Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 310634
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
234 AM EDT SUN AUG 31 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 30 2025...
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)
YESTERDAY
MAXIMUM 78 4:18 PM 99 1953 86 -8 76
MINIMUM 59 6:16 AM 50 1896 69 -10 72
1986
AVERAGE 69 77 -8 74
PRECIPITATION (IN)
YESTERDAY 0.00 2.01 1978 0.11 -0.11 0.03
MONTH TO DATE 0.20 3.15 -2.95 4.57
SINCE JUN 1 9.22 11.68 -2.46 10.54
SINCE JAN 1 27.26 27.81 -0.55 29.08
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 JUN 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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 8 4 4 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 4 12 -8 9
MONTH TO DATE 337 435 -98 439
SINCE JUN 1 1259 1274 -15 1478
SINCE JAN 1 1460 1441 19 1703
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 6:00 AM
LOWEST 30 2:00 PM
AVERAGE 43
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 100 1932
1953
MINIMUM TEMPERATURE (F) 69 49 1934
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:36 AM EDT SUNSET 7:39 PM EDT
SEPTEMBER 1 2025.....SUNRISE 6:37 AM EDT SUNSET 7:38 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$