Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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793 CDUS41 KLWX 202123 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 523 PM EDT FRI SEP 20 2024 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 2024... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY 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) TODAY 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) TODAY 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 TODAY 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 TODAY 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 10 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110) AVERAGE WIND SPEED 4.9 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. 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 TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 96 1895 MINIMUM TEMPERATURE (F) 62 41 1956 SUNRISE AND SUNSET SEPTEMBER 20 2024.....SUNRISE 6:54 AM EDT SUNSET 7:07 PM EDT SEPTEMBER 21 2024.....SUNRISE 6:55 AM EDT SUNSET 7:06 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$