Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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512 CDUS41 KLWX 210522 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 122 AM EDT SAT SEP 21 2024 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 86 2:58 PM 94 1895 79 7 81 MINIMUM 65 6:21 AM 41 1916 63 2 58 AVERAGE 76 71 5 70 PRECIPITATION (IN) YESTERDAY 0.00 1.43 1938 0.13 -0.13 0.00 MONTH TO DATE 0.45 2.65 -2.20 1.34 SINCE SEP 1 0.45 2.65 -2.20 1.34 SINCE JAN 1 29.54 30.56 -1.02 23.83 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 1 -1 0 MONTH TO DATE 0 1 -1 0 SINCE SEP 1 0 1 -1 0 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 11 6 5 5 MONTH TO DATE 161 188 -27 250 SINCE SEP 1 161 188 -27 250 SINCE JAN 1 1876 1640 236 1587 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 5.7 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 3:00 AM LOWEST 42 3:00 PM AVERAGE 63 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 96 1895 MINIMUM TEMPERATURE (F) 62 41 1956 SUNRISE AND SUNSET SEPTEMBER 21 2024.....SUNRISE 6:55 AM EDT SUNSET 7:06 PM EDT SEPTEMBER 22 2024.....SUNRISE 6:56 AM EDT SUNSET 7:04 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$