712 CDUS41 KLWX 200523 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT MON AUG 20 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 19 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2012 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 78 1058 AM 98 2002 86 -8 89 MINIMUM 69 922 PM 53 1924 70 -1 69 AVERAGE 74 78 -4 79 PRECIPITATION (IN) YESTERDAY 0.36 3.74 1950 0.09 0.27 1.61 MONTH TO DATE 1.47 1.86 -0.39 4.39 SINCE JUN 1 6.66 9.37 -2.71 9.10 SINCE JAN 1 17.40 25.33 -7.93 22.77 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 0 6 -6 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 9 13 -4 14 MONTH TO DATE 332 261 71 327 SINCE JUN 1 1273 1032 241 1361 SINCE JAN 1 1532 1166 366 1561 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 3.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 84 100 PM LOWEST 58 1200 AM AVERAGE 71 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 101 1983 MINIMUM TEMPERATURE (F) 70 50 1896 SUNRISE AND SUNSET AUGUST 20 2012........SUNRISE 627 AM EDT SUNSET 755 PM EDT AUGUST 21 2012........SUNRISE 628 AM EDT SUNSET 754 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$