000 CDUS41 KLWX 200539 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 138 AM EDT SUN MAY 20 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 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 73 505 PM 92 1997 75 -2 62 1996 MINIMUM 48 214 AM 36 2002 51 -3 49 AVERAGE 61 63 -2 56 PRECIPITATION (IN) YESTERDAY 0.00 1.18 1988 0.14 -0.14 0.03 MONTH TO DATE 0.23 2.54 -2.31 1.74 SINCE MAR 1 6.54 9.31 -2.77 6.67 SINCE JAN 1 11.19 15.13 -3.94 11.45 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 14.7 21.2 -6.5 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 4 4 0 9 MONTH TO DATE 83 107 -24 100 SINCE MAR 1 1055 1139 -84 921 SINCE JUL 1 4431 4899 -468 4149 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 44 24 20 8 SINCE MAR 1 67 39 28 20 SINCE JAN 1 67 39 28 20 .................................................................. WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 10.9 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 89 1200 AM LOWEST 23 400 PM AVERAGE 56 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 93 1996 MINIMUM TEMPERATURE (F) 51 36 2002 SUNRISE AND SUNSET MAY 20 2007...........SUNRISE 553 AM EDT SUNSET 820 PM EDT MAY 21 2007...........SUNRISE 553 AM EDT SUNSET 821 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$