806 CDUS41 KLWX 120524 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT WED SEP 12 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 11 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 78 455 PM 98 1983 81 -3 84 MINIMUM 57 613 AM 40 1917 64 -7 67 AVERAGE 68 73 -5 76 PRECIPITATION (IN) YESTERDAY 0.00 1.85 1882 0.12 -0.12 0.02 MONTH TO DATE 2.44 1.23 1.21 7.11 SINCE SEP 1 2.44 1.23 1.21 7.11 SINCE JAN 1 21.15 27.63 -6.48 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 3 8 -5 11 MONTH TO DATE 142 105 37 103 SINCE SEP 1 142 105 37 103 SINCE JAN 1 1843 1416 427 1805 .................................................................. WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (120) AVERAGE WIND SPEED 4.2 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 77 600 AM LOWEST 28 300 PM AVERAGE 53 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 96 1931 1895 MINIMUM TEMPERATURE (F) 64 41 1917 SUNRISE AND SUNSET SEPTEMBER 12 2012.....SUNRISE 647 AM EDT SUNSET 720 PM EDT SEPTEMBER 13 2012.....SUNRISE 648 AM EDT SUNSET 719 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$