Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 010727
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EST MON DEC 01 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 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 41 11:00 PM 72 1991 51 -10 37
MINIMUM 34 9:57 AM 11 1976 32 2 20
AVERAGE 38 42 -4 29
PRECIPITATION (IN)
YESTERDAY 0.06 1.38 2020 0.11 -0.05 0.00
MONTH TO DATE 0.89 3.13 -2.24 1.85
SINCE SEP 1 4.24 10.72 -6.48 5.25
SINCE JAN 1 28.88 39.94 -11.06 31.03
SNOWFALL (IN)
YESTERDAY T 11.4 1967 0.0 0.0 0.0
MONTH TO DATE T 0.3 -0.3 T
SINCE SEP 1 T 0.3 -0.3 T
SINCE JUL 1 T 0.3 -0.3 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 27 23 4 36
MONTH TO DATE 533 569 -36 430
SINCE SEP 1 791 898 -107 666
SINCE JUL 1 793 899 -106 668
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 1 -1 16
SINCE SEP 1 182 175 7 172
SINCE JAN 1 1330 1231 99 1586
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
SLEET
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 8:00 PM
LOWEST 48 3:00 AM
AVERAGE 71
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 51 75 2006
MINIMUM TEMPERATURE (F) 32 4 1967
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 7:10 AM EST SUNSET 4:48 PM EST
DECEMBER 2 2025......SUNRISE 7:11 AM EST SUNSET 4:48 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$