219 CDUS41 KLWX 110523 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1222 AM EST TUE DEC 11 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 10 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 63 713 PM 67 1966 48 15 47 1939 MINIMUM 49 158 AM 4 1876 34 15 32 AVERAGE 56 41 15 40 PRECIPITATION (IN) YESTERDAY 0.01 2.23 1878 0.11 -0.10 0.00 MONTH TO DATE 0.22 1.08 -0.86 3.34 SINCE DEC 1 0.22 1.08 -0.86 3.34 SINCE JAN 1 29.64 37.77 -8.13 45.33 SNOWFALL (IN) YESTERDAY 0.0 7.0 1904 0.1 -0.1 MONTH TO DATE 0.0 0.6 -0.6 SINCE JUL 1 T 1.1 -1.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 9 24 -15 25 MONTH TO DATE 146 225 -79 190 SINCE DEC 1 146 225 -79 190 SINCE JUL 1 857 920 -63 785 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1975 1549 426 1925 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 7.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 78 700 PM AVERAGE 89 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 68 1979 1971 1897 MINIMUM TEMPERATURE (F) 34 12 1917 1904 1880 SUNRISE AND SUNSET DECEMBER 11 2012......SUNRISE 717 AM EST SUNSET 446 PM EST DECEMBER 12 2012......SUNRISE 718 AM EST SUNSET 447 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$