000 CDUS41 KLWX 210524 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT SAT JUL 21 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 20 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 85 232 PM 101 1980 88 -3 89 MINIMUM 63 1145 PM 55 1974 64 -1 71 AVERAGE 74 76 -2 80 PRECIPITATION (IN) YESTERDAY 0.00 2.28 1970 0.11 -0.11 0.00 MONTH TO DATE 0.84 2.34 -1.50 2.19 SINCE JUN 1 3.76 6.41 -2.65 13.98 SINCE JAN 1 15.06 23.22 -8.16 25.49 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 0 0 0 MONTH TO DATE 0 1 -1 0 SINCE JUN 1 3 22 -19 4 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 9 12 -3 15 MONTH TO DATE 244 215 29 261 SINCE JUN 1 535 418 117 500 SINCE JAN 1 686 493 193 582 .................................................................. WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 10.0 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 79 200 AM LOWEST 29 300 PM AVERAGE 54 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 101 1991 MINIMUM TEMPERATURE (F) 65 48 1966 SUNRISE AND SUNSET JULY 21 2007..........SUNRISE 601 AM EDT SUNSET 831 PM EDT JULY 22 2007..........SUNRISE 602 AM EDT SUNSET 830 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$