Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 150525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST WED JAN 15 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 14 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 35 3:46 PM 72 1995 42 -7 46
MINIMUM 24 7:35 AM 5 1970 25 -1 27
AVERAGE 30 34 -4 37
PRECIPITATION (IN)
YESTERDAY T 1.79 2005 0.10 -0.10 T
MONTH TO DATE 0.81 1.32 -0.51 3.62
SINCE DEC 1 4.15 4.62 -0.47 9.37
SINCE JAN 1 0.81 1.32 -0.51 3.62
SNOWFALL (IN)
YESTERDAY T 0.3 1978 0.2 -0.2 T
MONTH TO DATE 8.8 2.4 6.4 T
SINCE DEC 1 8.9 5.2 3.7 0.5
SINCE JUL 1 8.9 5.5 3.4 0.5
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 35 31 4 28
MONTH TO DATE 481 430 51 360
SINCE DEC 1 1310 1275 35 1035
SINCE JUL 1 1978 2175 -197 1806
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 25 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 10:00 PM
LOWEST 32 3:00 PM
AVERAGE 49
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 68 2007
MINIMUM TEMPERATURE (F) 25 -7 1964
SUNRISE AND SUNSET
JANUARY 15 2025.......SUNRISE 7:27 AM EST SUNSET 5:12 PM EST
JANUARY 16 2025.......SUNRISE 7:26 AM EST SUNSET 5:13 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$