301 CDUS41 KLWX 160533 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 133 AM EDT SUN SEP 16 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 15 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 78 251 PM 97 1930 80 -2 78 1927 MINIMUM 64 1142 PM 43 1902 63 1 54 1899 AVERAGE 71 71 0 66 PRECIPITATION (IN) YESTERDAY 0.00 2.52 1904 0.13 -0.13 0.03 MONTH TO DATE 2.44 1.74 0.70 7.14 SINCE SEP 1 2.44 1.74 0.70 7.14 SINCE JAN 1 21.15 28.14 -6.99 34.44 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 7 -1 1 MONTH TO DATE 169 134 35 135 SINCE SEP 1 169 134 35 135 SINCE JAN 1 1870 1445 425 1837 .................................................................. WIND (MPH) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (10) AVERAGE WIND SPEED 10.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 1200 AM LOWEST 33 200 PM AVERAGE 59 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 96 1991 MINIMUM TEMPERATURE (F) 63 44 1902 SUNRISE AND SUNSET SEPTEMBER 16 2012.....SUNRISE 651 AM EDT SUNSET 714 PM EDT SEPTEMBER 17 2012.....SUNRISE 652 AM EDT SUNSET 712 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$