000 CDUS41 KLWX 180538 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 137 AM EDT FRI MAY 18 2007 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 17 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 70 446 PM 89 1986 75 -5 71 MINIMUM 52 442 AM 30 1984 50 2 47 AVERAGE 61 63 -2 59 PRECIPITATION (IN) YESTERDAY 0.00 1.22 1970 0.14 -0.14 0.01 MONTH TO DATE 0.22 2.26 -2.04 1.70 SINCE MAR 1 6.53 9.03 -2.50 6.63 SINCE JAN 1 11.18 14.85 -3.67 11.41 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 6 MONTH TO DATE 69 99 -30 87 SINCE MAR 1 1041 1131 -90 908 SINCE JUL 1 4417 4891 -474 4136 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 44 20 24 8 SINCE MAR 1 67 35 32 20 SINCE JAN 1 67 35 32 20 .................................................................. WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 6.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 400 AM LOWEST 33 500 PM AVERAGE 62 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 91 1987 MINIMUM TEMPERATURE (F) 51 33 1973 SUNRISE AND SUNSET MAY 18 2007...........SUNRISE 555 AM EDT SUNSET 818 PM EDT MAY 19 2007...........SUNRISE 554 AM EDT SUNSET 819 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$