Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000 CXUS51 KLWX 080053 CLMDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 853 PM EDT TUE JUL 7 2015 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 104 06/29/2012 LOW 43 06/02/1897 HIGHEST 96 06/23 95 1 06/16 LOWEST 59 06/04 54 5 06/03 AVG. MAXIMUM 86.1 84.2 1.9 85.6 AVG. MINIMUM 70.1 66.3 3.8 68.8 MEAN 78.1 75.2 2.9 DAYS MAX >= 90 12 6.3 5.7 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 14.02 2006 MINIMUM 0.86 1940 TOTALS 11.94 3.78 8.16 3.31 DAILY AVG. 0.40 0.13 0.27 DAYS >= .01 18 10.7 7.3 DAYS >= .10 12 6.1 5.9 DAYS >= .50 7 2.5 4.5 DAYS >= 1.00 3 1.0 2.0 GREATEST 24 HR. TOTAL 2.92 06/01 TO 06/02 DEGREE_DAYS HEATING TOTAL 6 6 0 0 SINCE 7/1 3930 4031 -101 4121 COOLING TOTAL 407 314 93 372 SINCE 1/1 705 448 257 541 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.2 HIGHEST WIND SPEED/DIRECTION 43/330 DATE 06/23 HIGHEST GUST SPEED/DIRECTION 55/320 DATE 06/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.80 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 18 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 11 MIXED PRECIP 0 HEAVY RAIN 14 RAIN 12 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 1 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 15 FOG W/VIS <= 1/4 MILE 0 HAZE 6 - 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 WAS WELL ABOVE NORMAL...AND RANKED AS THE SIXTH WARMEST JUNE ON RECORD. MONTHLY PRECIPITATION WAS ALSO WELL ABOVE NORMAL...AND RANKED AS THE SECOND WETTEST JUNE ON RECORD. LAST MONTH HAD 12 DAYS WITH TEMPERATURES REACHING OR EXCEEDING 90 DEGREES...THE MOST SINCE 2010. THERE WERE ALSO 8 DAYS WITH MINIMUM TEMPERATURES AT OR ABOVE 75 DEGREES...THE MOST EVER OBSERVED IN THE MONTH OF JUNE. PREVIOUSLY...THE MOST DAYS WITH MINIMUM TEMPERATURES AT OR ABOVE 75 IN THE MONTH OF JUNE WAS 7...IN 2010 AND 1943. FIVE DAILY RECORD HIGH MINIMUM TEMPERATURE RECORDS WERE TIED OR BROKEN LAST MONTH. A MINIMUM TEMPERATURE OF 77 DEGREES ON THE 12TH BROKE THE OLD RECORD OF 76 SET IN 1947. A MINIMUM TEMPERATURE OF 75 DEGREES ON THE 13TH TIED THE OLD RECORD PREVIOUSLY SET IN 2005...1984 AND 1981. A MINIMUM TEMPERATURE OF 78 DEGREES ON THE 14TH BROKE THE OLD RECORD OF 76 SET IN 1984. A MINIMUM TEMPERATURE OF 78 DEGREES ON THE 15TH BROKE THE OLD RECORD OF 76 SET IN 1994. A MINIMUM TEMPERATURE OF 78 DEGREES ON THE 22ND BROKE THE OLD RECORD OF 76 SET IN 1988. THREE DAILY MAXIMUM RAINFALL RECORDS WERE BROKEN LAST MONTH. A DAILY RAINFALL OF 2.49 INCHES ON THE 1ST BROKE THE OLD RECORD OF 2.20 INCHES SET IN 1907. A DAILY RAINFALL OF 2.37 INCHES ON THE 20TH BROKE THE OLD RECORD OF 1.35 INCHES SET IN 1983. A DAILY RAINFALL OF 2.75 INCHES ON THE 27TH BROKE THE OLD RECORD OF 2.59 INCHES SET IN 1881. $$ DFH/HTS

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