Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 012124
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT MON SEP 01 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 1 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 2:15 PM 99 1953 85 -4 86
1980
MINIMUM 57 4:32 AM 50 1890 69 -12 73
AVERAGE 69 77 -8 80
PRECIPITATION (IN)
TODAY 0.00 5.16 1922 0.12 -0.12 0.01
MONTH TO DATE 0.00 0.12 -0.12 0.01
SINCE SEP 1 0.00 0.12 -0.12 0.01
SINCE JAN 1 27.26 28.03 -0.77 29.10
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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 4 12 -8 15
MONTH TO DATE 4 12 -8 15
SINCE SEP 1 4 12 -8 15
SINCE JAN 1 1469 1464 5 1730
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 6:00 AM
LOWEST 36 12:00 PM
AVERAGE 60
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 101 1980
MINIMUM TEMPERATURE (F) 68 50 1892
1895
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:37 AM EDT SUNSET 7:38 PM EDT
SEPTEMBER 2 2025.....SUNRISE 6:38 AM EDT SUNSET 7:36 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$