Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000 CXUS51 KLWX 082022 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 422 PM EDT FRI MAY 8 2015 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2015 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 95 04/17/2002 04/18/1976 04/23/1960 LOW 15 04/01/1923 HIGHEST 84 04/18 86 -2 LOWEST 39 04/24 33 6 AVG. MAXIMUM 69.4 66.6 2.8 67.2 AVG. MINIMUM 49.4 47.0 2.4 47.5 MEAN 59.4 56.8 2.6 DAYS MAX >= 90 0 0.3 -0.3 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 0.5 -0.5 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.13 1889 MINIMUM 0.03 1985 TOTALS 3.41 3.06 0.35 6.47 DAILY AVG. 0.11 0.10 0.01 DAYS >= .01 14 10.4 3.6 DAYS >= .10 9 6.5 2.5 DAYS >= .50 3 2.2 0.8 DAYS >= 1.00 0 0.6 -0.6 GREATEST 24 HR. TOTAL 1.09 04/19 TO 04/20 SNOWFALL (INCHES) RECORDS TOTAL 5.5 1924 TOTALS 0.0 T 0.0 SINCE 7/1 18.3 15.4 2.9 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.1 -0.1 DAYS >= 1.0 0 0.0 0.0 GREATEST SNOW DEPTH 0 MM 24 HR TOTAL 0.0 DEGREE_DAYS HEATING TOTAL 181 270 -89 245 SINCE 7/1 3908 3946 -38 4089 COOLING TOTAL 20 24 -4 21 SINCE 1/1 20 26 -6 21 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.5 HIGHEST WIND SPEED/DIRECTION 35/180 DATE 04/20 HIGHEST GUST SPEED/DIRECTION 45/300 DATE 04/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 12 AVERAGE RH (PERCENT) 54 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 5 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 1 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 8 FOG W/VIS <= 1/4 MILE 0 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && WASHINGTON DC...REAGAN NATIONAL AIRPORT... THE APRIL MONTHLY AVERAGE TEMPERATURE WAS ABOVE NORMAL. MONTHLY PRECIPITATION WAS SLIGHTLY ABOVE NORMAL. THIS WAS THE FIRST MONTH OF 2015 TO HAVE AN ABOVE NORMAL MONTHLY AVERAGE TEMPERATURE. IT WAS ALSO THE WARMEST APRIL SINCE 2010. ON THE 18TH...WASHINGTON DC HAD A HIGH OF 84 DEGREES. THIS WAS THE WARMEST TEMPERATURE OBSERVED SINCE SEPTEMBER 27TH 2014. DESPITE THE MILDER WEATHER THE TEMPERATURE DID NOT REACH OR EXCEED 85 DEGREES IN THE MONTH OF APRIL FOR THE FIRST TIME SINCE 2006. $$

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