Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 080531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1231 AM EST WED JAN 08 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 7 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 34 2:50 PM 71 2008 43 -9 51
MINIMUM 22 7:50 AM -1 2018 26 -4 30
AVERAGE 28 34 -6 41
PRECIPITATION (IN)
YESTERDAY 0.00 1.56 1996 0.09 -0.09 0.00
MONTH TO DATE 0.69 0.65 0.04 0.98
SINCE DEC 1 4.03 3.95 0.08 6.73
SINCE JAN 1 0.69 0.65 0.04 0.98
SNOWFALL (IN)
YESTERDAY 0.0 19.8 1996 0.2 -0.2 0.0
MONTH TO DATE 6.2 1.0 5.2 T
SINCE DEC 1 6.3 3.8 2.5 0.5
SINCE JUL 1 6.3 4.1 2.2 0.5
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 37 31 6 24
MONTH TO DATE 231 213 18 197
SINCE DEC 1 1060 1058 2 872
SINCE JUL 1 1728 1958 -230 1643
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 18.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 12:00 AM
LOWEST 49 3:00 PM
AVERAGE 58
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 70 2008
MINIMUM TEMPERATURE (F) 26 -4 1970
SUNRISE AND SUNSET
JANUARY 8 2025.......SUNRISE 7:29 AM EST SUNSET 5:05 PM EST
JANUARY 9 2025.......SUNRISE 7:28 AM EST SUNSET 5:06 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$