000 CDUS41 KLWX 230521 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 120 AM EDT SUN SEP 23 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 22 2007... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2007 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 89 427 PM 94 1980 77 12 70 1970 MINIMUM 71 1159 PM 38 1997 53 18 46 1991 AVERAGE 80 65 15 58 PRECIPITATION (IN) YESTERDAY T 1.57 1982 0.13 -0.13 0.00 MONTH TO DATE 0.81 2.86 -2.05 6.42 SINCE SEP 1 0.81 2.86 -2.05 6.42 SINCE JAN 1 18.45 31.09 -12.64 33.41 SNOWFALL (IN) YESTERDAY 0.0 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 3 -3 7 MONTH TO DATE 26 27 -1 29 SINCE SEP 1 26 27 -1 29 SINCE JUL 1 26 32 -6 29 COOLING YESTERDAY 15 3 12 0 MONTH TO DATE 167 112 55 62 SINCE SEP 1 167 112 55 62 SINCE JAN 1 1432 1037 395 1223 .................................................................. WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 4.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 90 400 AM LOWEST 43 400 PM AVERAGE 67 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 77 93 2005 MINIMUM TEMPERATURE (F) 53 33 1983 SUNRISE AND SUNSET SEPTEMBER 23 2007.....SUNRISE 658 AM EDT SUNSET 706 PM EDT SEPTEMBER 24 2007.....SUNRISE 659 AM EDT SUNSET 704 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$