125 CDUS41 KLWX 210526 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1226 AM EST WED DEC 21 2016 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 20 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 37 357 PM 66 1889 45 -8 46 1877 MINIMUM 26 751 AM 5 1942 31 -5 32 AVERAGE 32 38 -6 39 PRECIPITATION (IN) YESTERDAY 0.00 1.56 1957 0.09 -0.09 0.00 MONTH TO DATE 1.83 2.06 -0.23 1.62 SINCE DEC 1 1.83 2.06 -0.23 1.62 SINCE JAN 1 30.92 38.75 -7.83 41.80 SNOWFALL (IN) YESTERDAY 0.0 5.0 1892 0.1 -0.1 MONTH TO DATE T 1.3 -1.3 SINCE JUL 1 T 1.8 -1.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 33 27 6 26 MONTH TO DATE 474 480 -6 319 SINCE DEC 1 474 480 -6 319 SINCE JUL 1 961 1175 -214 854 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 10 HIGHEST WIND DIRECTION NE (40) HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 5.1 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 72 1100 PM LOWEST 44 100 PM AVERAGE 58 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 72 2013 MINIMUM TEMPERATURE (F) 31 4 1942 SUNRISE AND SUNSET DECEMBER 21 2016......SUNRISE 723 AM EST SUNSET 450 PM EST DECEMBER 22 2016......SUNRISE 724 AM EST SUNSET 450 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$