759
CDUS41 KLWX 110624
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT THU SEP 11 2025
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 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 70 5:39 PM 98 1983 83 -13 87
MINIMUM 61 7:30 AM 44 1883 66 -5 59
AVERAGE 66 74 -8 73
PRECIPITATION (IN)
YESTERDAY 0.20 2.88 2020 0.13 0.07 0.00
MONTH TO DATE 2.50 1.28 1.22 0.02
SINCE SEP 1 2.50 1.28 1.22 0.02
SINCE JAN 1 29.76 29.19 0.57 29.11
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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 1 10 -9 8
MONTH TO DATE 65 109 -44 62
SINCE SEP 1 65 109 -44 62
SINCE JAN 1 1530 1561 -31 1777
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 PM
LOWEST 66 12:00 AM
AVERAGE 80
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1983
MINIMUM TEMPERATURE (F) 66 40 1917
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:46 AM EDT SUNSET 7:22 PM EDT
SEPTEMBER 12 2025.....SUNRISE 6:47 AM EDT SUNSET 7:21 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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