787 CDUS41 KLWX 200530 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 129 AM EDT THU SEP 20 2012 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 19 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 72 410 PM 96 1895 78 -6 70 MINIMUM 59 1145 PM 44 1916 61 -2 60 AVERAGE 66 70 -4 65 PRECIPITATION (IN) YESTERDAY 0.00 1.23 1875 0.14 -0.14 0.00 MONTH TO DATE 3.51 2.29 1.22 7.14 SINCE SEP 1 3.51 2.29 1.22 7.14 SINCE JAN 1 22.22 28.69 -6.47 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 1 -1 0 MONTH TO DATE 0 4 -4 14 SINCE SEP 1 0 4 -4 14 SINCE JUL 1 0 4 -4 14 COOLING YESTERDAY 1 6 -5 0 MONTH TO DATE 183 159 24 135 SINCE SEP 1 183 159 24 135 SINCE JAN 1 1884 1470 414 1837 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 67 100 AM LOWEST 35 300 PM AVERAGE 51 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 94 1895 MINIMUM TEMPERATURE (F) 61 41 1916 SUNRISE AND SUNSET SEPTEMBER 20 2012.....SUNRISE 654 AM EDT SUNSET 708 PM EDT SEPTEMBER 21 2012.....SUNRISE 655 AM EDT SUNSET 706 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$