527
CDUS41 KLWX 150625
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT TUE SEP 15 2026
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 14 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 81 3:06 PM 95 2016 81 0 85
MINIMUM 65 11:59 PM 46 1911 65 0 65
AVERAGE 73 73 0 75
PRECIPITATION (IN)
YESTERDAY 0.00 4.07 1966 0.14 -0.14 0.00
MONTH TO DATE 2.28 1.81 0.47 2.50
SINCE SEP 1 2.28 1.81 0.47 2.50
SINCE JAN 1 23.84 29.72 -5.88 29.76
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 8 8 0 10
MONTH TO DATE 197 144 53 99
SINCE SEP 1 197 144 53 99
SINCE JAN 1 1806 1596 210 1564
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 10.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 12:00 AM
LOWEST 33 5:00 PM
AVERAGE 61
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1927
1930
MINIMUM TEMPERATURE (F) 65 43 1899
1902
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:50 AM EDT SUNSET 7:16 PM EDT
SEPTEMBER 16 2026.....SUNRISE 6:50 AM EDT SUNSET 7:15 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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