750 CDUS41 KLWX 180523 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT TUE AUG 18 2015 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 17 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2015 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 96 104 PM 105 1997 87 9 88 MINIMUM 72 603 AM 51 1902 70 2 72 AVERAGE 84 78 6 80 PRECIPITATION (IN) YESTERDAY 0.00 2.39 1879 0.09 -0.09 0.01 MONTH TO DATE 0.58 1.68 -1.10 2.64 SINCE JUN 1 17.53 9.19 8.34 10.63 SINCE JAN 1 32.31 25.15 7.16 32.92 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 6 6 0 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 19 13 6 15 MONTH TO DATE 266 235 31 210 SINCE JUN 1 1193 1006 187 1035 SINCE JAN 1 1491 1140 351 1204 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170) AVERAGE WIND SPEED 8.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 400 AM LOWEST 43 100 PM AVERAGE 64 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 98 2002 MINIMUM TEMPERATURE (F) 70 54 1902 SUNRISE AND SUNSET AUGUST 18 2015........SUNRISE 624 AM EDT SUNSET 759 PM EDT AUGUST 19 2015........SUNRISE 625 AM EDT SUNSET 758 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$