Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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158 CDUS41 KLWX 172128 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 528 PM EDT TUE SEP 17 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 17 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 79 12:29 PM 97 1991 79 0 74 MINIMUM 66 4:11 AM 35 1986 58 8 54 AVERAGE 73 68 5 64 PRECIPITATION (IN) TODAY 0.03 1.71 2004 0.14 -0.11 0.11 MONTH TO DATE 0.03 2.18 -2.15 3.61 SINCE SEP 1 0.03 2.18 -2.15 3.61 SINCE JAN 1 25.81 31.40 -5.59 22.83 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 1 MONTH TO DATE 11 8 3 1 SINCE SEP 1 11 8 3 1 SINCE JUL 1 13 9 4 1 COOLING TODAY 8 5 3 0 MONTH TO DATE 61 112 -51 199 SINCE SEP 1 61 112 -51 199 SINCE JAN 1 1475 1168 307 1314 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 9.2 SKY COVER AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 5:00 AM LOWEST 64 11:00 AM AVERAGE 79 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 91 1978 MINIMUM TEMPERATURE (F) 57 37 1990 SUNRISE AND SUNSET SEPTEMBER 17 2024.....SUNRISE 6:53 AM EDT SUNSET 7:14 PM EDT SEPTEMBER 18 2024.....SUNRISE 6:54 AM EDT SUNSET 7:12 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$