Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 190527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST SUN JAN 19 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 18 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 45 4:31 PM 70 1990 42 3 35
MINIMUM 32 8:43 PM -1 1994 25 7 11
AVERAGE 39 34 5 23
PRECIPITATION (IN)
YESTERDAY 0.03 1.18 1980 0.09 -0.06 0.00
MONTH TO DATE 0.85 1.70 -0.85 3.96
SINCE DEC 1 4.19 5.00 -0.81 9.71
SINCE JAN 1 0.85 1.70 -0.85 3.96
SNOWFALL (IN)
YESTERDAY 0.0 4.2 1984 0.2 -0.2 0.0
MONTH TO DATE 9.1 3.4 5.7 4.4
SINCE DEC 1 9.2 6.2 3.0 4.9
SINCE JUL 1 9.2 6.5 2.7 4.9
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 26 31 -5 42
MONTH TO DATE 617 554 63 527
SINCE DEC 1 1446 1399 47 1202
SINCE JUL 1 2114 2299 -185 1973
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 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 8:00 PM
LOWEST 64 12:00 AM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 65 1972
MINIMUM TEMPERATURE (F) 25 -6 1994
SUNRISE AND SUNSET
JANUARY 19 2025.......SUNRISE 7:25 AM EST SUNSET 5:17 PM EST
JANUARY 20 2025.......SUNRISE 7:25 AM EST SUNSET 5:18 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$