Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 300624
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT TUE SEP 30 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 29 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 2:49 PM 93 1954 76 2 72
MINIMUM 66 6:04 AM 40 1942 59 7 68
AVERAGE 72 67 5 70
PRECIPITATION (IN)
YESTERDAY T 2.68 1924 0.13 -0.13 0.05
MONTH TO DATE 3.72 3.79 -0.07 2.23
SINCE SEP 1 3.72 3.79 -0.07 2.23
SINCE JAN 1 30.98 31.70 -0.72 31.32
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 2 -2 0
MONTH TO DATE 0 12 -12 0
SINCE SEP 1 0 12 -12 0
SINCE JUL 1 0 12 -12 0
COOLING
YESTERDAY 7 4 3 5
MONTH TO DATE 219 234 -15 231
SINCE SEP 1 219 234 -15 231
SINCE JAN 1 1684 1686 -2 1946
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 66 1:00 PM
AVERAGE 80
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 1954
1986
MINIMUM TEMPERATURE (F) 59 38 1942
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:03 AM EDT SUNSET 6:52 PM EDT
OCTOBER 1 2025.......SUNRISE 7:04 AM EDT SUNSET 6:50 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$