http://members.cox.net/wxr/acon.htm
SUMMARY OF CLIMATOLOGICAL DATA
SUMMARY OF CLIMATOLOGICAL DATA
... FOR MOST STATIONS, BELOW NORMAL TEMPS & RAINFALL ...
Summer was well entrenched with temps rising often into the 90s. Still, there were no heat waves in June or July which sent temps to or above 100° an interesting statistic for the region. Most all areas were cooler and drier than normal but a few stations were the recipients of thunderstorm activity that pushed total amounts above normal. Of note, thunderstorm activity was more scattered in nature with no large outbreaks.
DROUGHT MONITOR http://www.drought.unl.edu/dm/monitor.html More information on drought can be found at NOAA's Drought Information Center http://www.drought.noaa.gov/
ANOTHER HURRICANE SITE Our friend Larry Atkinson, Professor of Oceanography at Old Dominion University, sends along this URL for your consideration: http://rammb.cira.colostate.edu/products/tc_realtime/storm.asp?storm_identifier=AL042007.
EXTREME WEATHER H. Michael "Mike" Mogil, Certified Consulting Meteorologist and national weather educator with "How the Weatherworks, LLC" will release his new book EXTREME WEATHER (and climate) in October 2007. Mike says it's a real weather book, not just weather records, and goes into everything from storms, media reporting, and local weather through climate change. Preliminary info can be found at http://www.weatherworks.com.
ROCK:CLIME From the Rocky Mountain Research Station - Moscow (Idaho) Forestry Sciences Laboratory comes this interesting site our friend Kevin Shaw of ACON - MD/DE/DC passes along. WYSIWYG and may be of keen interest to some of you. Visit: http://forest.moscowfsl.wsu.edu/cgi-bin/fswepp/rc/rockclim.pl.
ENTERING THE DEGREE SYMBOL ° People like to mention the temperature in their weather comments. You may not know that you can type a degree symbol ° instead of typing out the word or using a word processor inserted character. It doesn't require a special keyboard. Simply hold down the Alt key and type 0176 (or 167) on the number pad. Release the Alt key and the symbol appears. This doesn't work with the numbers above the letters, just the number pad! On a Mac, the degree symbol is shift-option-8. Word processors (WORD, Word Perfect, ...) allow you to insert the degree symbol but it's a character specific to that particular word processing program and does not translate to HTML when I copy and paste your comments. If you wish to insert a degree symbol we can use, simply follow the directions above with the Alt and Shift keys. (The process above also works in DOS based programs! Info above partially taken from the CoCoRahs website.)
MIGHTY LAKE SUPERIOR MYSTIFIES SCIENTISTS "Something seems amiss with mighty Superior, the deepest and coldest of the Great Lakes, which together hold nearly 20 percent of the world's fresh surface water." Read more here: http://news.aol.com:80/story/_a/mighty-lake-superior-mystifies/20070729134609990001.
REMINDER All National Weather Service station data listed herein is preliminary and may be subject to change. The data has not been certified and cannot be used in legal actions. Only reports certified by the National Climatic Data Center in Asheville, NC can be used for these purposes.
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Temperature |
Average Temperature |
Average Temperature |
Precipitation |
Precipitation |
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Newport News |
Blacksburg |
Newport News Norfolk (FHC) |
Blacksburg |
Lynchburg |
Ladysmith |
|
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Lumberton |
Raleigh (RAL) |
Lumberton Fayetteville |
Asheville |
New Bern |
Lumberton |
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Columbia Charleston |
Columbia |
Charleston |
Anderson |
Charleston |
Columbia |
STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 R2 S CWA
------------------------------------------------------------------------------------------------------------
ANN 88.19 67.23 77.71 -0.1 98 9 59 2.3 13 0 0 0 65% 27 W 15 8 0 0 0 0 2400 LWX
BCB 80.9 58.9 69.9 -1.2 89 8,9 50 23 0 0 0 0 72% 35 350° 19 3.1 6 0 0 0 5 2400 RNK
BRI 82.6 63.0 72.8 -1.7 92 9 52 23 1 0 0 0 57% W 3 0 0 0 0 0510 LWX
CEN 87.0 66.6 76.8 +1.7 97 9 57 2 9 0 0 0 58% 28 326° 4 1.6 7 0 0 0 0 2400 LWX
CHT 85.6 64.3 74.8 -0.9 94.7 9 55.5 2,3 7 0 0 0 66% 21 20 1 SSE 4 0 0 0 0 2400 LWX
CHO 85.1 61.8 73.4 -3.5 94 9 52 22 3 0 0 0 73% 29 330° 8 2.9 3 0 0 0 6 2400 LWX
29 080° 29
DAN 88.3 64.5 76.4 -2.4 97 9 54 22 14 0 0 0 68% 48 230° 17 5.1 2 0 0 0 2 2400 RNK
DCA 88.8 69.7 79.2 0.0 98 9,10 62 2 14 0 0 0 % 45 100° 19 7.5 7 0 0 0 0 2400 LWX
IAD 88.8 65.7 77.3 +1.6 97 9 55 3 13 0 0 0 % 40 290° 1 5.8 7 0 0 0 0 2400 LWX
FCH 89.6 67.6 78.6 98 9 57 1 16 0 0 0 35 24 7 0 0 0 - 2400 LWX
HAM 88 69 78 0.0 98 19 58 3 13 0 0 0 65% 52 NW 19 6.0 SSW 10 0 0 0 0 25% 2400 AKQ
HDV 87.7 65.2 76.5 -0.5 97 9 55 2 12 0 0 0 61% 18 S 15 N 8 0 0 0 2400 LWX
HER 3 0 0 0 6 0 0 0 2400 LWX
LDY 87.4 67.3 77.3 -0.2 96 9 57 3 12 0 0 0 55% 4 0 0 0 1 2400 AKQ
LYH 85.2 63.5 74.3 -0.8 94 9 55 22 7 0 0 0 68% 40 210° 19 4.6 5 0 0 0 1 2400 RNK
NEW 84.9 60.29 72.6 -2 95 9 51 2 5 0 0 0 62% 31 W 19 16 S 7 0 0 0 4 1700 LWX
NPN 90.7 69.8 80.2 99 19 57 3 18 0 0 0 38 NW 19 7 0 0 0 0 2400 AKQ
NOR 88.6 68.7 78.7 -0.4 97 19 56 3 14 0 0 0 5 1 0 0 0 2400 AKQ
ORF 88.0 70.7 79.4 +0.3 98 19 60 3 13 0 0 0 66% 53 180° 28 8.1 1 0 0 0 2 2400 AKQ
FHC 88.95 71.45 80.2 +1.1 97.8 19 61.2 3 15 0 0 0 72% 32 232° 11 3.1 202° 2400 AKQ
POR 87.3 69.2 78.2 -1.6 95 9 58 3 11 0 0 0 74% 31 NE 27 3.0 045° 9 0 0 0 0 39% 2400 AKQ
CTR 89.0 64.8 75.4 -2.5 98.2 9 53.8 2 16 0 0 0 75% 30 SW 17 0.1 ESE 0 0 0 0 0 55% 2400 AKQ
MEC 1700 AKQ
RIC 89.9 67.5 78.7 +0.8 98 19 59 2,3 17 0 0 0 62% 56 310° 19 6.2 8 0 0 0 0 2400 AKQ
ROA 85.5 65.8 75.7 -0.5 94 9 58 22 8 0 0 0 63% 43 050° 10 5.6 6 0 0 0 0 2400 AKQ
AKQ 2400 AKQ
WAL 84.3 68.1 76.2 -0.4 93 19 56 3 4 0 0 0 44 310° 19 8.0 2 0 0 0 2 2400 AKQ
WOO 81.2 64.2 72.7 -2.0 89 10 57 1 0 0 0 0 10 0 0 0 2 2400 LWX
WSH 86.2 62.5 74.4 -1.35 95 9 54 2 7 0 0 0 70% 13 E 16 0.8 N 4 0 0 0 0 2400 LWX |
STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 R2 S CWA
-----------------------------------------------------------------------------------------------------------
AVL 81.2 61.6 71.4 -1.6 89 9 54 23 0 0 0 0 % 55 160° 10 3.9 4 0 0 0 8 2400 GSP
MRH 84.6 71.5 78.1 88 7,11 61 4 0 0 0 0 36 320° 10 8.5 0 0 0 0 1 2400 MHX
CLT 87.5 65.9 76.7 -3.6 94 6 56 23 12 0 0 0 % 36 150° 9 4.8 6 0 0 0 1 2400 GSP
CON 90.0 64.1 77.0 -2.0 98.0 19 55.1 23 16 0 0 0 68% 34 W 11 2.2 SSW 8 0 0 0 0 2400 GSP
ECG 86.7 68.3 77.5 -2.3 94 19 58 3 9 0 0 0 72% 44 290° 11 7.3 10 0 0 0 5 2400 AKQ
FAY 91.0 69.5 80.2 97 10,19 61 22 18 0 0 0 % 45 260° 11 6.6 11 0 0 0 1 2400 RAH
GSO 86.9 67.1 77.0 -0.9 95 9 58 22 10 0 0 0 63% 38 250° 11 6.3 9 0 0 0 1 2400 RAH
HSE 84.5 73.3 78.9 -0.3 89 29 64 3 0 0 0 0 % 38 280° 10 8.0 0 0 0 0 0 2400 MHX
HKY 86.6 65.7 76.2 -1.5 95 19 59 23 12 0 0 0 37 240° 19 4.2 5 0 0 0 4 2400 GSP
LBT 91.4 69.0 80.2 +1.0 99 19 59 22,23 22 0 0 0 85 210° 7 5.2 7 0 0 0 3 2400 ILM
EWN 87.0 68.4 77.7 -2.6 94 19 58 4 7 0 0 0 % 51 320° 11 4.9 0 0 0 0 7 2400 MHX
RAL 89.6 62.7 76.2 -2.6 95 6,17, 52 22 10 0 0 0 15 4,5 4 0 0 0 0 2400 RAH
19,27
RDU 89.9 67.2 78.6 -0.2 98 9 58 22 15 0 0 0 65% 53 220° 28 5.7 7 0 0 0 1 2400 RAH
ROX 88.6 65.1 77.0 +0.6 96 9 55 22 15 0 0 0 71% 32 N 27 7 0 0 0 2 45% 2400 RAH
ILM 88.6 69.7 79.2 -2.0 98 19 59 4 11 0 0 0 68% 29 310° 20 6.2 8 0 0 0 1 29% 2400 ILM |
STN A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 R2 S CWA
-----------------------------------------------------------------------------------------------------------
AND 86.2 68.4 77.3 -2.4 92 6,19 64 4,5 8 0 0 0 42 230° 1 4.5 7 0 0 0 3 2400 GSP
CAE 89.1 69.7 79.4 -2.6 96 10,27 58 23 15 0 0 0 67% 75 160° 17 5.2 7 0 0 0 1 2400 CAE
CRE 87.0 71.3 79.2 -0.3 95 18 62 4,23 7 0 0 0 45 280° 11 7.1 3 0 0 0 0 2400 ILM
CHS 89.6 71.7 80.6 -1.1 96 10,11 62 23 16 0 0 0 38 180° 28 7.0 11 0 0 0 1 2400 CHS
FLO 89.0 69.7 79.4 -1.8 94 19,27 59 23 13 0 0 0 71 330° 7 5.2 5 0 0 0 5 2400 ILM
GSP 87.2 67.8 77.5 -1.3 95 19 62 23 11 0 0 0 % 43 280° 10 5.2 8 0 0 0 3 2400 GSP
OGB 88.8 69.2 79.0 95 11,19 59 23 14 0 0 0 54 270° 11 4.8 9 0 0 0 4 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 R2 S CWA
-----------------------------------------------------------------------------------------------------------
TRI 83.7 62.6 73.2 -1.0 94 9 54 21,23 2 0 0 0 41 270° 10 2.8 9 0 0 0 6 2400 MRX
DAV 71.5 54.4 63.0 82 7 46 2 2 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
-------------------------------------------------------------------------------------------------------
ANN 1.69 0.46 11 0.58 27-28 9 0 18.44 0.0 0.0 15.3 30.27 2,3 29.73 19 29.99 2400
BCB 2.83 -1.34 0.93 11 0.93 11 10 0 23.78 0.0 0.0 6.7 2400
BRI 2.33 -1.7 0.81 27 0.88 27-28 6 0 18.65 0.0 0.0 13.0 30.21 3 29.85 20 2400
CEN 1.85 -1.72 0.58 28 0.77 27,28 8 0 16.38 0.0 0.0 18.0 30.29 2 29.75 30.02 2400
CHT 2.87 -0.70 1.61 29 9 1 17.08 0.0 0.0 14.9 30.273 2 29.738 11 29.98 2400
CHO 0.89 -4.05 0.43 30 0.48 29-30 9 0 15.49 0.0 0.0 3.1 29.71 11 2400
DAN 3.96 -0.48 1.87 10 1.87 10 10 1 21.46 0.0 0.0 0.8 30.21 3 29.76 11 2400
DCA 2.40 -1.26 0.98 29 0.98 29 9 0 17.57 0.0 0.0 9.5 29.71 11 2400
IAD 1.75 -1.82 0.74 4 0.74 4 7 0 15.97 0.0 0.0 14.7 29.71 11 2400
FCH 2.95 0.77 29 0.91 10-11 7 0 20.02 0.0 0.0 11.0 2400
HAM 1.22 -3.64 0.82 29 0.82 29 7 0 13.87 0.0 0.0 30.26 3 29.73 12 29.98 2400
HDV 1.88 -1.79 1.20 4 9 1 17.29 0.0 0.0 14.8 30.22 2 29.65 11 2400
HER 1.17 -2.40 0.86 29 0.86 29 8 0 16.39 0.0 0.0 15.25 2400
LDY 0.67 -3.28 0.19 25 0.19 25 6 0 17.48 0.0 0.0 3.8 30.27 2,3 29.77 11 30.00 2400
LYH 7.19 +2.80 2.59 17 2.59 17 9 4 26.00 0.0 0.0 3.2 30.25 2 29.78 19 2400
NEW 4.23 +0.75 0.98 17 0.98 17 21.58 0.0 0.0 30.50 2 30.10 11, 1700
19,20
NPN 3.67 1.26 29 2.16 29-30 9 2 21.32 0.0 0.0 1.8 30.19 3 29.64 11 2400
NOR 3.58 -1.61 1.43 30 13 1 19.06 0.0 0.0 0.1 2400
ORF 4.77 -0.40 1.88 28 2.51 27-28 11 2 19.73 0.0 0.0 0.1 30.16 15 29.71 11 2400
FHC 4.09 -1.08 1.50 30 1.82 29-30 10 1 17.67 0.0 0.0 T 30.242 3 28.712 11 29.975 2400
POR 6.19 +0.85 1.47 30 2.03 29-30 12 2 20.88 0.0 0.0 0.4 30.24 3 29.71 11 29.974 2400
CTR 5.18 +0.72 1.17 7 1.36 29-30 10 1 24.31 0.0 0.0 2.1 30.24 3 29.72 11 29.974 2400
MEC through June 2007 -> 21.98 0.0 0.0 1.8 1700
RIC 1.69 -2.98 0.57 13 0.57 13 7 0 22.40 0.0 0.0 1.3 30.19 25 29.73 11 2400
ROA 3.22 -0.78 0.84 17 0.87 10-11 9 0 18.99 0.0 0.0 5.6 30.24 3 29.79 19 2400
AKQ 18.87 0.0 0.0 0.5 2400
WAL 2.62 -0.94 1.92 30 1.92 30 7 1 20.54 0.0 0.0 5.1 30.17 25 29.69 11 2400
WOO 3.01 -1.14 0.80 5-6 11 0 19.11 0.0 0.0 29.7 30.42 2 30.06 11 0800
WSH 1.80 -2.52 0.79 16 0.79 16 9-0 20.96 0.0 0.0 19.4 30.32 26 29.82 11 2400 |
STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
-------------------------------------------------------------------------------------------------------
AVL 4.85 +0.98 1.22 9 2.10 9-10 15 1 19.58 0.0 0.0 3.9 29.82 29 2400
MRH 4.80 1.15 13 1.15 13 15 1 18.83 0.0 0.0 0.0 30.25 3 29.79 20 2400
CLT 2.04 -1.75 0.96 9 0.96 9 8 0 15.48 0.0 0.0 1.0 30.21 3 29.80 29 2400
CON 1.18 -3.42 0.30 29 0.38 28-29 5 0 17.41 0.0 0.0 3.2 30.16 23 29.74 11 29.97 2400
ECG 1.32 -3.63 0.58 11 0.58 10-11 10 0 15.26 0.0 0.0 1.0 30.16 25 29.74 11 2400
FAY 1.57 1.03 18 1.03 18 7 1 18.15 29.78 11 2400
GSO 2.38 -2.06 0.51 23 0.51 23 12 0 18.59 0.0 0.0 0.8 29.78 11 2400
HSE 1.28 -3.67 0.55 1 0.62 30-1 8 0 18.63 0.0 0.0 0.0 30.25 3 29.81 20 2400
HKY 1.06 -3.11 0.59 10 0.61 10-11 7 0 14.94 0.0 0.0 T 30.19 3 29.78 28 2400
LBT 0.21 -5.40 0.18 25 0.18 25 2 0 11.75 0.0 0.0 30.23 3 29.80 29 2400
EWN 7.94 +1.12 1.44 20 1.46 20-21 16 2 27.73 0.0 0.0 0.0 30.25 3 29.81 20 2400
RDU 4.94 +0.65 2.05 17 2.13 17-18 7 2 23.09 0.0 0.0 1.6 29.78 11 2400
RAL 4.28 -0.01 2.45 26-27 5 1 22.63 0.0 0.0 1.4 1900
ROX 2.54 -1.23 0.65 22 0.65 22 8 21.59 0.0 0.0 0.5 30.30 3 29.84 11 30.08 2200
ILM 5.44 -2.18 2.14 28 2.14 28 15 2 20.05 0.0 0.0 0.0 30.23 3 29.80 20 2400 |
STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
-------------------------------------------------------------------------------------------------------
AND 4.16 +0.53 1.41 15 1.41 15 8 1 23.08 0.0 0.0 T 30.19 3 29.78 28 2400 2400
CAE 2.26 -3.28 0.56 27 0.83 27-28 11 0 19.87 0.0 0.0 0.2 30.20 4 29.79 29 2400
CRE 2.64 -2.55 1.07 14 1.07 14 10 1 16.48 30.22 4 29.80 20 2400
CHS 6.17 +0.04 1.80 30 1.80 3 12 2 19.40 0.0 0.0 T 30.19 4 29.79 30 2400
FLO 2.41 -2.87 1.52 9 1.90 9-10 10 1 22.10 0.0 0.0 30.21 3 29.80 29 2400
GSP 2.99 -1.66 1.13 2 1.13 2 9 1 20.37 0.0 0.0 1.5 30.21 3 29.80 29 2400
OGB 6.06 1.81 2 1.81 2 13 2 25.98 30.20 4 29.79 29 2400 |
STN T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 S
-------------------------------------------------------------------------------------------------------
TRI 3.97 -0.24 0.68 24 1.10 23-24 15 0 15.22 0.0 0.0 2.8 30.19 3 29.82 29 2400
DAV 7.10 20.4 6 14 1 42.29 0.0 0.0 193.6 0700 |
Virginia:
Annandale - Lowell sends these additional notes: " July was the driest July in my records with only 1.69 inches precipitation and a -2.63 inch departure and a little below average in warmth. The previous driest July was in 1985 when 1.77 inches was recorded. The maximum one-day rain was only 0.46 inches which was the least for any of the past 27 Julys. It was the first July without at least one rain of an inch or more since 1999. July's mean average temperature (77.7°F) was only a - 0.1°F departure from average but was coolest since 2004. It was also the fourteenth coolest on record in the last 27 years. July's lowest maximum temperature was 80°F which is the second highest for any July since 1995 when the record of 82°F was set. July's average temperature range was 21.0°F the most since 1988 and only four years have been greater in the last 27 years. The 28°F daily temperature range on the 8th and 9th was the most for July since 2002. The lowest dew point for July was 43°øF on the first at 1357, which is the lowest for July since dew point records were started in 2004. The maximum dew point for the month was also the lowest since 2004. The monthly average relative humidity was 65% and the lowest since 1993 when 64% was the average. The maximum gust of 27 mph from the west on the 15th at 2011 was the least for the maximum monthly wind gust recorded for July since 2004. But the total wind run for the month was 722.4 miles the second highest since wind run records were started in 2002. There were only 2 daily records set this month the least for any month since July 2004! July DAILY Records Tied or Broken- (27-Years of records): LOW maximum temperature: July 5 and LOW range temperature: July 5. " [ - - ]
Bridgewater - " The temperature was 1 degree below normal while the rainfall was 1.7 inches below normal. There were 3 thunderstorms during the month. The precipitation for the year is 18.65 inches which is 2.82 inches below normal. Bridgewater wasn't as dry as some other places. We got just enough rain to get by without too much damage to gardens and farm crops. However, we could use more. " - [ - - ] - notes from Clayton
Centreville - " Don't know how many different ways there are to write about nothing, but I'm willing to give it a try yet again. At the top of the list for excitement was our gust of wind on July 4th. A blast of 28 miles per hour from the NNW at 17:44 was just in time to clear the remnants of a lame excuse of a rain shower in time for the holiday festivities that followed. After that however, all the celebrations were downhill for the rest of the month. A maximum temperature of 97°on July 9th was one of the nine days of ninety degrees or greater, but was a far cry from the 103° record set in 1998. The average monthly high was just 0.1° above the 86.9° published average monthly high temperature while the monthly average low came in at a mild 3.4° over the 63.2° we should expect. Five days this month logged average lows of 67° with July 6th managing to be a fairly `normal' day when the average high, the average low, as well as (within a 0.01") the monthly average barometric pressure all happened within shouting distance of one another on that date. Except for May, July recorded the second lowest monthly rainfall amount with 1.85", or 52% of the monthly average of 3.57" being accumulated. July logged 42% of its total precipitation on the 27th and 28th with the final tip yielding 0.77". Setting aside all these shattered precipitation records of July, there were a total of eight days with rainfall of 0.01" or more, but the yearly lack of rain caused water deficits to continue t o increase. This year to date, 16.38" has fallen placing us 8.74" below, or 65% of our 25.12" average for this time of the year. " - [ + - ] - report from Paul
Chantilly - Russ Topping sends these notes: " Another dryer than average month brings us deeper into drought conditions. Precipitation was 0.7" below normal, mainly due to a slow moving afternoon thunderstorm that wandered close enough to us on the 29th. The rain relief has been very scattered, provided only by thunderstorms. Temperatures averaged 0.9 degrees below normal, at my recording station. *Please note, anemometer is currently partially obstructed " - [ - - ]
Falls Church - Windie reports: " A dry month with average temperatures. Worst drought in quite a few years... my lawn as well as many in my neighborhood is starting to brown. " - [ M - ]
Hampton - Dave reports these additional notes: " July continued the very dry tend this summer. I have noticed an unusual number of cool, sunny, windy days so far this summer, although in recent weeks, that has not been the case. July would have been the driest month ever at Langley AFB and at my Hampton station if it not been for a thunderstorm on July 29 that produced 0.82 inches of rain. Even with this, it is still one of the 5 driest July's at both locations. Records for July: Record Low of 58 on 7/03 " - [ -/+ - ]
Herndon - Randy adds: " JULY WAS ABOUT AVERAGE TEMPERATURE WISE, BUT ANOTHER DRY MONTH. THE TEMPERATURES WERE A LITTLE MORE STEADY WITH PERIODS OF SERVERAL DAYS OF HIGHS OVER 90 FOLLOWED BY SLIGHT COOLING TO THE LOW TO MID 80S. OVERALL WE ENDED THE MONTH 0.5 DEGREES BELOW NORMAL WITH TEMPS EXCEEDING 90 DEGREES TWELVE TIMES. LIKE THE TEMPERATURES, THE PRECIPITATION OCCURRED SPORADICALLY THROUGH THE MONTH. ALTHOUGH THERE WERE MANY DAYS WITH THUNDERSTORMS IN THE AREA; MOST OF THEM AGAIN WENT AROUND MY SITE. I DID RECORD MANY DAYS WITH THUNDERSTORM ACTIVITY, BUT ONLY ONE, ON THE 4TH , PRODUCED ANY SIGNIFICANT RAIN (1.2 INCHES). AT THE END OF THE MONTH WE HAD SEVERAL DAYS WITH AFTERNOON AND EVENING THUNDERSTORMS IN THE AREA, BUT THEY ONLY PRODUCED A TOTAL OF ABOUT ½ INCH THROUGH THE PERIOD. THE MONTH ENDED UP AT ONLY 1.88 INCHES OF RAIN WHICH WAS ABOUT 1.8 INCHES BELOW NORMAL MAKING IT THE THIRD DRIEST JULY IN THE PAST 14 YEARS OF MEASUREMENT AT THIS SITE. THE TOTAL PRECIPITATION FOR 2007 IS NOW ONLY 17.29 INCHES; OVER 8.7 INCHES BELOW. THIS MONTH I HAVE ADDED A DAVIS VANTAGE PRO WEATHER SYSTEM TO MY WEATHER SUITE. SO I AM NOW SUBMITTING NEW DATA ON WINDS, HUMIDITY, AND BAROMETRIC PRESSURE. " - [ - - ]
Ladysmith - Danny sends these additional notes: " JULY BROUGHT SEVERAL STRETCHES OF WELL BELOW NORMAL TEMPERATURES AND VERY LITTLE PRECIPITATION. YEAR-TO-DATE RAINFALL IS NOW NEARLY 7" BELOW NORMAL. " - [ - - ]
Portsmouth - " The warm, drier than normal conditions of May and June reversed this month. A cooler than normal July here, partly due to increased NE flow as high pressure settled south along the Mid-Atlantic from New England and partly due to the above normal rainfall. The average temp was 1.6° below the norm while rainfall was 116% of the normal or +0.85". Frontal passages occurred at 4 times: on the 1st, the 6th, 12th, and on the 20th. Station records included: 22nd - TEMPERATURE - Minimum 63° [previous 65° 1982] 30th - RAINFALL - 1.47" [previous 1.17" 1991] 30th - WIND GUST - 30 MPH [previous 23 MPH 1987]. At July's end, yearly rainfall was only 75% of the norm or -6.89" and steadily increasing despite July's excess. Quite a bit of haze was noted during the month; but after all, it is summer. The warm, drier than normal conditions of May and June reversed this month. " [ - + ]
North Carolina:
Concord - Tom notes: " JULY CONTINUED TO BE TO BE A VERY DRY MONTH AT CON WITH ONLY 1.18" OF RAIN RECORDED. I AM NOW AT A DEFICIT FOR 2007 OF 11.26" OF RAIN. ISOLATED AREAS AGAIN RECEIVED TREMENDOUS DOWNPOURS IN EXCESS OF 6"+ VERY CLOSE TO MY LOCATION; IT SEEMS LIKE THE SAME AREAS IN CABARRUS AND CHARLOTTE/MECKLENBURG RECEIVE HEAVY AMOUNTS OF RAIN OVER AND OVER THE PAST COUPLE OF MONTHS WHILE THE CON STATION IS LEFT WITH LITTLE OR NO RAINFALL AND KEEPS SPIRALING INTO A HUGE DEFICIT. TEMPERATURES WERE SIGNIFICANTICANTLY COOLER ON AVERAGE WITH SEVERAL M/C DAYS BUT THE RAIN STAYED AWAY FOR THE MOST PART. " - [ - - ]
Greensboro - NWS Raleigh (RAH) reports: " The July 2007 North Carolina Weather Review is located here: http://www.erh.noaa.gov/rah/ncsummaries/MonthlySummary.Jul.2007.doc [when available]. " - [ M M ]
Raleigh - Bob reports: " The average daily temperature was 2.6 degrees below normal while precipitation was only 0.01" below normal. The major weather event of the month was 2.45" of rain that fell during a 30-minute period on July 27th. Data for the month is incomplete due to instrument and power failures. " - [ - - ]
Raleigh - NWS Raleigh (RAH) reports: " A RECORD DAILY RAINFALL OF 2.05 INCHES WAS SET ON 07/17. The July 2007 North Carolina Weather Review is located here: http://www.erh.noaa.gov/rah/ncsummaries/MonthlySummary.Jul.2007.doc [when available]. " - [ M M ]
NEARBY CITIES:
Tri-Cities - NWS Morristown, TN (MRX) reports: " The monthly average temperature at Tri-Cities was 73.2 degrees, which was 1.0 degree below normal. It tied with 1976, 1985, and 2001 as the 8th coldest July on record at Tri-Cities. A daily record low temperature was broken on the 21st when the morning low dipped to 54 degrees, breaking the previous record of 56 degrees set back in 1951. The coldest July at Tri-Cities was back in 1967, when the average temperature was 69.8 degrees. Tri-Cities received 3.97 inches of rain in July, which was 0.24 inches below normal. It ranked in the middle third of 70 years of observations at Tri-Cities. Measurable precipitation fell on fifteen days, and six of those days had more than one-quarter of an inch of rain. The heaviest rain fell on the 24th, when 0.68 inches was received. The wettest July at Tri-Cities was back in 1949, when only 9.73 inches 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 2006-2007 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 |
| R2 sky cover percentage | 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 |
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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 | |
| ANN Annandale, VA 1 3/4 ENE - Lowell Koontz 8/31/79 wwkoontz@verizon.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 | |
| BRI Bridgewater, VA Clayton Towers Ctowers@rica.net | WOO Woodstock, VA 5NW Lauck Walton - 12/1/85 jwalton@shentel.net |
| CEN Centreville, VA Paul Bassett 1985, 38° 50.9788' N LAT. 77° 25.6374' W LON. | Elevation 324' | m.psb@verizon.net | LDY Ladysmith, VA Danny Jessee 2003 danny@dannyjessee.com |
| WAL Wallops Island, VA 37° 56'26" N 75° 27'47" W Wallops Flight Facility Airport | CHO Charlottesville, VA Charlottesville-Albemarle Airport ASOS (Rappahannock County) 38-08-18N 078-27-21W 192M | AVL Asheville, NC Asheville Regional Airport 35-25-55N 082-32-15W 670M |
| 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 | CON Concord, NC, Tom Myers, Lat 35.34525 North and Longitude is -80.56313; 18 miles from Downtown Charlotte. |
| 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 |
| HER Herndon, VA R.M. Beall P- 10/76 T- 1/91 beall47@earthlink.net | 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 |
| EWN New Bern, NC Craven County Regional Airport 36-04-03N 077-02-50W 3M | |
| LXI Lexington, VA Scott M. Lancey, - 06/96 weather@midatlanticwx.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 |