525 CDUS41 KLWX 130539 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 137 AM EDT TUE APR 13 2004 ................................... ...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 12 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 46 531 PM 87 1977 65 -19 70 MINIMUM 43 826 AM 23 1982 39 4 47 AVERAGE 45 52 -7 59 PRECIPITATION (IN) YESTERDAY 1.45R 1.06 1966 0.10 1.35 0.00 MONTH TO DATE 3.17 1.26 1.91 1.60 SINCE MAR 1 5.22 4.81 0.41 5.31 SINCE JAN 1 8.56 10.63 -2.07 14.27 SNOWFALL (IN) YESTERDAY 0.0 1.0 1973 T 0.0 0.0 MONTH TO DATE 0.0 0.4 -0.4 T 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 20 13 7 6 MONTH TO DATE 218 176 42 189 SINCE MAR 1 792 846 -54 830 SINCE JUL 1 4517 4579 -62 4874 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 4 -4 0 SINCE JAN 1 0 4 -4 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 9.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 M800 AM LOWEST 86 M100 PM AVERAGE 91 .......................................................... THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 87 1977 MINIMUM TEMPERATURE (F) 39 24 1990 SUNRISE AND SUNSET APRIL 13 2004.........SUNRISE 636 AM EDT SUNSET 745 PM EDT APRIL 14 2004.........SUNRISE 634 AM EDT SUNSET 746 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$