166 CDUS41 KLWX 130522 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1222 AM EST THU DEC 13 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 12 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 47 306 PM 71 1873 48 -1 46 MINIMUM 39 732 AM 13 1988 33 6 29 1957 AVERAGE 43 40 3 38 PRECIPITATION (IN) YESTERDAY 0.00 1.36 1959 0.11 -0.11 0.00 MONTH TO DATE 0.29 1.30 -1.01 3.34 SINCE DEC 1 0.29 1.30 -1.01 3.34 SINCE JAN 1 29.71 37.99 -8.28 45.33 SNOWFALL (IN) YESTERDAY 0.0 6.6 1982 0.0 0.0 MONTH TO DATE 0.0 0.7 -0.7 SINCE JUL 1 T 1.2 -1.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 22 25 -3 27 MONTH TO DATE 181 274 -93 246 SINCE DEC 1 181 274 -93 246 SINCE JUL 1 892 969 -77 841 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 14 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 7.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 64 800 AM LOWEST 42 100 PM AVERAGE 53 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 71 1889 MINIMUM TEMPERATURE (F) 33 11 1960 SUNRISE AND SUNSET DECEMBER 13 2012......SUNRISE 718 AM EST SUNSET 447 PM EST DECEMBER 14 2012......SUNRISE 719 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. $$