Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 310526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST FRI JAN 31 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 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 54 3:39 PM 72 2013 43 11 44
MINIMUM 28 6:49 AM 2 1965 25 3 38
AVERAGE 41 34 7 41
PRECIPITATION (IN)
YESTERDAY 0.01 2.00 2013 0.10 -0.09 0.00
MONTH TO DATE 1.16 2.85 -1.69 6.00
SINCE DEC 1 4.50 6.15 -1.65 11.75
SINCE JAN 1 1.16 2.85 -1.69 6.00
SNOWFALL (IN)
YESTERDAY 0.0 6.3 2000 0.3 -0.3 0.0
MONTH TO DATE 10.5 6.6 3.9 9.5
SINCE DEC 1 10.6 9.4 1.2 10.0
SINCE JUL 1 10.6 9.7 0.9 10.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 31 -7 24
MONTH TO DATE 1049 926 123 838
SINCE DEC 1 1878 1771 107 1513
SINCE JUL 1 2546 2671 -125 2284
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 NW (310)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 7:00 AM
LOWEST 27 4:00 PM
AVERAGE 48
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 66 2012
MINIMUM TEMPERATURE (F) 25 -7 1965
SUNRISE AND SUNSET
JANUARY 31 2025.......SUNRISE 7:17 AM EST SUNSET 5:30 PM EST
FEBRUARY 1 2025......SUNRISE 7:16 AM EST SUNSET 5:31 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$