Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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408 CDUS41 KLWX 050520 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 120 AM EDT THU SEP 05 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 4 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 3:43 PM 99 2023 83 -6 99 MINIMUM 51 3:31 AM 48 1997 62 -11 70 AVERAGE 64 73 -9 85 PRECIPITATION (IN) YESTERDAY 0.00 1.29 1996 0.12 -0.12 0.00 MONTH TO DATE 0.00 0.49 -0.49 0.00 SINCE SEP 1 0.00 0.49 -0.49 0.00 SINCE JAN 1 25.78 29.71 -3.93 19.22 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 1 0 1 0 MONTH TO DATE 2 0 2 0 SINCE SEP 1 2 0 2 0 SINCE JUL 1 4 1 3 0 COOLING YESTERDAY 0 8 -8 20 MONTH TO DATE 15 32 -17 49 SINCE SEP 1 15 32 -17 49 SINCE JAN 1 1429 1088 341 1164 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 4.6 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 4:00 AM LOWEST 39 3:00 PM AVERAGE 64 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 99 2023 MINIMUM TEMPERATURE (F) 62 42 1997 SUNRISE AND SUNSET SEPTEMBER 5 2024.....SUNRISE 6:43 AM EDT SUNSET 7:33 PM EDT SEPTEMBER 6 2024.....SUNRISE 6:44 AM EDT SUNSET 7:32 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$