000 CDUS41 KLWX 090556 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 155 AM EDT MON APR 9 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 8 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 45 356 PM 87 1991 64 -19 61 MINIMUM 27 123 AM 24 1970 38 -11 37 AVERAGE 36 51 -15 49 PRECIPITATION (IN) YESTERDAY 0.00 1.15 2000 0.10 -0.10 0.53 MONTH TO DATE 0.12 0.86 -0.74 1.11 SINCE MAR 1 3.05 4.41 -1.36 1.18 SINCE JAN 1 7.70 10.23 -2.53 5.96 SNOWFALL (IN) YESTERDAY 0.0 T 0.0 MONTH TO DATE 0.2 0.4 -0.2 SINCE AUG 1 14.7 21.2 -6.5 SINCE JUL 1 14.7 21.2 -6.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 29 14 15 16 MONTH TO DATE 133 122 11 67 SINCE MAR 1 713 792 -79 656 SINCE JUL 1 4089 4552 -463 3884 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 1 SINCE MAR 1 8 4 4 4 SINCE JAN 1 8 4 4 4 .................................................................. WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 9.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 53 1100 PM LOWEST 30 300 PM AVERAGE 42 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 89 2001 MINIMUM TEMPERATURE (F) 38 23 1977 SUNRISE AND SUNSET APRIL 9 2007.........SUNRISE 643 AM EDT SUNSET 741 PM EDT APRIL 10 2007.........SUNRISE 641 AM EDT SUNSET 742 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$