000 CDUS41 KLWX 231403 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1002 AM EDT MON APR 23 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 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 83 353 PM 92 1985 68 15 71 MINIMUM 39 534 AM 27 1975 42 -3 52 AVERAGE 61 55 6 62 PRECIPITATION (IN) YESTERDAY 0.00 2.88 2006 0.11 -0.11 2.88 MONTH TO DATE 3.11 2.31 0.80 4.69 SINCE MAR 1 6.04 5.86 0.18 4.76 SINCE JAN 1 10.69 11.68 -0.99 9.54 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 4 10 -6 3 MONTH TO DATE 372 290 82 160 SINCE MAR 1 952 960 -8 749 SINCE JUL 1 4328 4720 -392 3977 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 3 -3 9 SINCE MAR 1 8 7 1 12 SINCE JAN 1 8 7 1 12 .................................................................. WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 2.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 400 AM LOWEST 16 300 PM AVERAGE 53 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 88 2001 MINIMUM TEMPERATURE (F) 42 30 1989 SUNRISE AND SUNSET APRIL 23 2007.........SUNRISE 623 AM EDT SUNSET 754 PM EDT APRIL 24 2007.........SUNRISE 621 AM EDT SUNSET 755 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$