Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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010
CDUS41 KLWX 230624
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT TUE SEP 23 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 22 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 3:57 PM 98 1895 79 -1 77
MINIMUM 62 6:25 AM 39 1904 62 0 67
AVERAGE 70 70 0 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.53 1994 0.12 -0.12 0.32
MONTH TO DATE 3.36 2.90 0.46 0.77
SINCE SEP 1 3.36 2.90 0.46 0.77
SINCE JAN 1 30.62 30.81 -0.19 29.86
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 0 1 -1 0
MONTH TO DATE 0 3 -3 0
SINCE SEP 1 0 3 -3 0
SINCE JUL 1 0 3 -3 0
COOLING
YESTERDAY 5 6 -1 7
MONTH TO DATE 150 200 -50 179
SINCE SEP 1 150 200 -50 179
SINCE JAN 1 1615 1652 -37 1894
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 5:00 AM
LOWEST 58 1:00 PM
AVERAGE 72
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 98 1895
MINIMUM TEMPERATURE (F) 62 36 1904
SUNRISE AND SUNSET
SEPTEMBER 23 2025.....SUNRISE 6:57 AM EDT SUNSET 7:03 PM EDT
SEPTEMBER 24 2025.....SUNRISE 6:58 AM EDT SUNSET 7:01 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$