775
CDUS41 KLWX 040630
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 AM EDT THU SEP 04 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 3 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 83 2:38 PM 98 1953 85 -2 77
MINIMUM 60 5:49 AM 48 1892 68 -8 60
1909
AVERAGE 72 76 -4 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.67 1974 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.38 -0.38 0.01
SINCE SEP 1 0.00 0.38 -0.38 0.01
SINCE JAN 1 27.26 28.29 -1.03 29.10
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 7 12 -5 4
MONTH TO DATE 16 36 -20 28
SINCE SEP 1 16 36 -20 28
SINCE JAN 1 1481 1488 -7 1743
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 37 1:00 PM
AVERAGE 62
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 2023
MINIMUM TEMPERATURE (F) 68 49 1872
1908
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:40 AM EDT SUNSET 7:33 PM EDT
SEPTEMBER 5 2025.....SUNRISE 6:41 AM EDT SUNSET 7:32 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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