Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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722
CDUS41 KLWX 100520
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1220 AM EST FRI JAN 10 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 9 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 34 4:21 PM 76 1937 45 -11 59
MINIMUM 23 4:53 AM 4 1970 30 -7 39
AVERAGE 29 38 -9 49
PRECIPITATION (IN)
YESTERDAY 0.00 2.24 2024 0.09 -0.09 2.24
MONTH TO DATE 0.85 0.84 0.01 3.26
SINCE DEC 1 3.73 4.25 -0.52 9.69
SINCE JAN 1 0.85 0.84 0.01 3.26
SNOWFALL (IN)
YESTERDAY 0.0 2.9 1926 0.1 -0.1 0.0
MONTH TO DATE 7.2 0.9 6.3 T
SINCE DEC 1 7.3 2.6 4.7 0.1
SINCE JUL 1 7.3 2.7 4.6 0.1
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 36 27 9 16
MONTH TO DATE 279 242 37 215
SINCE DEC 1 987 966 21 812
SINCE JUL 1 1410 1612 -202 1401
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 32 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 15.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50 5:00 AM
LOWEST 31 5:00 PM
AVERAGE 41
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 70 1950
MINIMUM TEMPERATURE (F) 30 -3 1875
SUNRISE AND SUNSET
JANUARY 10 2025.......SUNRISE 7:26 AM EST SUNSET 5:06 PM EST
JANUARY 11 2025.......SUNRISE 7:26 AM EST SUNSET 5:07 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$