


Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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616 CDUS41 KLWX 192125 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 525 PM EDT SAT APR 19 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 82 3:59 PM 91 2002 68 14 57 MINIMUM 67 8:19 AM 27 1990 44 23 53 2001 AVERAGE 75 56 19 55 PRECIPITATION (IN) TODAY 0.00 1.26 2019 0.11 -0.11 0.01 MONTH TO DATE 1.37 2.09 -0.72 1.44 SINCE MAR 1 2.79 5.59 -2.80 5.33 SINCE JAN 1 7.21 11.14 -3.93 12.78 SNOWFALL (IN) TODAY 0.0 T 2022 0.0 0.0 0.0 MONTH TO DATE 0.0 0.1 -0.1 T SINCE MAR 1 0.0 4.0 -4.0 T SINCE JUL 1 15.5 21.0 -5.5 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 9 -9 10 MONTH TO DATE 217 235 -18 144 SINCE MAR 1 667 882 -215 608 SINCE JUL 1 3989 4392 -403 3572 COOLING TODAY 10 1 9 0 MONTH TO DATE 12 8 4 19 SINCE MAR 1 29 10 19 19 SINCE JAN 1 29 10 19 22 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 15.2 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 65 11:00 AM LOWEST 46 4:00 PM AVERAGE 56 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 88 1976 1985 2023 MINIMUM TEMPERATURE (F) 45 28 1974 SUNRISE AND SUNSET APRIL 19 2025.........SUNRISE 6:27 AM EDT SUNSET 7:51 PM EDT APRIL 20 2025.........SUNRISE 6:26 AM EDT SUNSET 7:52 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$