554
CDUS41 KLWX 110727
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
327 AM EDT TUE AUG 11 2026
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 10 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 93 2:59 PM 98 1943 89 4 87
2010
MINIMUM 71 11:56 PM 55 1879 72 -1 64
1919
AVERAGE 82 80 2 76
PRECIPITATION (IN)
YESTERDAY 0.87 1.64 1878 0.10 0.77 0.00
MONTH TO DATE 3.14 1.10 2.04 T
SINCE JUN 1 8.40 9.63 -1.23 9.02
SINCE JAN 1 20.43 25.76 -5.33 27.06
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 JUN 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 JUN 1 0 4 -4 8
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 15 2 11
MONTH TO DATE 173 156 17 99
SINCE JUN 1 1085 995 90 1021
SINCE JAN 1 1309 1162 147 1222
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 4:00 PM
LOWEST 49 3:00 PM
AVERAGE 72
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 101 1900
MINIMUM TEMPERATURE (F) 72 56 1879
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 6:18 AM EDT SUNSET 8:08 PM EDT
AUGUST 12 2026........SUNRISE 6:19 AM EDT SUNSET 8:06 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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