610
CDUS41 KLWX 050527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST WED FEB 05 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 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 60 10:45 AM 70 1991 44 16 54
MINIMUM 34 10:48 PM 4 1965 25 9 26
1996
AVERAGE 47 34 13 40
PRECIPITATION (IN)
YESTERDAY 0.00 2.17 1998 0.10 -0.10 0.00
MONTH TO DATE 0.00 0.38 -0.38 T
SINCE DEC 1 5.34 6.62 -1.28 11.75
SINCE JAN 1 2.00 3.32 -1.32 6.00
SNOWFALL (IN)
YESTERDAY 0.0 6.2 1995 0.3 -0.3 0.0
MONTH TO DATE 0.0 1.2 -1.2 0.0
SINCE DEC 1 10.6 10.9 -0.3 10.0
SINCE JUL 1 10.6 11.2 -0.6 10.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 18 30 -12 25
MONTH TO DATE 102 123 -21 92
SINCE DEC 1 1999 1932 67 1634
SINCE JUL 1 2667 2832 -165 2405
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 3
SINCE JAN 1 0 0 0 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 7:00 AM
LOWEST 36 6:00 PM
AVERAGE 61
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 73 1991
MINIMUM TEMPERATURE (F) 25 -10 1996
SUNRISE AND SUNSET
FEBRUARY 5 2025......SUNRISE 7:12 AM EST SUNSET 5:36 PM EST
FEBRUARY 6 2025......SUNRISE 7:11 AM EST SUNSET 5:37 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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