962
CDUS41 KLWX 302126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT SAT SEP 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 30 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 80 3:41 PM 92 1986 74 6 61
MINIMUM 64 5:23 AM 35 1993 52 12 51
AVERAGE 72 63 9 56
PRECIPITATION (IN)
TODAY 0.00 4.74 2010 0.15 -0.15 0.47
MONTH TO DATE 6.65 3.94 2.71 3.28
SINCE SEP 1 6.65 3.94 2.71 3.28
SINCE JAN 1 25.87 33.16 -7.29 30.78
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 4 -4 9
MONTH TO DATE 16 43 -27 39
SINCE SEP 1 16 43 -27 39
SINCE JUL 1 16 44 -28 39
COOLING
TODAY 7 2 5 0
MONTH TO DATE 218 152 66 176
SINCE SEP 1 218 152 66 176
SINCE JAN 1 1333 1208 125 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 50 4:00 PM
AVERAGE 69
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1986
MINIMUM TEMPERATURE (F) 52 31 1993
SUNRISE AND SUNSET
SEPTEMBER 30 2023.....SUNRISE 7:05 AM EDT SUNSET 6:54 PM EDT
OCTOBER 1 2023.......SUNRISE 7:06 AM EDT SUNSET 6:53 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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