Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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584 CDUS41 KLWX 170530 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 130 AM EDT TUE SEP 17 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 16 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 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) YESTERDAY T 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) 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 7 4 0 SINCE SEP 1 11 7 4 0 SINCE JUL 1 13 8 5 0 COOLING YESTERDAY 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 (50) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 8.1 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 86 6:00 AM LOWEST 50 2:00 PM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 97 1991 MINIMUM TEMPERATURE (F) 58 35 1986 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. $$