ROK Roanoke, VA 6SW Wendell Prillaman 4/76 wlprillaman@cox.net | |
| AKQ Wakefield, VA NWS Wakefield Municipal Airport 36-58-53N 077-00-04W 33M | |
| DCA Arlington, VA Washington, DC, Reagan Washington National Airport 38-50-54N 077-02-03W 18M | WSH Washington, VA David Yowell runamok@runamok.com |
| BCB Blacksburg, VA NWS Virginia Tech Airport 37-13N 080-25W | |
| BLK Virginia Tech, Blacksburg, VA Andrew Earehart September 2009, | aeare07@vt.edu | WOO Woodstock, VA 5NW Lauck Walton 12/1/85 jwalton@shentel.net |
| LDY Ladysmith, VA Danny Jessee 2003 danny@dannyjessee.com | |
| BRI Bridgewater, VA Clayton Towers Ctowers19@aol.com | WAL Wallops Island, VA 37° 56'26" N 75° 27'47" W Wallops Flight Facility Airport | CEN Centreville, VA Paul Bassett 1985, 38° 50.9788' N LAT. 77° 25.6374' W LON. | Elevation 324' | m.psb@verizon.net | AVL Asheville, NC Asheville Regional Airport 35-25-55N 082-32-15W 670M |
| CHO Charlottesville, VA Charlottesville-Albemarle Airport ASOS (Rappahannock County) 38-08-18N 078-27-21W 192M | MRH Beaufort, NC Michael J. Field Airport 34-44-01N 076-39-38W 3M |
| DAN Danville, VA, Danville Regional Airport, 36-34-22N 079-20-10W 175M | CLT Charlotte, NC NWS Charlotte/Douglas International Airpot 35-12-48N 080-56-55W 220M |
| IAD Dulles - Washington-Dulles International Airport 38-56-05N 077-26-51W 93M | SSB Sunset Beach, NC 33.9° N 78.5° W Tom Myers |
| FCH Falls Church, VA Erica Page - 3/7/94 Windie1970@aol.com | HKY Hickory, NC |
| HAM Hampton, VA 5NE Dave Kessel 1989 david82@verizon.net | ECG Elizabeth City, NC, Coast Guard Air Station 36-15-47N 076-10-58W 11M |
| CTR Winterpock in Chesterfield County, VA Albert Arnold 06/03 | FAY Fayetteville, NC Fayetteville Regional Airport, 34-59-22N 078-52-48W 55M |
| GSO Greensboro, NC NWS Piedmont Triad International Airport 36-05-51N 079-56-37W 275M | |
| CHT Chantilly, VA Russ Topping - 12/2006 russ.topping@gmail.com - new location December 2006 | HSE Cape Hatteras, NC Mitchell Field 35-13-56N 075-27-21W 3M |
| HDV Herndon, VA Randoplh W. Ashby, 3.3 SM South, Lat: 38.922127, Lon: -77.38015, Elev: 390'. Randolph_Ashby@Raytheon.com | LBT Lumberton, NC Lumberton Municipal Airport 34-36-26N 079-03-36W 37M |
| GAV - Glen Allen, Henrico County, VA - Lowell Koontz 8/1/08 wwkoontz@verizon.net | EWN New Bern, NC Craven County Regional Airport 36-04-03N 077-02-50W 3M |
| MON Moncure, NC Chatham County - Mac McIlwain mac.mcilwain@embarqmail.com | |
| FRV Front Royal, VA Michael Perritt - 04/08 mjperritt@gmail.com | RAL Raleigh, NC 7NNW Bob Woodson - 6/1/93 kf4mmm@qsl.net |
| LKU Louisa, VA 1N Joseph Bowers 1944 - NWS ID 44-5050-02jmbiii@earthlink.net | RDU Raleigh-Durham, NC Raleigh-Durham International Airport 35-52-14N 078-47-11W 130M |
| LOU Louisa, VA 6S John Bullock (about 1970) INACTIVE 1/1/02 - MEMBER DECEASED FALL 2004 | ROX Roxboro, NC 2SE Merriell A. Jay 1/93 |
| LYH Lynchburg, VA NWS Lynchburg Regional Airport 37-19-15N 079-12-24W 295M | ILM Wilmington, NC NWS New Hanover International Airport 34-16-06N 077-54-22W 9M |
| NEW Newmarket, VA 2W Joyce Winfree joywood@shentel.net | CHS Charleston, SC NWS Charleston Air Force Base 32-53-56N 080-02-26W 13M |
| NPN Newport News, VA 7N Gary Leonard - 6/91 GaryMLeonard@aol.com | CAE Columbia, SC NWS Columbia Metropolitan Airport 33-56-31N 081-07-05W 73M |
| NOR Norfolk, VA 3NE Jim Fentress 6/1/77 | FLO Florence, SC Florence Regional Airport 34-11-16N 079-43-51W 44M |
| ORF Norfolk, VA 5NE 36-54-13N 076-11-31W 14M 1871 | GSP Greenville-Spartanburg, SC NWS Greenville-Spartanburg Airport 34-53-02N 082-13-15W 286M |
| POR Portsmouth, VA 36.81° North 76.33° West 3S Bill Trotter - 7/1/76 wxr@cox.net | CRE North Myrtle Beach, SC Grand Strand Airport 33-48-42N 078-43-26W 10M |
| MEC Mechanicsville, VA Glen Martin 11/19/91 | OGB Orangeburg, SC Orangeburg Municipal Airport 33-27-50N 080-51-13W 59M |
| FHC Norfolk, VA Fred Heutte Center 36° 54'N 76° 16'W 01/01/03 fhcgarden@cox.net | AND Anderson, SC |
| RIC Richmond, VA Richmond International Airport 37-30-40N 077-19-24W 50M | TRI Tri-cities, TN (Bristol / Johnson / Kingsport), Tri-City Regional Airport 36-28-47N 082-23-56W 474M |
| ROA Roanoke, VA Roanoke Regional Airport 37-19-01N 079-58-27W 362M | DAV Davis, WV Dave Lesher canaanwx@canaantv.tv |