267 CDUS41 KLWX 040523 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT TUE SEP 4 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 3 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 85 1107 AM 98 1953 84 1 82 MINIMUM 75 436 AM 48 1909 67 8 70 1892 AVERAGE 80 75 5 76 PRECIPITATION (IN) YESTERDAY T 1.67 1974 0.12 -0.12 T MONTH TO DATE 1.69 0.33 1.36 0.16 SINCE SEP 1 1.69 0.33 1.36 0.16 SINCE JAN 1 20.40 26.73 -6.33 27.46 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 15 10 5 11 MONTH TO DATE 48 32 16 29 SINCE SEP 1 48 32 16 29 SINCE JAN 1 1749 1343 406 1731 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 6.8 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 94 600 AM LOWEST 61 1200 PM AVERAGE 78 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 95 2008 1985 MINIMUM TEMPERATURE (F) 67 49 1908 1872 SUNRISE AND SUNSET SEPTEMBER 4 2012.....SUNRISE 640 AM EDT SUNSET 733 PM EDT SEPTEMBER 5 2012.....SUNRISE 641 AM EDT SUNSET 731 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$