National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2025-02-01 05:26 UTC
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677
CDUS41 KLWX 010526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST SAT FEB 01 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 31 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 51 9:27 PM 66 2012 43 8 43
MINIMUM 41 3:53 AM -7 1965 25 16 29
AVERAGE 46 34 12 36
PRECIPITATION (IN)
YESTERDAY 0.84R 0.68 1985 0.09 0.75 T
MONTH TO DATE 2.00 2.94 -0.94 6.00
SINCE DEC 1 5.34 6.24 -0.90 11.75
SINCE JAN 1 2.00 2.94 -0.94 6.00
SNOWFALL (IN)
YESTERDAY 0.0 4.7 1985 0.3 -0.3 0.0
MONTH TO DATE 10.5 6.9 3.6 9.5
SINCE DEC 1 10.6 9.7 0.9 10.0
SINCE JUL 1 10.6 10.0 0.6 10.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 31 -12 29
MONTH TO DATE 1068 957 111 867
SINCE DEC 1 1897 1802 95 1542
SINCE JUL 1 2565 2702 -137 2313
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE DEC 1 0 0 0 3
SINCE JAN 1 0 0 0 3
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 PM
LOWEST 67 12:00 AM
AVERAGE 82
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 75 2002
MINIMUM TEMPERATURE (F) 25 2 1965
SUNRISE AND SUNSET
FEBRUARY 1 2025......SUNRISE 7:16 AM EST SUNSET 5:31 PM EST
FEBRUARY 2 2025......SUNRISE 7:15 AM EST SUNSET 5:33 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$