000 CDUS41 KLWX 190533 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 130 AM EDT SUN MAY 19 2002 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 18 2002... CLIMATE NORMAL PERIOD 1971 TO 2000 SNOW/HEATING DEGREE DAYS 1961-1990 CLIMATE RECORD PERIOD 1962 TO 2002 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 62 1245 AM 91 1987 75 -13 68 MINIMUM 45 1159 PM 33 1973 51 -6 56 AVERAGE 54 63 -9 62 PRECIPITATION (IN) YESTERDAY 0.51 3.13 1988 0.14 0.37 0.65 MONTH TO DATE 1.92 2.40 -0.48 0.73 SINCE MAR 1 8.85 9.17 -0.32 7.03 SINCE JAN 1 10.54 14.99 -4.45 11.24 SNOWFALL (IN) YESTERDAY MM MM MM MM MM MM MONTH TO DATE 0.0 MM MM 0.0 SINCE MAR 1 0.0 MM MM 1.0 SINCE JUL 1 2.6 MM MM 12.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 11 4 7 3 MONTH TO DATE 90 104 -14 80 SINCE MAR 1 987 1149 -162 1132 SINCE JUL 1 4036 4963 -927 5065 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 26 22 4 31 SINCE MAR 1 81 37 44 57 SINCE JAN 1 81 37 44 57 .................................................................. WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 12.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 400 AM LOWEST 51 500 PM AVERAGE 76 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 92 1997 MINIMUM TEMPERATURE (F) 51 38 1976 SUNRISE AND SUNSET MAY 19 2002...........SUNRISE 554 AM EDT SUNSET 819 PM EDT MAY 20 2002...........SUNRISE 553 AM EDT SUNSET 820 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT.