Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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793 CDUS41 KLWX 192126 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 526 PM EDT THU SEP 19 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 19 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 82 2:22 PM 93 1977 78 4 77 1978 MINIMUM 68 5:46 AM 36 1984 57 11 54 AVERAGE 75 68 7 66 PRECIPITATION (IN) TODAY 0.00 1.26 2000 0.14 -0.14 0.00 MONTH TO DATE 0.61 2.47 -1.86 3.61 SINCE SEP 1 0.61 2.47 -1.86 3.61 SINCE JAN 1 26.39 31.69 -5.30 22.83 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 MM 0.0 MONTH TO DATE 0.0 0.0 0.0 T SINCE SEP 1 0.0 0.0 0.0 T SINCE JUL 1 0.0 0.0 0.0 T SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 0 2 -2 0 MONTH TO DATE 11 12 -1 1 SINCE SEP 1 11 12 -1 1 SINCE JUL 1 13 13 0 1 COOLING TODAY 10 4 6 1 MONTH TO DATE 77 120 -43 205 SINCE SEP 1 77 120 -43 205 SINCE JAN 1 1491 1176 315 1320 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 6.0 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 56 1:00 PM AVERAGE 70 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 91 1965 MINIMUM TEMPERATURE (F) 56 40 1979 SUNRISE AND SUNSET SEPTEMBER 19 2024.....SUNRISE 6:55 AM EDT SUNSET 7:11 PM EDT SEPTEMBER 20 2024.....SUNRISE 6:56 AM EDT SUNSET 7:09 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$