339 CDUS41 KLWX 170536 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 134 AM EDT MON MAY 17 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 16 2004... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1962 TO 2004 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 80 155 PM 90 1998 75 5 61 MINIMUM 65 412 AM 36 1973 50 15 51 AVERAGE 73 62 11 56 PRECIPITATION (IN) YESTERDAY 0.51 1.62 1983 0.14 0.37 0.27 MONTH TO DATE 1.97 2.12 -0.15 4.76 SINCE MAR 1 9.07 8.89 0.18 11.18 SINCE JAN 1 12.41 14.71 -2.30 20.14 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 T 3.8 -3.8 1.9 SINCE JUL 1 17.4 21.2 -3.8 50.1 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 4 -4 9 MONTH TO DATE 43 95 -52 79 SINCE MAR 1 953 1127 -174 1067 SINCE JUL 1 4678 4860 -182 5111 COOLING YESTERDAY 8 2 6 0 MONTH TO DATE 90 18 72 20 SINCE MAR 1 127 33 94 28 SINCE JAN 1 127 33 94 28 .................................................................. WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 2.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 54 M200 PM AVERAGE 77 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 89 1986 MINIMUM TEMPERATURE (F) 50 30 1984 SUNRISE AND SUNSET MAY 17 2004...........SUNRISE 555 AM EDT SUNSET 818 PM EDT MAY 18 2004...........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. $$