


Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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713 CDUS41 KLWX 150622 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 222 AM EDT TUE JUL 15 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 14 2025... 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) YESTERDAY MAXIMUM 89 2:22 PM 98 1993 88 1 98 2024 MINIMUM 74 11:59 PM 53 2009 67 7 74 AVERAGE 82 77 5 86 PRECIPITATION (IN) YESTERDAY 0.11 1.56 2002 0.14 -0.03 0.00 MONTH TO DATE 1.30 1.90 -0.60 1.74 SINCE JUN 1 8.23 6.20 2.03 2.43 SINCE JAN 1 22.15 23.44 -1.29 19.73 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 15 13 2 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 17 12 5 21 MONTH TO DATE 205 166 39 236 SINCE JUN 1 526 404 122 590 SINCE JAN 1 644 510 134 773 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 5.1 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 11:00 PM LOWEST 67 3:00 PM AVERAGE 84 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 99 2024 MINIMUM TEMPERATURE (F) 67 53 1981 1987 SUNRISE AND SUNSET JULY 15 2025..........SUNRISE 5:57 AM EDT SUNSET 8:34 PM EDT JULY 16 2025..........SUNRISE 5:58 AM EDT SUNSET 8:34 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$