158
CDUS41 KLWX 202127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
427 PM EST MON NOV 20 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 20 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 50 12:43 PM 79 1985 55 -5 39
MINIMUM 34 3:52 AM 18 1980 34 0 25
AVERAGE 42 45 -3 32
PRECIPITATION (IN)
TODAY 0.00 0.75 1983 0.10 -0.10 0.00
MONTH TO DATE 0.34 2.09 -1.75 2.35
SINCE SEP 1 7.66 9.68 -2.02 7.87
SINCE JAN 1 26.88 38.90 -12.02 35.37
SNOWFALL (IN)
TODAY 0.0 T 1969 0.0 0.0 0.0
1987
2000
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE SEP 1 T 0.1 -0.1 T
SINCE JUL 1 T 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 23 20 3 33
MONTH TO DATE 322 348 -26 284
SINCE SEP 1 528 677 -149 625
SINCE JUL 1 528 678 -150 625
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 22
SINCE SEP 1 265 174 91 198
SINCE JAN 1 1380 1230 150 1376
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 4:00 AM
LOWEST 42 2:00 PM
AVERAGE 59
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 76 2007
MINIMUM TEMPERATURE (F) 34 16 1969
SUNRISE AND SUNSET
NOVEMBER 20 2023......SUNRISE 6:58 AM EST SUNSET 4:53 PM EST
NOVEMBER 21 2023......SUNRISE 6:59 AM EST SUNSET 4:52 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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