158
CDUS41 KLWX 260527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST TUE DEC 26 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 25 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 58 3:15 PM 71 1964 44 14 34
1982
MINIMUM 35 7:23 AM -4 1989 27 8 7
AVERAGE 47 36 11 21
PRECIPITATION (IN)
YESTERDAY 0.00 0.82 1969 0.10 -0.10 0.00
MONTH TO DATE 4.76 2.74 2.02 4.70
SINCE DEC 1 4.76 2.74 2.02 4.70
SINCE JAN 1 33.79 42.68 -8.89 40.51
SNOWFALL (IN)
YESTERDAY 0.0 6.0 1969 0.1 -0.1 0.0
MONTH TO DATE 0.5 2.1 -1.6 T
SINCE DEC 1 0.5 2.1 -1.6 T
SINCE JUL 1 0.5 2.4 -1.9 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 18 29 -11 44
MONTH TO DATE 568 667 -99 706
SINCE DEC 1 568 667 -99 706
SINCE JUL 1 1339 1567 -228 1540
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1380 1231 149 1376
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WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 1.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 8:00 AM
LOWEST 40 3:00 PM
AVERAGE 66
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 71 1964
MINIMUM TEMPERATURE (F) 27 -1 1983
SUNRISE AND SUNSET
DECEMBER 26 2023......SUNRISE 7:27 AM EST SUNSET 4:54 PM EST
DECEMBER 27 2023......SUNRISE 7:27 AM EST SUNSET 4:54 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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