225 CDUS41 KLWX 090534 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1232 AM EST WED DEC 9 2015 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 8 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 56 323 PM 74 1978 49 7 38 MINIMUM 38 701 AM 8 1882 34 4 35 AVERAGE 47 42 5 37 PRECIPITATION (IN) YESTERDAY 0.00 1.35 1972 0.10 -0.10 T MONTH TO DATE 1.07 0.86 0.21 1.35 SINCE DEC 1 1.07 0.86 0.21 1.35 SINCE JAN 1 41.25 37.55 3.70 42.26 SNOWFALL (IN) YESTERDAY 0.0 3.6 1989 0.1 -0.1 MONTH TO DATE 0.0 0.5 -0.5 SINCE JUL 1 0.0 1.0 -1.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 18 23 -5 28 MONTH TO DATE 145 177 -32 157 SINCE DEC 1 145 177 -32 157 SINCE JUL 1 680 872 -192 764 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1998 1549 449 1712 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 3.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 82 700 AM LOWEST 47 300 PM AVERAGE 65 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 49 71 1991 MINIMUM TEMPERATURE (F) 34 4 1876 SUNRISE AND SUNSET DECEMBER 9 2015......SUNRISE 715 AM EST SUNSET 446 PM EST DECEMBER 10 2015......SUNRISE 715 AM EST SUNSET 446 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$