Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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547 CDUS41 KLWX 092131 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 531 PM EDT THU MAY 09 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 9 2024... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 74 2:57 PM 91 1963 74 0 68 MINIMUM 60 2:13 AM 30 1976 51 9 49 AVERAGE 67 62 5 59 PRECIPITATION (IN) TODAY T 0.93 1974 0.15 -0.15 0.14 MONTH TO DATE 1.50 1.29 0.21 0.66 SINCE MAR 1 7.13 8.26 -1.13 5.53 SINCE JAN 1 14.58 13.81 0.77 9.16 SNOWFALL (IN) TODAY 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 4.0 -4.0 T SINCE JUL 1 11.7 21.0 -9.3 0.4 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 5 -5 6 MONTH TO DATE 15 49 -34 75 SINCE MAR 1 694 1016 -322 858 SINCE JUL 1 3658 4526 -868 3822 COOLING TODAY 2 2 0 0 MONTH TO DATE 42 14 28 5 SINCE MAR 1 86 36 50 50 SINCE JAN 1 89 36 53 50 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 4.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 81 2:00 AM LOWEST 53 10:00 AM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 90 1963 MINIMUM TEMPERATURE (F) 51 31 1966 1983 SUNRISE AND SUNSET MAY 9 2024...........SUNRISE 6:02 AM EDT SUNSET 8:11 PM EDT MAY 10 2024...........SUNRISE 6:01 AM EDT SUNSET 8:12 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$