000 CDUS41 KLWX 160523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT MON APR 16 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 15 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 47 427 PM 87 1967 66 -19 82 MINIMUM 42 1159 PM 28 1997 40 2 60 1971 AVERAGE 45 53 -8 71 PRECIPITATION (IN) YESTERDAY 1.93 1.96 1983 0.10 1.83 0.00 MONTH TO DATE 3.10 1.56 1.54 1.19 SINCE MAR 1 6.03 5.11 0.92 1.26 SINCE JAN 1 10.68 10.93 -0.25 6.04 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 20 12 8 0 MONTH TO DATE 282 213 69 115 SINCE MAR 1 862 883 -21 704 SINCE JUL 1 4238 4643 -405 3932 COOLING YESTERDAY 0 0 0 6 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 36 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 14.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 300 AM LOWEST 62 1100 PM AVERAGE 81 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 91 2002 MINIMUM TEMPERATURE (F) 40 28 1981 SUNRISE AND SUNSET APRIL 16 2007.........SUNRISE 632 AM EDT SUNSET 748 PM EDT APRIL 17 2007.........SUNRISE 631 AM EDT SUNSET 749 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$