088
CDUS41 KLWX 112131
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
531 PM EDT THU SEP 11 2025
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 11 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 81 2:35 PM 98 1983 82 -1 86
MINIMUM 66 4:52 AM 40 1917 66 0 64
AVERAGE 74 74 0 75
PRECIPITATION (IN)
TODAY T 1.85 1882 0.13 -0.13 0.00
MONTH TO DATE 2.50 1.41 1.09 0.02
SINCE SEP 1 2.50 1.41 1.09 0.02
SINCE JAN 1 29.76 29.32 0.44 29.11
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 9 9 0 10
MONTH TO DATE 74 118 -44 72
SINCE SEP 1 74 118 -44 72
SINCE JAN 1 1539 1570 -31 1787
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 54 3:00 PM
AVERAGE 74
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 2019
MINIMUM TEMPERATURE (F) 66 41 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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