648 CDUS41 KLWX 120526 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1225 AM EST MON DEC 12 2016 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 11 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 43 1159 PM 68 1979 48 -5 66 1971 1897 MINIMUM 29 234 AM 12 1917 34 -5 42 1904 1880 AVERAGE 36 41 -5 54 PRECIPITATION (IN) YESTERDAY 0.00 1.66 2008 0.11 -0.11 0.00 MONTH TO DATE 1.40 1.19 0.21 1.07 SINCE DEC 1 1.40 1.19 0.21 1.07 SINCE JAN 1 30.49 37.88 -7.39 41.25 SNOWFALL (IN) YESTERDAY 0.0 6.8 1960 0.1 -0.1 MONTH TO DATE 0.0 0.7 -0.7 SINCE JUL 1 0.0 1.2 -1.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 29 24 5 11 MONTH TO DATE 236 249 -13 190 SINCE DEC 1 236 249 -13 190 SINCE JUL 1 723 944 -221 725 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 17 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 7.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 70 900 PM LOWEST 47 1000 AM AVERAGE 59 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 71 1873 MINIMUM TEMPERATURE (F) 33 13 1988 1957 SUNRISE AND SUNSET DECEMBER 12 2016......SUNRISE 718 AM EST SUNSET 447 PM EST DECEMBER 13 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. $$