Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 190624
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT TUE AUG 19 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 18 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 77 12:17 AM 98 2002 88 -11 87
MINIMUM 68 7:15 PM 54 1902 71 -3 73
AVERAGE 73 79 -6 80
PRECIPITATION (IN)
YESTERDAY 0.01 1.67 1875 0.10 -0.09 0.00
MONTH TO DATE 0.05 1.88 -1.83 3.64
SINCE JUN 1 9.07 10.41 -1.34 9.61
SINCE JAN 1 27.11 26.54 0.57 28.15
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 8 4 4 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 8 14 -6 15
MONTH TO DATE 235 274 -39 295
SINCE JUN 1 1157 1113 44 1334
SINCE JAN 1 1358 1280 78 1559
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 12.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 4:00 AM
LOWEST 74 9:00 AM
AVERAGE 83
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 2002
2019
MINIMUM TEMPERATURE (F) 71 53 1924
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 6:26 AM EDT SUNSET 7:57 PM EDT
AUGUST 20 2025........SUNRISE 6:27 AM EDT SUNSET 7:56 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$