Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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715 CDUS41 KLWX 162120 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 520 PM EDT MON SEP 16 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 16 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 77 2:24 PM 97 1991 79 -2 84 MINIMUM 60 6:30 AM 37 1984 58 2 49 AVERAGE 69 69 0 67 PRECIPITATION (IN) TODAY 0.00 2.05 1999 0.15 -0.15 0.00 MONTH TO DATE T 2.04 -2.04 3.50 SINCE SEP 1 T 2.04 -2.04 3.50 SINCE JAN 1 25.78 31.26 -5.48 22.72 SNOWFALL (IN) TODAY 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 TODAY 0 1 -1 0 MONTH TO DATE 11 7 4 0 SINCE SEP 1 11 7 4 0 SINCE JUL 1 13 8 5 0 COOLING TODAY 4 5 -1 2 MONTH TO DATE 53 107 -54 199 SINCE SEP 1 53 107 -54 199 SINCE JAN 1 1467 1163 304 1314 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 7.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 6:00 AM LOWEST 50 2:00 PM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 97 1991 MINIMUM TEMPERATURE (F) 58 35 1986 SUNRISE AND SUNSET SEPTEMBER 16 2024.....SUNRISE 6:53 AM EDT SUNSET 7:16 PM EDT SEPTEMBER 17 2024.....SUNRISE 6:53 AM EDT SUNSET 7:14 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$