033
CDUS41 KLWX 180636
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
236 AM EDT TUE AUG 18 2026
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 17 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 94 3:33 PM 105 1997 88 6 96
MINIMUM 74 5:27 AM 51 1902 71 3 75
AVERAGE 84 80 4 86
PRECIPITATION (IN)
YESTERDAY T 2.39 1879 0.10 -0.10 0.01
MONTH TO DATE 3.48 1.78 1.70 0.04
SINCE JUN 1 8.74 10.31 -1.57 9.06
SINCE JAN 1 20.77 26.44 -5.67 27.10
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 19 14 5 21
MONTH TO DATE 287 260 27 227
SINCE JUN 1 1199 1099 100 1149
SINCE JAN 1 1423 1266 157 1350
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 51 4:00 PM
AVERAGE 73
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 2002
MINIMUM TEMPERATURE (F) 71 54 1902
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:25 AM EDT SUNSET 7:59 PM EDT
AUGUST 19 2026........SUNRISE 6:26 AM EDT SUNSET 7:57 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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