147
CDUS41 KLWX 252135
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
535 PM EDT MON SEP 25 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 25 2023
VALID TODAY AS OF 0500 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 71 12:46 PM 93 2010 76 -5 75
MINIMUM 61 6:14 AM 33 1983 54 7 54
AVERAGE 66 65 1 65
PRECIPITATION (IN)
TODAY 0.00 2.67 1975 0.13 -0.13 T
MONTH TO DATE 6.48 3.24 3.24 2.81
SINCE SEP 1 6.48 3.24 3.24 2.81
SINCE JAN 1 25.70 32.46 -6.76 30.31
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 6 25 -19 14
SINCE SEP 1 6 25 -19 14
SINCE JUL 1 6 26 -20 14
COOLING
TODAY 1 3 -2 0
MONTH TO DATE 211 140 71 175
SINCE SEP 1 211 140 71 175
SINCE JAN 1 1326 1196 130 1353
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 66 2:00 PM
AVERAGE 78
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2007
MINIMUM TEMPERATURE (F) 54 38 1964
1983
SUNRISE AND SUNSET
SEPTEMBER 25 2023.....SUNRISE 7:00 AM EDT SUNSET 7:02 PM EDT
SEPTEMBER 26 2023.....SUNRISE 7:01 AM EDT SUNSET 7:01 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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