The Atlantic Coast Observer Network - Virginia/North Carolina/South Carolina

http://www.genserva.com/acon

SUMMARY OF CLIMATOLOGICAL DATA 


DECEMBER 2016


...TEMPERATURES...

VIRGINIA & NORTH CAROLINA: ABOVE NORMAL
SOUTH CAROLINA: SEVERAL DEGREES ABOVE NORMAL

...RAINFALL...

VIRGINIA: SLIGHTLY BELOW NORMAL
NORTH CAROLINA: NEAR NORMAL
SOUTH CAROLINA: SLIGHTLY ABOVE NORMAL

  • SO, HOW HOT WAS IT, EARTH?    2016 was the hottest year in 137 years of record keeping and the third year in a row to take the number one slot, a mark of how much the world has warmed over the last century because of human activities. Read the article by The Associated Press via the Sarasota (FL) Herald Tribune with a click here!

  • U.S. 24-HOUR STATE AND CITY SNOWFALL RECORDS (12/20/16)   "Winter has descended with a vengeance for much of the nation this December (2016)". Here's an interesting blog post from Christopher C. Burt, posted at WunderBlog at the Weather Underground. Click here!

  • GOES-16 AMERICA'S NEWEST AND MOST ADVANCED WEATHER SATELLITE    Ongoing updates from NOAA with a click here!

  • DECEMBER 2016 NOAA NEWS    For articles posted by NOAA for December 2016, click here!


  • TRACK DECEMBER 2016 NWS STORM REPORTS FOR YOUR STATE   The Storm Prediction Center archives reports of severe weather - tornado, wind, hail - to the National Weather Service. To view these reports, start here with a click to December 2016. While visiting, you will learn how to navigate the daily reports using forward and backward navigation arrows ( < > ) or by replacing the date in your browser's URL line with a date you wish to view. For starters, click here for December 2016 reports: http://www.spc.noaa.gov/climo/reports/161201_rpts.html

  • NWS AKQ Monthly Rainfall Analysis      From NWS Wakefield compiled from ASOS...COOP...RAWS REPORTS | Monthly Rainfall Analysis - http://www.weather.gov/akq/MONTHLY_RAINFALL_ANALYSIS -




  •    DROUGHT MONITOR       Information on drought can be found at NOAA's Drought Information Center (http://droughtmonitor.unl.edu/)

  • 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.


  • ACON VA/NC/SC Station Extremes - DECEMBER 2016

    State
    Maximum Temperature
    Minimum
    Temperature
    Warmest
    Average
    Temperature
    Coldest
    Average
    Temperature
    Maximum
    Precipitation
    Minimum
    Precipitation
    Virginia
    79
    Norfolk (ORF)
    9
    Dulles
    45.9
    Norfolk (FHC)
    36.3
    Blacksburg
    3.97"
    Wallops Island
    1.62"
    Danville
    North Carolina
    81
    New Bern
    17
    Asheville
    52.0
    Cape Hatteras
    42.0
    Asheville
    5.45"
    Beaufort
    1.70"
    Greensboro
    South Carolina
    82
    Columbia
    22
    Greenville-Spartanburg
    55.6
    Downtown Charleston (CXM)
    45.6
    Greenville-Spartanburg
    4.78"
    Charleston
    2.01"
    Columbia


    ( For an explanation of column headers in the following tables,
    please note the column denotations table below. )


    TEMPERATURE / WINDS/ ELEMENTS FOLLOWED BY
    PRECIPITATION / BAROMETRIC PRESSURE

    VIRGINIA | NORTH CAROLINA | SOUTH CAROLINA
    [Reminder: All NWS DATA HEREIN IS NOT OFFICIAL]
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    BCB 44.7 27.9 36.3 2.5 59 18,27 10 15,16 0 3 23 0 71% 35 30 29 5.3 0 0 1 1 3 LWX 2400
    CHT 47.9 30.9 39.4 2.8 69.4 27 12 16 0 1 15 0 70% 21 158,203 27,31 0.4 360 0 0 1 0 1 LWX 2400
    CHO 50.6 31.6 41.1 3.3 69 27 15 16 0 1 16 0 33 310 29 5.1 0 0 1 0 3 LWX 2400
    DAN 51.2 30.9 41.0 0.9 71 18 15 16 0 1 16 0 68% 38 300 29 5.5 0 0 0 0 0 RNK 2400
    DCA 49.2 34.4 41.8 2.1 68 27 17 16 0 1 12 0 61% 54 330 18 9.2 0 0 1 0 1 LWX 2400
    IAD 46.9 29.5 38.2 1.6 67 27 9 16 0 1 22 0 61% 50 300 15 8.2 0 0 1 1 0 LWX 2400
    GAV 51.15 31.55 41.35 -1.60 68 1 13 16 0 1 16 0 67% 33 23 18 0 0 1 1 0 AKQ 2400
    HDV 47.6 30.5 39.0 0.2 68 27 11 16 0 1 18 0 68% 28 225 18 225 0 0 1 1 0 LWX 2400
    LYH 48.5 29.0 38.7 1.1 65 27 13 16 0 1 20 0 37 200 18 4.9 0 0 1 0 7 RNK 2400
    NPN 52.0 34.9 43.4 -0.2 77.4 18 17.4 16 0 0 11 0 33 180 18 3.2 340 0 0 0 0 0 AKQ 2400
    FHC 52.3 39.5 45.9 1.8 78 18 23 16 0 0 6 0 69% 38 203 18 6.0 360 AKQ 2400
    NOR 51.2 36.0 43.6 -0.3 78 18 20 16 0 0 9 0 43 315 15 0 0 0 0 2 AKQ 2400
    ORF 52.6 37.9 45.2 1.1 79 18 22 16 0 0 7 0 67% 40 220 18 8.4 0 0 0 0 4 AKQ 2400
    POR 52.3 37.0 44.6 -0.1 78 18 20 16 0 0 8 0 77% 39 225 18 7.5 45 0 0 0 0 2 AKQ 2400
    MEC 51.09 33.74 42.67 69 2 15 16 0 1 10 0 56% 22 29 7.3 0 0 0 0 1 AKQ 2400
    CTR 50.7 30.6 40.7 0.3 68.8 27 12.9 16 0 1 18 0 74% 21 315 29 0.2 240 0 0 0 0 0 AKQ 2400
    RIC 50.6 31.7 41.1 0.1 70 18 15 16 0 1 14 0 67% 45 310 29 7.3 0 0 1 0 2 AKQ 2400
    ROA 48.5 32.1 40.3 1.3 66 27 14 16 0 1 14 0 62% 54 310 30 7.2 0 0 1 0 0 RNK 2400
    SVC 45.9 29.2 37.6 -0.6 62 18,27 10 16 0 0 20 0 0 0 1 2 3 LWX 2400
    WAL 50.6 32.7 41.6 1.1 72 18 18 15,16 0 1 14 0 54 50 6 8.0 0 0 0 0 4 AKQ 2400
    WSH 46.6 31.2 38.9 1.08 68.0 27 14.4 16 0 1 15 0 70% 19 68 29 0.8 68 0 0 1 1 0 LWX 2400
    Averages 49.63 32.51 41.07 0.92 70.0 15.1 0.0 0.8 14.5 0.0 67.2% 36.9 5.6 0.0 0.0 0.6 0.4 1.7
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    AVL 51.1 32.8 42.0 2.6 65 24,25 17 10 0 0 14 0 63% 48 270 29 8.5 0 0 0 0 1 GSP 2400
    MRH 58.9 41.8 50.4 2.0 72 1 27 11,16 0 0 5 0 42 300 29 9.4 0 0 0 0 5 MHX 2400
    CLT 54.5 34.8 44.6 2.2 72 18 18 10 0 1 12 0 63% 37 310 29 5.9 1 0 0 0 2 GSP 2400
    ECG 54.9 35.5 45.2 0.8 79 18 22 10,16 0 0 9 0 73% 38 270 29 8.9 0 0 0 0 3 AKQ 2400
    FAY 56.5 37.1 46.8 1.4 77 18 22 16 0 0 9 0 69% 36 320 29 6.7 1 0 0 0 3 RAH 2400
    GSO 51.7 33.6 42.7 1.4 72 18 18 16 0 1 12 0 66% 45 300 30 7.0 0 0 1 0 0 RAH 2400
    HSE 58.8 45.1 52.0 2.7 72 1,27 29 16 0 0 3 0 73% 41 190 17 8.9 1 0 0 0 3 MHX 2400
    HKY 51.5 34.0 42.7 1.6 66 27 18 10 0 1 11 0 40 290 29 4.4 0 0 0 0 5 GSP 2400
    LBT 57.2 36.7 46.9 0.7 77 18 23 11 0 0 10 0 74% 38 320 29 5.9 1 0 0 0 4 ILM 2400
    EWN 57.5 37.3 47.4 0.6 81 18 21 11 0 0 9 0 73% 40 20 18 6.6 1 0 0 0 4 MHX 2400
    RDU 54.3 34.8 44.5 1.0 75 18 19 16 0 1 11 0 65% 37 320 29 5.2 0 0 2 0 2 RAH 2400
    RAL 54.0 33.9 44.0 0.5 74 18 19 16 0 0 12 0 26 18 0 0 1 0 0 RAH 2400
    ILM 60.3 39.1 49.7 1.1 78 18 23 11,16 0 0 9 0 77% 36 320 29 7.4 2 0 0 0 2 ILM 2400
    Averages 55.48 36.65 46.07 1.43 73.8 21.2 0.0 0.3 9.7 0.0 69.6% 38.8 7.1 0.5 0.0 0.3 0.0 2.6
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    AND 55.4 37.7 46.5 2.8 72 25 24 10 0 0 9 0 44 290 29 5.7 1 0 0 0 6 GSP 2400
    CAE 59.6 39.9 49.7 3.0 82 18 24 10 0 0 7 0 68% 39 280 29 5.1 1 0 0 0 2 CAE 2400
    CRE 60.1 41.2 50.7 1.9 74 24 27 11,16 0 0 7 0 74% 38 340 29 6.4 1 0 0 0 9 ILM 2400
    CHS 65.1 44.5 54.8 4.0 79 18 30 31 0 0 4 0 34 320 29 6.9 1 0 0 0 5 CHS 2400
    CXM 63.1 48.1 55.6 3.0 76 24 35 16 0 0 0 0 26 90 6 6.6 CHS 2400
    FLO 58.9 39.0 48.9 1.8 79 18 25 11,16 0 0 8 0 70% 33 300 29 6.5 1 0 0 0 4 ILM 2400
    GSP 54.6 36.6 45.6 1.6 71 18 22 10 0 0 10 0 65% 43 280 29 5.7 1 0 0 0 2 GSP 2400
    OGB 59.5 41.3 50.4 2.5 79 18 27 11 0 0 7 0 39 310 29 5.5 0 0 0 0 6 CAE 2400
    Averages 59.54 41.04 50.28 2.6 76.5 26.8 0.0 0.0 6.5 0.0 69.3% 37.0 6.1 0.9 0.0 0.0 0.0 4.9
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    STATION A B C C1 D E F G H I J K K1 L M N N1 N2 O P Q R R1 CWA TIME RECORDED
    TRI 48.9 30.4 39.7 1.9 68 26 14 10 0 0 18 0 42 280 30 4.3 0 0 0 0 9 MRX 2400
    DAV 35.3 20.0 27.6 56 27 -5 16 0 10 27 2 PBX 2400
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    BCB 3.09 0.14 1.32 6 1.32 6 13 1 42.04 0.7 30 7 0 0.7 0.7 RNK 2400
    CHT 2.37 -0.59 1.07 6 1.07 6 9 1 35.75 T (ZR) 17 0 0 T T 30.661 19 29.541 1 30.163 LWX 2400
    CHO 1.72 -1.43 0.88 6 0.88 6 9 0 33.58 29.550 1 LWX 2400
    DAN 1.62 -1.65 0.82 6 0.82 5-6 7 0 46.83 0.0 0.0 30.640 19 29.650 1 30.145 RNK 2400
    DCA 2.61 -0.44 1.06 6 1.03 6 9 1 31.69 T 17,30 2 0 T T 29.550 1 LWX 2400
    IAD 2.36 -0.60 1.03 6 1.03 6 9 1 35.52 T 4,6,17,29,30 5 0 T T 29.550 1 LWX 2400
    GAV 3.11 -1.61 1.53 6 1.53 6 9 1 47.73 T 1 0 T T 30.700 19 29.590 1 30.200 AKQ 2400
    HDV 2.53 -0.87 1.09 6 9 1 38.65 T 30 1 0 T T 30.720 19 29.530 1 30.125 AKQ 2400
    LYH 3.10 -0.14 1.25 6 1.25 6 9 1 40.89 0.0 0.0 30.680 19 29.660 1 30.170 RNK 2400
    NPN 2.96 -1.08 1.45 6 1.45 6 9 1 63.12 0.0 0.0 30.650 19 29.550 6 30.100 AKQ 2400
    FHC 2.38 -0.88 0.95 6 1.43 5-6 10 0 61.31 0.0 0.0 30.655 19 29.555 6 30.168 AKQ 2400
    NOR 2.74 -0.71 1.08 6 1.08 6 10 1 75.02 0.0 0.0 AKQ 2400
    ORF 2.54 -0.72 1.12 6 1.12 6 11 1 68.86 0.0 0.0 30.660 19 29.540 6 30.100 AKQ 2400
    POR 2.85 -0.49 0.84 6 0.84 6 11 0 67.02 0.0 0.0 30.651 19 29.538 6 30.164 AKQ 2400
    MEC 3.06 0.63 7 1.24 6-7 8 0 53.72 0.0 0.0 AKQ 2400
    CTR 2.84 -1.25 1.09 6 1.09 6 12 1 52.91 0.0 0.0 30.650 19 29.550 1 30.141 AKQ 2400
    RIC 2.80 -0.46 1.22 6 1.11 6 8 1 52.75 0.0 0.0 30.710 19 29.600 1 30.155 AKQ 2400
    ROA 2.79 -0.15 1.61 6 1.62 5-6 9 1 43.81 T 29,30 2 0 T T 30.680 19 29.690 1 30.185 RNK 2400
    SVC 3.02 -0.39 1.13 6 1.16 6 9 1 40.11 0.1 (ZR) 17 0 0.1 0.1 LWX 2400
    WAL 3.97 0.54 2.29 6 2.30 6-7 10 1 56.39 0.0 0.0 30.690 19 29.510 6 30.100 AKQ 2400
    WSH 1.87 -1.61 0.88 6 0.88 6 9 0 40.58 0.1 30 2 0 0.1 0.1 30.770 19 29.610 1 30.190 LWX 2400
    Averages 2.68 -0.72 1.16 1.21 9.5 0.7 48.97 T T 30.680 29.574 30.150
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    AVL 2.31 -1.28 1.11 4 1.11 4 9 1 33.40 0.0 0.0 30.570 19 29.710 6 30.140 GSP 2400
    MRH 5.45 1.93 1.67 5 1.77 4-5 13 1 57.16 0.0 0.0 30.560 26 29.610 6 30.085 MHX 2400
    CLT 2.91 -0.34 1.08 29 1.08 29 7 1 32.70 T 16 1 0 T T 30.650 19 29.730 6 30.190 GSP 2400
    ECG 2.67 0.11 0.49 5 0.71 18-19 12 0 54.92 T 19 1 0 T T 30.650 19 29.530 6 30.090 AKQ 2400
    FAY 2.64 -0.01 0.50 29 0.75 18-19 9 0 56.25 29.680 1 RAH 2400
    GSO 1.70 -1.28 0.70 6 0.75 5-6 8 0 39.65 0.0 0.0 29.680 1 RAH 2400
    HSE 5.01 0.74 1.17 5 1.23 4-5 12 1 73.25 0.0 0.0 29.580 6 MHX 2400
    HKY 2.29 -1.41 0.95 4 0.95 4 7 0 34.69 30.570 19 29.690 1 30.130 GSP 2400
    LBT 4.30 1.41 0.82 29 1.27 18-19 11 0 61.55 30.580 19 29.640 6 30.110 ILM 2400
    EWN 3.50 0.10 0.84 5 1.05 4-5 12 0 70.45 0.0 0.0 30.590 19 29.600 6 30.095 MHX 2400
    RDU 2.19 -0.88 0.56 6 0.70 4-5 12 0 51.25 0.0 0.0 29.680 1 RAH 2400
    RAL 2.12 -0.95 0.50 5-6 11 0 52.64 T (ZR) 17 0 0 T T 30.630 19 29.800 6 30.215 RAH 2400
    ILM 5.36 1.74 1.14 6 1.28 5-6 13 3 71.64 0.0 0.0 30.570 10 29.610 6 30.090 ILM 2400
    Averages 3.27 -0.01 0.92 1.01 10.5 0.5 53.04 T T 30.597 29.657 30.127
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    AND 2.04 2.07 0.76 4 0.76 4 11 0 24.44 30.580 10 29.750 6 30.165 GSP 2400
    CAE 2.01 -0.73 0.98 29 0.98 29 3 0 36.20 0.0 0.0 30.430 7 29.730 30 30.080 CAE 2400
    CRE 2.62 -0.84 0.78 26 0.79 26-27 9 0 56.23 30.570 10 29.630 6 30.100 ILM 2400
    CHS 4.78 1.67 2.58 6 3.92 5-6 12 2 59.63 0.0 0.0 30.560 10 29.650 6 30.105 CHS 2400
    CXM 2.95 0.35 1.58 6 1.58 6 10 1 45.26 29.640 6 CHS 2400
    FLO 4.57 1.80 1.26 5 1.48 18-19 12 1 60.95 30.590 10 29.650 6 30.120 ILM 2400
    GSP 2.69 -1.42 1.16 29 1.16 29 9 1 34.43 0.0 0.0 30.570 19 29.730 6 30.150 GSP 2400
    OGB 4.40 1.08 1.16 5 1.94 5-6 11 2 41.78 30.580 10 29.670 6 30.125 CAE 2400
    Averages 3.26 0.50 1.28 1.58 9.6 0.9 44.87 0.0 0.0 30.554 29.681 30.121
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED
    TRI 5.36 1.99 1.04 6 1.18 12-13 11 2 35.67 T 9,30 2 0 T T 30.610 19 29.650 6 30.130 MRX 2400
    DAV 7.76 1.11 7 22 1 54.46 5.3 30 16 5 18.5 30.7 PBX 2400
    STATION T T1 U U1 V V1 W X Y Z 1 2 3 4 5 6 6A 7 7A 8 CWA TIME RECORDED


    Virginia:

    Arlington/Washington, D.C. -from NWS LWX, Sterling, VA: " THE MONTHLY AVERAGE TEMPERATURE WAS ABOVE NORMAL. MONTHLY PRECIPITATION WAS SLIGHTLY BELOW NORMAL. SNOWFALL WAS BELOW NORMAL. LAST MONTH MARKED THE THIRD CONSECUTIVE DECEMBER WITHOUT MEASURABLE SNOWFALL. THIS IS THE ONLY TIME THREE DECEMBERS IN A ROW HAVE NOT HAD MEASURABLE SNOWFALL IN THE WASHINGTON DC AREA SINCE SNOWFALL RECORDS BEGAN IN 1884. LAST MONTH WAS ALSO THE SIXTH STRAIGHT DECEMBER TO RANK WARMER THAN NORMAL. HOWEVER...IT WAS THE FIRST SINCE 2011 TO NOT HAVE AT LEAST ONE DAY REACHING 70 DEGREES. CLIMATE RECORDS HAVE BEEN KEPT AT RONALD REAGAN NATIONAL AIRPORT SINCE AUGUST OF 1941. ADDITIONAL TEMPERATURE RECORDS FOR THE WASHINGTON DC AREA EXTEND BACK TO JANUARY OF 1872. PRECIPITATION RECORDS EXTEND BACK TO JANUARY OF 1871. SNOWFALL RECORDS BEGAN IN JANUARY OF 1884. " - [ + - ]

    Chantilly - from Russ Topping: " The December mean monthly temperature was above normal and precipitation was below normal. The mean monthly temperature was 39.4 (+2.8). The mean high temperature was 47.9 (+1.9) and the mean low temperature was 30.9 (+3.8). No temperature records were set or tied. December precipitation of 2.37 was 0.59 below normal. Measurable rainfall fell on 9 days. Maximum daily precipitation of 1.07 fell on the 6th, setting a new daily record. Dense fog was observed on the 24th. No trace of snow fell this month (-3.5) for the 3rd straight December, but freezing rain was observed on the 17th. Please note, my anemometer is currently partially obstructed from the North and East " - [ + - ]

    Dulles -from NWS LWX, Sterling, VA - " THE MONTHLY AVERAGE TEMPERATURE WAS SLIGHTLY ABOVE NORMAL. MONTHLY PRECIPITATION WAS SLIGHTLY BELOW NORMAL. SNOWFALL WAS BELOW NORMAL. LAST MONTH MARKED THE THIRD CONSECUTIVE DECEMBER WITHOUT MEASURABLE SNOWFALL. THIS IS THE ONLY TIME THREE DECEMBERS IN A ROW HAVE NOT HAD MEASURABLE SNOWFALL IN THE DULLES VA AREA SINCE SNOWFALL RECORDS BEGAN IN 1962. LAST MONTH WAS ALSO THE SIXTH STRAIGHT DECEMBER TO RANK WARMER THAN NORMAL. HOWEVER...IT WAS THE FIRST SINCE 2011 TO NOT HAVE AT LEAST ONE DAY REACHING 70 DEGREES. A RECORD DAILY MAXIMUM RAINFALL OF 1.03 INCHES WAS SET ON THE 6TH...BREAKING THE OLD RECORD OF 0.97 SET IN 2013. A RECORD DAILY LOW TEMPERATURE OF 9 DEGREES WAS SET ON THE 16TH...BREAKING THE OLD RECORD OF 10 SET IN 1989. CLIMATE RECORDS AT WASHINGTON DULLES INTERNATIONAL AIRPORT BEGAN IN NOVEMBER OF 1962. " - [ + - ]

    Seven Corners/Fairfax County - from member John Iekel: " DECEMBER 2016 OVERALL HAD NORMAL AVERAGE TEMPERATURES, AND SLIGHTLY BELOW NORMAL PRECIP. Check out John's year-end summary here: 2016 Seven Corners/Falls Church " - [ - - ]

    Herndon - from member Randy Ashby: " December was slightly above normal for temperature and below normal for precipitation. The temperatures ranged between a high of 68 and a low of 11 and was 0.2 degrees above normal. On the precipitation side, the month was 0.87 below normal, with 2.53 measured. We finished the year 7.43 below normal for precipitation. This was the 3rd driest year in the 22 years measuring at this site. We had our first snow sighting of the year on Dec 30 when we had a few snow flurries; there was no accumulation. " - [ + - ]

    Portsmouth - from Bill Trotter (POR): " The month's average temperature of 44.6 was 0.1 BELOW NORMAL. Precipitation (2.85") was BELOW NORMAL by 0.49" or 85% of the December average rainfall during the period from 1976 to 2015. At month's end, the average temperatures for 2016 included: High 70.9 (+1.3) Low 53.3 (+1.8) Average 62.1 (+1.5) At month's end, rainfall for the year totaled 67.02" (+16.61" or 133% of normal). 2016 WAS THE 5th WETTEST YEAR IN THE STATION DATABASE to 1976. The top five wettest years include: 1) 76.28" 1999 2) 70.43" 2009 3) 69.00" 2014 4) 67.52" 2012 5) 67.02" 2016. Frontal passages occurred on the 6th, 8th, 12th (WARMFROPA), 14th, 15th (arctic), 16-17th (WARMFROPA), 18th, 22nd, 24th, 27th (WARMFROPA), 28th, and 29th. Frost occurred on the 2nd (light on car tops), 10th (car tops), 11th, 16th (few rooftops only), 20th (pm), 21st, 22nd, 30th, and 31st. STATION RECORDS: 6th - RAINFALL 0.84"[ previous 0.79" 1983], 18th - TEMPERATURE 78 [previous 77 1984], and 18th - WIND GUST 39mph [previous 37mph 1990]. To view the station monthly and year-to-date climatological summary (LCD) for this Portsmouth station, please click here. " - [ - - ]

    Glen Allen - from Lowell Koontz (GAV): " December was the third coldest and third driest on record at Glen Allen. The monthly mean temperature was 41.4F, a -1.6F departure from the eight-year average. December had its highest maximum of 68.2F on December 1st but had only 3 days of =65F for the month. On 16 days, the minimum reached freezing or below which was fourth greatest in December in the past 8-years. The lowest temperature was 13F occurring on the 16th which was the lowest minimum ever recorded at Glen Allen in December. Glen Allen had two days the minimum temperature was below 15F; the only other year this occurred was 2010. The lowest dew point on December 15th was -7.3F which set a new record; the previous record was only -1.4F in 2010. The highest barometric pressure for December was 30.70 inches recorded on the 19th which was the 3rd highest barometric pressure for December. The average daily pressure for December was 30.20 inches a new record for December. The previous record was 30.17 inches in 2014. December had a minor trace of sleet associated with a glaze on the 17th. The precipitation total for the month was 3.11 inches which was a 1.61 inch negative departure based on an eight-year average. There were 9 days with measurable precipitation in December and only December of 2011 had less. The total precipitation for the year was 47.73 inches which was a 1.54 inch surplus. Only 2010 had a lower average relative humidity of 64.2% which is the low record for December. " - [ - - ]

    Richmond - from contributor Lowell Koontz (GAV): " The mean temperature for the Richmond International Airport was 41.1F which was exactly average. December was the 52nd warmest in the past 119 years. The minimum temperature of 15F on the 16th was the lowest minimum in December since 2010 when 15F was also recorded. The lowest maximum temperature of 29F for December occurred on the 16th which was also the lowest since 2010. December didnt even have a trace of frozen precipitation. This was the 17th year in the past 119 years that Richmond didnt have a trace of snow or a measurable amount of snow in December. The 30-year average snowfall for December is 2.1 inches. The 2.80 inches of precipitation for December made it the 61st driest December in the past 129 years with a -0.46 inch departure. The total precipitation for 2016 was 52.75 inches which was a 9.15 inch surplus for the year. The airport also set 1 daily maximum precipitation record for the date on December 6th with 1.22 inches; the old record was 1.17 inches set in 1930. " - [ -/+ - ]

    North Carolina:

    Raleigh - from member Bob Woodson (RAL): " DECEMBER PRECIPITATION WAS BELOW NORMAL BY 0.95 HOWEVER FOR THE YEAR, PRECIPITATION WAS STILL 8.06 ABOVE NORMAL. THE AVERAGE DAILY TEMPERATURE FOR DECEMBER WAS +0.5 DEGREES ABOVE NORMAL. THERE WAS NO SEVERE WEATHER OR THUNDERSTORMS OBSERVED DURING THE MONTH. ON DECEMBER 17TH THERE WAS A TRACE OF FREEZING RAIN. " - [ + - ]

    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 2016-2017 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 Weather Headlines visit the National Weather Service Homepage
    or conduct a Google.com Search

    http://www.weather.gov
     

    National Weather Service Web Sites & Current Email Addresses
    Within or Nearby the ACON VA/NC/SC Area Can Be Found At:

         NWS Washington/Baltimore, VA/MD
         NWS Wakefield, VA
         NWS Blacksburg, VA
         NWS Raleigh, NC
         NWS Newport/Morehead City, NC
         NWS Wilmington, NC
         NWS Greenville-Spartanburg, SC
         NWS Columbia, SC
         NWS Charleston, SC
         NWS Morristown, TN

         National Weather Service Homepages

         National Climatic Data Center, Asheville, NC

    STATION / LOCATION (MILES & DIRECTION FROM MAIN POST OFFICE)/OBSERVER / YEAR RECORDS BEGAN / EMAIL ADDRESS:
    [ includes current stations, inactive stations, and closed stations since database inception ]

        
    AKQ    Wakefield, VA NWS Wakefield Municipal Airport 36-58-53N 077-00-04W 33M SVC    Seven Corner, Fairfax County, VA John Iekel Latitude 38.857404 Longitude -77.151696
    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   
      WOO  Woodstock, VA 5NW Lauck Walton 12/1/85 STATION CLOSED 08/2014
       LDY Ladysmith, VA Danny Jessee 2003 STATION CLOSED 8/31/2010 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' | STATION CLOSED
    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 Airport 35-12-48N 080-56-55W 220M
    IAD   Dulles - Washington-Dulles International Airport  38-56-05N 077-26-51W 93M   
    FCH    Falls Church, VA Erica Page 3/7/94 Windie1970@aol.com HKY  Hickory, NC 
    HAM    Hampton, VA 5NE Dave Kessel 1989 kesseld1@cox.net ECG  Elizabeth City, NC,  Coast Guard Air Station 36-15-47N 076 10-58W 11M
    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
    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 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'. 1993 randy_ashby@msn.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
      RAL    Raleigh, NC 7NNW  Bob Woodson -  6/1/93 kf4mmm@qsl.net
    LKU     Louisa, VA 1N Joseph Bowers 1944 - NWS ID  44-5050-02 STATION CLOSED RDU   Raleigh-Durham, NC Raleigh-Durham International Airport 35-52-14N 078-47-11W 130M
    LOU     Louisa, VA 6S John Bullock (about 1970) STATION CLOSED ROX    Roxboro, NC 2SE Merriell A. Jay 1/93 ending 12/13
         WHI   North Whiteville, NC Christopher Crawley 12/10 34.413744N / 078.751908W ccawley.kk4csr@gmail.com
    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 STATION CLOSED 5/31/10 CHS   Charleston, SC NWS Charleston Air Force Base 32-53-56N 080-02-26W 13M
      CXM    Downtown Charleston, SC NWS 32.77 N 79.93 W
    NPN     Newport News, VA 7N Gary Leonard -  6/91 mikey0781@cox.net 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@yahoo.com