National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2025-07-05 06:30 UTC
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071
CDUS41 KLWX 050630
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 AM EDT SAT JUL 05 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 4 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 4:17 PM 97 1999 87 -1 95
2002
MINIMUM 64 11:47 PM 48 1986 66 -2 72
AVERAGE 75 77 -2 84
PRECIPITATION (IN)
YESTERDAY 0.00 1.87 2001 0.14 -0.14 0.68
MONTH TO DATE 0.39 0.56 -0.17 0.68
SINCE JUN 1 7.32 4.86 2.46 1.37
SINCE JAN 1 21.24 22.10 -0.86 18.67
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 15 13 2 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 12 -2 19
MONTH TO DATE 53 46 7 45
SINCE JUN 1 374 284 90 399
SINCE JAN 1 492 390 102 582
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 11:00 PM
LOWEST 31 2:00 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 1990
1999
MINIMUM TEMPERATURE (F) 66 50 1971
1996
SUNRISE AND SUNSET
JULY 5 2025..........SUNRISE 5:50 AM EDT SUNSET 8:38 PM EDT
JULY 6 2025..........SUNRISE 5:51 AM EDT SUNSET 8:38 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$