National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2025-07-12 06:24 UTC
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451
CDUS41 KLWX 120624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT SAT JUL 12 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 11 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 90 3:41 PM 98 1988 88 2 91
MINIMUM 69 4:45 AM 52 1983 67 2 66
AVERAGE 80 77 3 79
PRECIPITATION (IN)
YESTERDAY 0.33 3.71 2013 0.13 0.20 0.00
MONTH TO DATE 1.17 1.49 -0.32 1.06
SINCE JUN 1 8.10 5.79 2.31 1.75
SINCE JAN 1 22.02 23.03 -1.01 19.05
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 15 12 3 14
MONTH TO DATE 156 130 26 187
SINCE JUN 1 477 368 109 541
SINCE JAN 1 595 474 121 724
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 2.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 57 3:00 PM
AVERAGE 79
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 97 1986
MINIMUM TEMPERATURE (F) 67 47 2002
SUNRISE AND SUNSET
JULY 12 2025..........SUNRISE 5:55 AM EDT SUNSET 8:36 PM EDT
JULY 13 2025..........SUNRISE 5:55 AM EDT SUNSET 8:35 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$