373
CDUS41 KLWX 080621
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT MON SEP 08 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 7 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 3:40 PM 104 1881 84 -6 77
MINIMUM 61 11:54 PM 46 1924 67 -6 62
AVERAGE 70 75 -5 70
PRECIPITATION (IN)
YESTERDAY 0.61 3.78 1934 0.13 0.48 0.01
MONTH TO DATE 2.30 0.89 1.41 0.02
SINCE SEP 1 2.30 0.89 1.41 0.02
SINCE JAN 1 29.56 28.80 0.76 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 5 10 -5 5
MONTH TO DATE 60 79 -19 49
SINCE SEP 1 60 79 -19 49
SINCE JAN 1 1525 1531 -6 1764
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 33 5:00 PM
AVERAGE 63
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 1939
MINIMUM TEMPERATURE (F) 67 52 1988
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:44 AM EDT SUNSET 7:27 PM EDT
SEPTEMBER 9 2025.....SUNRISE 6:44 AM EDT SUNSET 7:25 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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