221
CDUS41 KLWX 042123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
423 PM EST THU JAN 04 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 4 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 45 11:34 AM 74 1997 43 2 65
MINIMUM 34 6:33 AM 5 1979 26 8 53
AVERAGE 40 34 6 59
PRECIPITATION (IN)
TODAY 0.00 0.89 1992 0.09 -0.09 T
MONTH TO DATE 0.01 0.37 -0.36 T
SINCE DEC 1 5.76 3.67 2.09 4.95
SINCE JAN 1 0.01 0.37 -0.36 T
SNOWFALL (IN)
TODAY 0.0 1.8 1980 0.1 -0.1 0.0
MONTH TO DATE T 0.5 -0.5 0.0
SINCE DEC 1 0.5 3.3 -2.8 T
SINCE JUL 1 0.5 3.6 -3.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 25 30 -5 6
MONTH TO DATE 104 120 -16 47
SINCE DEC 1 779 965 -186 909
SINCE JUL 1 1550 1865 -315 1743
COOLING
TODAY 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 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 1:00 AM
LOWEST 39 3:00 PM
AVERAGE 56
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 69 1997
MINIMUM TEMPERATURE (F) 26 5 1970
SUNRISE AND SUNSET
JANUARY 4 2024.......SUNRISE 7:29 AM EST SUNSET 5:01 PM EST
JANUARY 5 2024.......SUNRISE 7:29 AM EST SUNSET 5:01 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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