928
CDUS41 KLWX 280527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST TUE JAN 28 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 27 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 49 4:27 PM 71 1974 43 6 61
MINIMUM 20 5:56 AM -9 1987 25 -5 41
AVERAGE 35 34 1 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 1976 0.09 -0.09 0.20
MONTH TO DATE 1.15 2.56 -1.41 4.68
SINCE DEC 1 4.49 5.86 -1.37 10.43
SINCE JAN 1 1.15 2.56 -1.41 4.68
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2009 0.3 -0.3 0.0
MONTH TO DATE 10.5 5.8 4.7 9.5
SINCE DEC 1 10.6 8.6 2.0 10.0
SINCE JUL 1 10.6 8.9 1.7 10.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 30 31 -1 14
MONTH TO DATE 981 833 148 771
SINCE DEC 1 1810 1678 132 1446
SINCE JUL 1 2478 2578 -100 2217
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE DEC 1 0 0 0 3
SINCE JAN 1 0 0 0 3
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 6:00 AM
LOWEST 33 5:00 PM
AVERAGE 57
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 2002
MINIMUM TEMPERATURE (F) 25 -17 1987
SUNRISE AND SUNSET
JANUARY 28 2025.......SUNRISE 7:19 AM EST SUNSET 5:27 PM EST
JANUARY 29 2025.......SUNRISE 7:18 AM EST SUNSET 5:28 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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