Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 110622
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT MON AUG 11 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 10 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 87 3:42 PM 98 1943 89 -2 91
2010
MINIMUM 64 5:18 AM 55 1879 72 -8 72
1919
AVERAGE 76 80 -4 82
PRECIPITATION (IN)
YESTERDAY 0.00 1.64 1878 0.10 -0.10 0.43
MONTH TO DATE T 1.10 -1.10 3.45
SINCE JUN 1 9.02 9.63 -0.61 9.42
SINCE JAN 1 27.06 25.76 1.30 27.96
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 11 15 -4 17
MONTH TO DATE 99 156 -57 187
SINCE JUN 1 1021 995 26 1226
SINCE JAN 1 1222 1162 60 1451
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 38 12:00 PM
AVERAGE 63
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 101 1900
MINIMUM TEMPERATURE (F) 72 56 1879
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 6:18 AM EDT SUNSET 8:07 PM EDT
AUGUST 12 2025........SUNRISE 6:19 AM EDT SUNSET 8:06 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$