National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2025-07-14 06:23 UTC
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054
CDUS41 KLWX 140623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT MON JUL 14 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 13 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 89 1:10 PM 97 1966 88 1 93
1986
MINIMUM 73 4:38 AM 52 1978 67 6 73
AVERAGE 81 77 4 83
PRECIPITATION (IN)
YESTERDAY T 1.30 1975 0.14 -0.14 0.00
MONTH TO DATE 1.19 1.76 -0.57 1.74
SINCE JUN 1 8.12 6.06 2.06 2.43
SINCE JAN 1 22.04 23.30 -1.26 19.73
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 MM
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 16 12 4 18
MONTH TO DATE 188 154 34 215
SINCE JUN 1 509 392 117 569
SINCE JAN 1 627 498 129 752
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 63 1:00 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1993
2024
MINIMUM TEMPERATURE (F) 67 53 2009
SUNRISE AND SUNSET
JULY 14 2025..........SUNRISE 5:56 AM EDT SUNSET 8:35 PM EDT
JULY 15 2025..........SUNRISE 5:57 AM EDT SUNSET 8:34 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$