Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000 CXUS51 KLWX 012114 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 514 PM EDT SAT APR 1 2017 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF MARCH 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2017 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 93 03/23/1907 LOW 4 03/04/1873 HIGHEST 80 03/01 78 2 LOWEST 22 03/15 23 -1 AVG. MAXIMUM 56.5 55.9 0.6 63.1 AVG. MINIMUM 37.9 37.6 0.3 44.0 MEAN 47.2 46.8 0.4 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 0 0.4 -0.4 DAYS MIN <= 32 12 7.1 4.9 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.84 1891 MINIMUM 0.05 2006 TOTALS 3.19 3.48 -0.29 1.16 DAILY AVG. 0.10 0.11 -0.01 DAYS >= .01 14 10.5 3.5 DAYS >= .10 6 6.5 -0.5 DAYS >= .50 2 2.4 -0.4 DAYS >= 1.00 0 0.9 -0.9 GREATEST 24 HR. TOTAL 0.96 03/31 TO 03/31 SNOWFALL (INCHES) RECORDS TOTAL 19.3 1914 TOTALS 2.0 1.3 0.7 SINCE 7/1 3.4 15.4 -12.0 SNOWDEPTH AVG. 0 DAYS >= TRACE 5 0.9 4.1 DAYS >= 1.0 1 0.4 0.6 GREATEST SNOW DEPTH 2 03/14 24 HR TOTAL 1.1 DEGREE_DAYS HEATING TOTAL 548 568 -20 351 SINCE 7/1 2924 3676 -752 2952 COOLING TOTAL 5 2 3 3 SINCE 1/1 6 2 4 3 .............................................................. WIND (MPH) AVERAGE WIND SPEED 11.3 HIGHEST WIND SPEED/DIRECTION 39/270 DATE 03/01 HIGHEST GUST SPEED/DIRECTION 54/280 DATE 03/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 55 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 5 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 0 SNOW 4 LIGHT SNOW 5 SLEET 2 FOG 10 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && WASHINGTON DC...RONALD REAGAN NATIONAL AIRPORT... THE MONTHLY AVERAGE TEMPERATURE...PRECIPITATION AND SNOWFALL WERE ALL NEAR NORMAL. THE AVERAGE MONTHLY TEMPERATURE FOR MARCH 2017 WAS LOWER THAN THE MONTHLY AVERAGE TEMPERATURE FOR FEBRUARY 2017. THIS IS THE EIGHTH TIME ON RECORD FEBRUARY AVERAGED AS WARM OR WARMER THAN MARCH...AND THE FIRST TIME SINCE 1984. A RECORD DAILY HIGH TEMPERATURE OF 80 DEGREES WAS SET ON THE 1ST...TYING THE RECORD PREVIOUSLY SET IN 1976. 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. ALL CLIMATE DATA ARE CONSIDERED PRELIMINARY UNTIL REVIEWED BY THE NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (NCEI). $$ DH/LFR/BAJ

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