Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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483 CDUS41 KLWX 120526 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 126 AM EDT THU SEP 12 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 11 2024... 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) YESTERDAY MAXIMUM 86 1:39 PM 99 1983 81 5 88 MINIMUM 55 6:33 AM 40 1976 60 -5 69 AVERAGE 71 70 1 79 PRECIPITATION (IN) YESTERDAY 0.00 1.45 2023 0.13 -0.13 1.45 MONTH TO DATE T 1.35 -1.35 2.69 SINCE SEP 1 T 1.35 -1.35 2.69 SINCE JAN 1 25.78 30.57 -4.79 21.91 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 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 YESTERDAY 0 1 -1 0 MONTH TO DATE 11 2 9 0 SINCE SEP 1 11 2 9 0 SINCE JUL 1 13 3 10 0 COOLING YESTERDAY 6 6 0 14 MONTH TO DATE 29 80 -51 165 SINCE SEP 1 29 80 -51 165 SINCE JAN 1 1443 1136 307 1280 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 2.6 SKY COVER AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 7:00 AM LOWEST 36 2:00 PM AVERAGE 65 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 95 1998 2019 MINIMUM TEMPERATURE (F) 60 40 1967 SUNRISE AND SUNSET SEPTEMBER 12 2024.....SUNRISE 6:49 AM EDT SUNSET 7:22 PM EDT SEPTEMBER 13 2024.....SUNRISE 6:50 AM EDT SUNSET 7:20 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$