Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000 CXUS51 KLWX 021259 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 859 AM EDT SAT AUG 2 2014 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JULY 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2014 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 106 07/20/1930 LOW 52 07/04/1933 07/04/1907 07/31/1895 HIGHEST 99 07/02 97 2 LOWEST 60 07/30 61 -1 AVG. MAXIMUM 88.0 88.4 -0.4 88.3 AVG. MINIMUM 70.8 71.1 -0.3 74.2 MEAN 79.4 79.8 -0.4 DAYS MAX >= 90 9 12.4 -3.4 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 0.0 0.0 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 11.06 1945 MINIMUM 0.82 1872 TOTALS 4.68 3.73 0.95 4.43 DAILY AVG. 0.15 0.12 0.03 DAYS >= .01 11 10.3 0.7 DAYS >= .10 7 6.3 0.7 DAYS >= .50 3 3.0 0.0 DAYS >= 1.00 2 1.0 1.0 GREATEST 24 HR. TOTAL 1.71 07/15 TO 07/15 07/14 TO 07/15 07/15 TO 07/15 DEGREE_DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 0 0 0 COOLING TOTAL 453 457 -4 511 SINCE 1/1 994 905 89 1047 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.2 HIGHEST WIND SPEED/DIRECTION 36/320 DATE 07/10 HIGHEST GUST SPEED/DIRECTION 49/320 DATE 07/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 19 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 10 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 6 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 0 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 MONTHLY AVERAGE TEMPERATURE IN WASHINGTON DC THIS JULY 2014 WAS SLIGHTLY BELOW NORMAL. PRECIPITATION WAS ABOVE NORMAL. ALTHOUGH THE MONTHLY AVERAGE TEMPERATURE WAS ONLY SLIGHTLY BELOW NORMAL...THIS WAS THE COOLEST JULY SINCE 2009. THE LOW TEMPERATURE OF 60 DEGF ON THE 30TH WAS THE COOLEST JULY TEMPERATURE OBSERVED SINCE 2002 WHEN THE TEMPERATURE DROPPED TO 60 DEGF ON THE 12TH. DAILY RAINFALL OF 1.71 INCHES ON THE 15TH MARKED THE RAINIEST JULY DAY SINCE 2010 WHEN 1.86 INCHES OF RAINFALL WAS OBSERVED ON THE 13TH. DESPITE THE COOL TEMPERATURES AND ABOVE NORMAL PRECIPITATION...NO RECORDS WERE BROKEN THIS MONTH. $$ DH

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