847
CDUS41 KLWX 050523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST TUE DEC 05 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 4 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 55 1:33 PM 75 1998 50 5 48
MINIMUM 37 5:07 AM 10 1966 31 6 25
AVERAGE 46 40 6 37
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1993 0.11 -0.11 0.00
MONTH TO DATE 0.69 0.45 0.24 0.33
SINCE DEC 1 0.69 0.45 0.24 0.33
SINCE JAN 1 29.72 40.39 -10.67 36.14
SNOWFALL (IN)
YESTERDAY 0.0 T 2014 0.0 0.0 0.0
2016
2019
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE DEC 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 T 0.5 -0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 25 -6 28
MONTH TO DATE 68 97 -29 97
SINCE DEC 1 68 97 -29 97
SINCE JUL 1 839 997 -158 931
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 6:00 AM
LOWEST 46 1:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 77 2001
MINIMUM TEMPERATURE (F) 31 12 1966
SUNRISE AND SUNSET
DECEMBER 5 2023......SUNRISE 7:13 AM EST SUNSET 4:47 PM EST
DECEMBER 6 2023......SUNRISE 7:14 AM EST SUNSET 4:47 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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