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Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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784 CDUS41 KLWX 152128 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 528 PM EDT THU AUG 15 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 15 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 89 3:29 PM 102 1988 87 2 93 MINIMUM 61 2:19 AM 45 1964 66 -5 72 AVERAGE 75 76 -1 83 PRECIPITATION (IN) TODAY 0.00 2.18 2019 0.11 -0.11 0.47 MONTH TO DATE 1.97 1.74 0.23 1.84 SINCE JUN 1 5.32 10.19 -4.87 9.23 SINCE JAN 1 22.62 27.43 -4.81 19.21 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 JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 13 -13 5 SINCE JUL 1 0 0 0 0 COOLING TODAY 10 11 -1 18 MONTH TO DATE 222 175 47 187 SINCE JUN 1 1075 791 284 842 SINCE JAN 1 1258 897 361 916 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20) AVERAGE WIND SPEED 4.6 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 2:00 AM LOWEST 35 3:00 PM AVERAGE 63 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 100 1997 MINIMUM TEMPERATURE (F) 65 46 1979 SUNRISE AND SUNSET AUGUST 15 2024........SUNRISE 6:24 AM EDT SUNSET 8:04 PM EDT AUGUST 16 2024........SUNRISE 6:25 AM EDT SUNSET 8:02 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$