255 CDUS41 KLWX 130539 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 139 AM EDT THU SEP 13 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 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 81 320 PM 96 1931 81 0 83 1895 MINIMUM 60 623 AM 41 1917 64 -4 65 AVERAGE 71 72 -1 74 PRECIPITATION (IN) YESTERDAY 0.00 4.02 1934 0.12 -0.12 0.00 MONTH TO DATE 2.44 1.35 1.09 7.11 SINCE SEP 1 2.44 1.35 1.09 7.11 SINCE JAN 1 21.15 27.75 -6.60 34.41 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 6 8 -2 9 MONTH TO DATE 148 113 35 112 SINCE SEP 1 148 113 35 112 SINCE JAN 1 1849 1424 425 1814 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 5.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 78 300 AM LOWEST 35 100 PM AVERAGE 57 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 94 1925 1915 MINIMUM TEMPERATURE (F) 64 44 1917 SUNRISE AND SUNSET SEPTEMBER 13 2012.....SUNRISE 648 AM EDT SUNSET 719 PM EDT SEPTEMBER 14 2012.....SUNRISE 649 AM EDT SUNSET 717 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$