Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000 CXUS51 KLWX 022110 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 410 PM EST WED MAR 1 2017 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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 84 02/25/1930 LOW -15 02/11/1899 HIGHEST 77 02/24 67 10 LOWEST 23 02/10 15 8 AVG. MAXIMUM 57.6 47.1 10.5 47.6 AVG. MINIMUM 37.8 30.9 6.9 32.2 MEAN 47.7 39.0 8.7 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 0 1.6 -1.6 DAYS MIN <= 32 8 15.7 -7.7 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.98 2003 MINIMUM 0.35 2009 TOTALS 0.68 2.62 -1.94 3.79 DAILY AVG. 0.02 0.09 -0.07 DAYS >= .01 5 9.0 -4.0 DAYS >= .10 3 5.4 -2.4 DAYS >= .50 0 1.7 -1.7 DAYS >= 1.00 0 0.3 -0.3 GREATEST 24 HR. TOTAL 0.34 02/28 TO 02/28 02/27 TO 02/28 02/28 TO 02/28 SNOWFALL (INCHES) RECORDS TOTAL 35.2 1899 TOTALS T 5.7 -5.7 SINCE 7/1 1.4 14.1 -12.7 SNOWDEPTH AVG. 0 DAYS >= TRACE 2 2.4 -0.4 DAYS >= 1.0 0 1.3 -1.3 GREATEST SNOW DEPTH 0 MM 24 HR TOTAL T DEGREE_DAYS HEATING TOTAL 478 728 -250 722 SINCE 7/1 2376 3108 -732 2601 COOLING TOTAL 1 0 1 0 SINCE 1/1 1 0 1 0 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.6 HIGHEST WIND SPEED/DIRECTION 52/320 DATE 02/12 HIGHEST GUST SPEED/DIRECTION 65/320 DATE 02/12 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 4 NUMBER OF DAYS PC 14 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 57 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 3 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 SLEET 0 FOG 3 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - 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 RANKED AS THE WARMEST FEBRUARY ON RECORD. THE PREVIOUS RECORD WAS 46.9 SET IN 1976. MONTHLY PRECIPITATION WAS WELL BELOW NORMAL, AND RANKED AS THE 6TH DRIEST ON RECORD. SNOWFALL WAS WELL BELOW NORMAL. THIS WAS THE 19TH TIME NO MEASURABLE SNOW WAS RECORDED IN FEBRUARY IN THE WASHINGTON DC AREA, AND THE FIRST TIME SINCE 2004. THERE WERE SIX DAYS WHERE THE TEMPERATURE REACHED OR EXCEEDED 70 DEGREES THIS FEBRUARY. THIS IS THE SECOND MOST ON RECORD. THE MOST WAS SEVEN DAYS IN 1976. THERE WERE THREE DAYS WHERE THE TEMPERATURE DID NOT DROP BELOW 50 DEGREES. THIS IS ALSO THE SECOND MOST ON RECORD. THE MOST WAS FOUR DAYS IN 1880. TWO RECORD DAILY HIGH TEMPERATURES WERE SET THIS FEBRUARY: HIGH OF 73 DEGREES ON THE 7TH BROKE THE RECORD OF 64 SET IN 2008 HIGH OF 74 DEGREES ON THE 8TH BROKE THE RECORD OF 68 SET IN 2015. FOUR RECORD DAILY WARM LOW TEMPERATURES WERE SET THIS FEBRUARY: LOW OF 48 DEGREES ON THE 7TH BROKE THE RECORD OF 47 SET IN 1904 LOW OF 51 DEGREES ON THE 8TH BROKE THE RECORD OF 42 SET IN 1882 LOW OF 53 DEGREES ON THE 23RD BROKE THE RECORD OF 51 SET IN 1922 LOW OF 54 DEGREES ON THE 24TH BROKE THE RECORD OF 52 SET IN 1975 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/SMZ

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