320
CDUS41 KLWX 210628
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EDT MON SEP 21 2026
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 1:07 PM 94 1895 79 5 77
MINIMUM 73 7:57 AM 41 1916 63 10 68
AVERAGE 79 71 8 73
PRECIPITATION (IN)
YESTERDAY T 1.43 1938 0.13 -0.13 T
MONTH TO DATE 2.28 2.65 -0.37 3.36
SINCE SEP 1 2.28 2.65 -0.37 3.36
SINCE JAN 1 23.84 30.56 -6.72 30.62
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 1 -1 0
MONTH TO DATE 0 1 -1 0
SINCE SEP 1 0 1 -1 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 14 6 8 8
MONTH TO DATE 262 188 74 140
SINCE SEP 1 262 188 74 140
SINCE JAN 1 1871 1640 231 1605
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 7:00 PM
LOWEST 62 10:00 AM
AVERAGE 72
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 1895
MINIMUM TEMPERATURE (F) 62 41 1956
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:55 AM EDT SUNSET 7:07 PM EDT
SEPTEMBER 22 2026.....SUNRISE 6:56 AM EDT SUNSET 7:05 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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