731
CDUS41 KLWX 310535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1235 AM EST SUN DEC 31 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 30 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 51 3:16 PM 67 1990 44 7 66
MINIMUM 30 5:13 AM 4 1963 27 3 28
AVERAGE 41 35 6 47
PRECIPITATION (IN)
YESTERDAY T 0.87 1969 0.09 -0.09 0.00
MONTH TO DATE 5.75 3.21 2.54 4.70
SINCE DEC 1 5.75 3.21 2.54 4.70
SINCE JAN 1 34.78 43.15 -8.37 40.51
SNOWFALL (IN)
YESTERDAY 0.0 0.9 1977 0.2 -0.2 0.0
MONTH TO DATE 0.5 2.7 -2.2 T
SINCE DEC 1 0.5 2.7 -2.2 T
SINCE JUL 1 0.5 3.0 -2.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 30 -6 18
MONTH TO DATE 653 816 -163 851
SINCE DEC 1 653 816 -163 851
SINCE JUL 1 1424 1716 -292 1685
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 16 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 5:00 AM
LOWEST 48 2:00 PM
AVERAGE 63
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 73 1992
MINIMUM TEMPERATURE (F) 27 1 1993
SUNRISE AND SUNSET
DECEMBER 31 2023......SUNRISE 7:28 AM EST SUNSET 4:57 PM EST
JANUARY 1 2024.......SUNRISE 7:28 AM EST SUNSET 4:58 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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