982 CDUS41 KLWX 090535 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 134 AM EDT SUN SEP 9 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 8 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 91 201 PM 100 1939 82 9 79 MINIMUM 66 352 PM 52 1988 65 1 71 AVERAGE 79 74 5 75 PRECIPITATION (IN) YESTERDAY 0.49 2.93 1969 0.12 0.37 1.39 MONTH TO DATE 2.44 0.88 1.56 6.63 SINCE SEP 1 2.44 0.88 1.56 6.63 SINCE JAN 1 21.15 27.28 -6.13 33.93 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 14 9 5 10 MONTH TO DATE 129 80 49 69 SINCE SEP 1 129 80 49 69 SINCE JAN 1 1830 1391 439 1771 .................................................................. WIND (MPH) HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 11.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 94 400 AM LOWEST 52 100 PM AVERAGE 73 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 98 1872 MINIMUM TEMPERATURE (F) 65 48 1901 SUNRISE AND SUNSET SEPTEMBER 9 2012.....SUNRISE 645 AM EDT SUNSET 725 PM EDT SEPTEMBER 10 2012.....SUNRISE 645 AM EDT SUNSET 724 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$