975 CDUS41 KLWX 220525 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1224 AM EST THU DEC 22 2016 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 21 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 48 252 PM 72 2013 45 3 58 MINIMUM 27 454 AM 4 1942 31 -4 38 AVERAGE 38 38 0 48 PRECIPITATION (IN) YESTERDAY 0.00 1.38 1905 0.09 -0.09 0.00 MONTH TO DATE 1.83 2.15 -0.32 1.62 SINCE DEC 1 1.83 2.15 -0.32 1.62 SINCE JAN 1 30.92 38.84 -7.92 41.80 SNOWFALL (IN) YESTERDAY 0.0 5.3 1962 0.1 -0.1 MONTH TO DATE T 1.4 -1.4 SINCE JUL 1 T 1.9 -1.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 27 27 0 17 MONTH TO DATE 501 507 -6 336 SINCE DEC 1 501 507 -6 336 SINCE JUL 1 988 1202 -214 871 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 NW (310) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 4.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 300 AM LOWEST 31 1100 AM AVERAGE 58 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 72 2013 1889 MINIMUM TEMPERATURE (F) 31 3 1872 SUNRISE AND SUNSET DECEMBER 22 2016......SUNRISE 724 AM EST SUNSET 450 PM EST DECEMBER 23 2016......SUNRISE 724 AM EST SUNSET 451 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$