National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2025-07-01 06:26 UTC
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325
CDUS41 KLWX 010626
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT TUE JUL 01 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 30 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 92 3:13 PM 98 1964 87 5 97
MINIMUM 72 1:59 AM 51 1989 66 6 74
AVERAGE 82 76 6 86
PRECIPITATION (IN)
YESTERDAY T 1.25 1972 0.14 -0.14 0.05
MONTH TO DATE 6.93 4.30 2.63 0.69
SINCE JUN 1 6.93 4.30 2.63 0.69
SINCE JAN 1 20.85 21.54 -0.69 17.99
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 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 15 11 4 0
SINCE JUN 1 15 11 4 0
SINCE JUL 1 4106 4603 -497 3691
COOLING
YESTERDAY 17 11 6 21
MONTH TO DATE 321 238 83 354
SINCE JUN 1 321 238 83 354
SINCE JAN 1 439 344 95 537
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 5:00 AM
LOWEST 56 3:00 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 96 2012
MINIMUM TEMPERATURE (F) 66 41 1988
SUNRISE AND SUNSET
JULY 1 2025..........SUNRISE 5:48 AM EDT SUNSET 8:39 PM EDT
JULY 2 2025..........SUNRISE 5:49 AM EDT SUNSET 8:39 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$