920
CDUS41 KLWX 090529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST TUE JAN 09 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 8 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 49 2:56 PM 70 2008 43 6 42
MINIMUM 30 9:12 PM -4 1970 26 4 23
AVERAGE 40 34 6 33
PRECIPITATION (IN)
YESTERDAY 0.00 1.07 1978 0.09 -0.09 T
MONTH TO DATE 0.98 0.74 0.24 T
SINCE DEC 1 6.73 4.04 2.69 4.95
SINCE JAN 1 0.98 0.74 0.24 T
SNOWFALL (IN)
YESTERDAY 0.0 4.7 1990 0.1 -0.1 0.0
MONTH TO DATE T 1.1 -1.1 0.0
SINCE DEC 1 0.5 3.9 -3.4 T
SINCE JUL 1 0.5 4.2 -3.7 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 31 -6 32
MONTH TO DATE 222 244 -22 135
SINCE DEC 1 897 1089 -192 997
SINCE JUL 1 1668 1989 -321 1831
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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 7:00 PM
LOWEST 44 2:00 PM
AVERAGE 61
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 64 2008
MINIMUM TEMPERATURE (F) 26 -8 1970
SUNRISE AND SUNSET
JANUARY 9 2024.......SUNRISE 7:29 AM EST SUNSET 5:05 PM EST
JANUARY 10 2024.......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.
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