958
CDUS41 KLWX 170621
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT WED SEP 17 2025
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 16 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 72 11:01 AM 96 1991 81 -9 79
MINIMUM 61 8:04 PM 44 1902 64 -3 63
AVERAGE 67 72 -5 71
PRECIPITATION (IN)
YESTERDAY 0.82 4.76 1976 0.15 0.67 T
MONTH TO DATE 3.32 2.10 1.22 0.02
SINCE SEP 1 3.32 2.10 1.22 0.02
SINCE JAN 1 30.58 30.01 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 2 8 -6 6
MONTH TO DATE 110 160 -50 118
SINCE SEP 1 110 160 -50 118
SINCE JAN 1 1575 1612 -37 1833
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 13.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 PM
LOWEST 61 1:00 AM
AVERAGE 77
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 96 1991
MINIMUM TEMPERATURE (F) 64 44 1923
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 6:52 AM EDT SUNSET 7:13 PM EDT
SEPTEMBER 18 2025.....SUNRISE 6:52 AM EDT SUNSET 7:11 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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