474 CDUS41 KLWX 200543 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 142 AM EDT THU MAY 20 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 19 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 77 414 PM 92 1997 75 2 71 MINIMUM 64 400 AM 36 2002 51 13 43 AVERAGE 71 63 8 57 PRECIPITATION (IN) YESTERDAY 0.02 1.18 1988 0.14 -0.12 0.00 MONTH TO DATE 2.00 2.54 -0.54 5.41 SINCE MAR 1 9.10 9.31 -0.21 11.83 SINCE JAN 1 12.44 15.13 -2.69 20.79 SNOWFALL (IN) YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0 2001 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 8 MONTH TO DATE 43 107 -64 116 SINCE MAR 1 953 1139 -186 1104 SINCE JUL 1 4678 4872 -194 5148 COOLING YESTERDAY 6 2 4 0 MONTH TO DATE 113 24 89 20 SINCE MAR 1 150 39 111 28 SINCE JAN 1 150 39 111 28 .................................................................. WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 3.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 M200 AM LOWEST 64 M200 PM AVERAGE 79 .......................................................... 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 2004...........SUNRISE 553 AM EDT SUNSET 820 PM EDT MAY 21 2004...........SUNRISE 552 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. $$