224
CDUS41 KLWX 272128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT WED SEP 27 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 27 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 72 2:44 PM 96 1998 75 -3 73
MINIMUM 57 6:26 AM 35 1984 53 4 51
AVERAGE 65 64 1 62
PRECIPITATION (IN)
TODAY 0.00 1.55 1985 0.14 -0.14 0.00
MONTH TO DATE 6.61 3.51 3.10 2.81
SINCE SEP 1 6.61 3.51 3.10 2.81
SINCE JAN 1 25.83 32.73 -6.90 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 3
MONTH TO DATE 11 31 -20 17
SINCE SEP 1 11 31 -20 17
SINCE JUL 1 11 32 -21 17
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 211 145 66 176
SINCE SEP 1 211 145 66 176
SINCE JAN 1 1326 1201 125 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.9
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 38 4:00 PM
AVERAGE 64
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 86 1998
2019
MINIMUM TEMPERATURE (F) 53 34 1989
SUNRISE AND SUNSET
SEPTEMBER 27 2023.....SUNRISE 7:02 AM EDT SUNSET 6:59 PM EDT
SEPTEMBER 28 2023.....SUNRISE 7:03 AM EDT SUNSET 6:58 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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