Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000 CXUS51 KLWX 041852 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 248 PM EDT THU SEP 4 2014 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 08/06/1918 LOW 49 08/29/1986 08/31/1934 08/24/1890 HIGHEST 96 08/31 96 0 LOWEST 62 08/15 59 3 AVG. MAXIMUM 85.6 86.5 -0.9 84.7 AVG. MINIMUM 69.7 69.7 0.0 69.4 MEAN 77.7 78.1 -0.4 DAYS MAX >= 90 3 8.4 -5.4 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 14.41 1928 MINIMUM 0.55 1962 TOTALS 3.39 2.93 0.46 1.34 DAILY AVG. 0.11 0.09 0.02 DAYS >= .01 11 8.2 2.8 DAYS >= .10 7 5.2 1.8 DAYS >= .50 1 2.1 -1.1 DAYS >= 1.00 1 0.7 0.3 GREATEST 24 HR. TOTAL 1.63 08/11 TO 08/12 DEGREE_DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 0 0 0 COOLING TOTAL 399 406 -7 383 SINCE 1/1 1393 1311 82 1430 .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.2 HIGHEST WIND SPEED/DIRECTION 28/010 DATE 08/05 HIGHEST GUST SPEED/DIRECTION 32/160 DATE 08/12 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 4 NUMBER OF DAYS PC 15 NUMBER OF DAYS CLOUDY 12 AVERAGE RH (PERCENT) 61 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 3 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 1 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE MONTHLY AVERAGE TEMPERATURE IN WASHINGTON THIS AUGUST WAS SLIGHTLY BELOW NORMAL. RAINFALL FOR THE MONTH WAS SLIGHTLY ABOVE NORMAL. DAILY RAINFALL OF 1.60 INCHES ON THE 12TH MARKED THE WETTEST AUGUST DAY SINCE 2011 WHEN 3.33 INCHES FELL ON THE 27TH. THIS WAS ALSO THE WETTEST AUGUST OVERALL SINCE THAT YEAR. THERE WERE ONLY 3 DAYS THIS MONTH WHERE THE MAXIMUM TEMPERATURE REACHED OR EXCEEDED 90 DEGREES. THIS IS THE FEWEST NUMBER OF 90 DEGREE OR HOTTER DAYS IN THE MONTH OF AUGUST IN TEN YEARS...SINCE 2004 WHEN THERE WAS ONLY ONE. $$ DFH/KLW/CS

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