Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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728 CDUS41 KLWX 110528 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 128 AM EDT WED SEP 11 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 10 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 85 2:25 PM 99 1983 82 3 84 MINIMUM 49 5:47 AM 43 1981 60 -11 67 AVERAGE 67 71 -4 76 PRECIPITATION (IN) YESTERDAY 0.00 1.50 1968 0.12 -0.12 T MONTH TO DATE T 1.22 -1.22 1.24 SINCE SEP 1 T 1.22 -1.22 1.24 SINCE JAN 1 25.78 30.44 -4.66 20.46 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 1 10 0 SINCE SEP 1 11 1 10 0 SINCE JUL 1 13 2 11 0 COOLING YESTERDAY 2 6 -4 11 MONTH TO DATE 23 74 -51 151 SINCE SEP 1 23 74 -51 151 SINCE JAN 1 1437 1130 307 1266 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 3.2 SKY COVER AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 5:00 AM LOWEST 34 5:00 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 99 1983 MINIMUM TEMPERATURE (F) 60 40 1976 SUNRISE AND SUNSET SEPTEMBER 11 2024.....SUNRISE 6:48 AM EDT SUNSET 7:24 PM EDT SEPTEMBER 12 2024.....SUNRISE 6:49 AM EDT SUNSET 7:22 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$