420 CDUS41 KLWX 110528 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1225 AM EST SUN DEC 11 2016 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 10 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2016 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 39 1245 PM 67 1966 48 -9 63 1939 MINIMUM 26 1148 PM 4 1876 34 -8 41 AVERAGE 33 41 -8 52 PRECIPITATION (IN) YESTERDAY 0.00 2.23 1878 0.11 -0.11 T MONTH TO DATE 1.40 1.08 0.32 1.07 SINCE DEC 1 1.40 1.08 0.32 1.07 SINCE JAN 1 30.49 37.77 -7.28 41.25 SNOWFALL (IN) YESTERDAY 0.0 7.0 1904 0.1 -0.1 MONTH TO DATE 0.0 0.6 -0.6 SINCE JUL 1 0.0 1.1 -1.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 32 24 8 13 MONTH TO DATE 207 225 -18 179 SINCE DEC 1 207 225 -18 179 SINCE JUL 1 694 920 -226 714 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1994 1549 445 1998 .................................................................. WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 9.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 58 1200 AM LOWEST 35 1200 PM AVERAGE 47 .......................................................... 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 2016......SUNRISE 717 AM EST SUNSET 446 PM EST DECEMBER 12 2016......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. $$