101
CDUS41 KLWX 210632
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 AM EDT SUN SEP 21 2025
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 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 77 3:00 PM 94 1895 79 -2 86
MINIMUM 68 11:59 PM 41 1916 63 5 65
AVERAGE 73 71 2 76
PRECIPITATION (IN)
YESTERDAY T 1.43 1938 0.13 -0.13 0.00
MONTH TO DATE 3.36 2.65 0.71 0.45
SINCE SEP 1 3.36 2.65 0.71 0.45
SINCE JAN 1 30.62 30.56 0.06 29.54
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 1 -1 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 8 6 2 11
MONTH TO DATE 140 188 -48 161
SINCE SEP 1 140 188 -48 161
SINCE JAN 1 1605 1640 -35 1876
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1:00 AM
LOWEST 59 8:00 AM
AVERAGE 71
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 1895
MINIMUM TEMPERATURE (F) 62 41 1956
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 6:55 AM EDT SUNSET 7:06 PM EDT
SEPTEMBER 22 2025.....SUNRISE 6:56 AM EDT SUNSET 7:05 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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