000 CDUS41 KLWX 200549 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 147 AM EDT FRI APR 20 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 19 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 57 453 PM 91 2002 67 -10 75 MINIMUM 43 1136 PM 27 2001 41 2 44 1990 AVERAGE 50 54 -4 60 PRECIPITATION (IN) YESTERDAY T 0.75 1998 0.11 -0.11 0.00 MONTH TO DATE 3.11 1.98 1.13 1.61 SINCE MAR 1 6.04 5.53 0.51 1.68 SINCE JAN 1 10.69 11.35 -0.66 6.46 SNOWFALL (IN) YESTERDAY 0.0 0.0 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 15 11 4 5 MONTH TO DATE 350 259 91 149 SINCE MAR 1 930 929 1 738 SINCE JUL 1 4306 4689 -383 3966 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 9 SINCE MAR 1 8 4 4 12 SINCE JAN 1 8 4 4 12 .................................................................. WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 2.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 89 400 AM LOWEST 51 400 PM AVERAGE 70 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 88 1985 1976 MINIMUM TEMPERATURE (F) 41 28 1974 SUNRISE AND SUNSET APRIL 20 2007.........SUNRISE 627 AM EDT SUNSET 751 PM EDT APRIL 21 2007.........SUNRISE 625 AM EDT SUNSET 752 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$