859 CDUS41 KLWX 150527 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1226 AM EST SAT DEC 15 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 14 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2012 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 52 313 PM 70 1931 47 5 50 1929 1881 MINIMUM 30 529 AM 6 1904 33 -3 38 AVERAGE 41 40 1 44 PRECIPITATION (IN) YESTERDAY 0.00 1.89 1879 0.10 -0.10 T MONTH TO DATE 0.29 1.49 -1.20 3.34 SINCE DEC 1 0.29 1.49 -1.20 3.34 SINCE JAN 1 29.71 38.18 -8.47 45.33 SNOWFALL (IN) YESTERDAY 0.0 3.6 2003 0.1 -0.1 MONTH TO DATE 0.0 0.9 -0.9 SINCE JUL 1 T 1.4 -1.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 24 25 -1 21 MONTH TO DATE 227 324 -97 291 SINCE DEC 1 227 324 -97 291 SINCE JUL 1 938 1019 -81 886 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1975 1549 426 1925 .................................................................. WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160) AVERAGE WIND SPEED 5.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 1000 AM LOWEST 44 200 PM AVERAGE 62 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 71 1971 MINIMUM TEMPERATURE (F) 33 6 1904 SUNRISE AND SUNSET DECEMBER 15 2012......SUNRISE 720 AM EST SUNSET 447 PM EST DECEMBER 16 2012......SUNRISE 720 AM EST SUNSET 448 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$