000 CDUS41 KLWX 010537 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 137 AM EDT SUN APR 1 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 31 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 64 126 PM 85 1998 61 3 79 MINIMUM 37 349 AM 17 1964 36 1 45 AVERAGE 51 48 3 62 PRECIPITATION (IN) YESTERDAY 0.00 0.95 1976 0.11 -0.11 T MONTH TO DATE 2.93 3.55 -0.62 0.07 SINCE MAR 1 2.93 3.55 -0.62 0.07 SINCE JAN 1 7.58 9.37 -1.79 4.85 SNOWFALL (IN) YESTERDAY 0.0 T 0.0 MONTH TO DATE 3.1 3.4 -0.3 SINCE AUG 1 14.5 20.8 -6.3 SINCE JUL 1 14.5 20.8 -6.3 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 14 17 -3 3 MONTH TO DATE 580 670 -90 589 SINCE MAR 1 580 670 -90 589 SINCE JUL 1 3956 4430 -474 3817 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 8 4 4 3 SINCE MAR 1 8 4 4 3 SINCE JAN 1 8 4 4 3 .................................................................. WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 5.9 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 82 500 AM LOWEST 30 1200 PM AVERAGE 56 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 85 1978 MINIMUM TEMPERATURE (F) 36 17 1969 SUNRISE AND SUNSET APRIL 1 2007.........SUNRISE 655 AM EDT SUNSET 733 PM EDT APRIL 2 2007.........SUNRISE 653 AM EDT SUNSET 734 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$