Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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609 CDUS41 KLWX 300525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 125 AM EDT MON SEP 30 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 29 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 71 2:15 PM 89 2019 74 -3 69 MINIMUM 66 11:59 PM 34 1978 52 14 61 AVERAGE 69 63 6 65 PRECIPITATION (IN) YESTERDAY T 2.23 1963 0.14 -0.14 0.01 MONTH TO DATE 3.01 3.79 -0.78 6.65 SINCE SEP 1 3.01 3.79 -0.78 6.65 SINCE JAN 1 28.79 33.01 -4.22 25.87 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 4 -4 0 MONTH TO DATE 12 39 -27 16 SINCE SEP 1 12 39 -27 16 SINCE JUL 1 14 40 -26 16 COOLING YESTERDAY 4 2 2 0 MONTH TO DATE 137 149 -12 211 SINCE SEP 1 137 149 -12 211 SINCE JAN 1 1551 1205 346 1326 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 7.4 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 7:00 AM LOWEST 87 11:00 AM AVERAGE 92 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 92 1986 MINIMUM TEMPERATURE (F) 52 35 1993 SUNRISE AND SUNSET SEPTEMBER 30 2024.....SUNRISE 7:05 AM EDT SUNSET 6:53 PM EDT OCTOBER 1 2024.......SUNRISE 7:06 AM EDT SUNSET 6:52 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$