390
CDUS41 KLWX 042122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT WED OCT 04 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 4 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 84 3:09 PM 90 2013 72 12 55
MINIMUM 55 6:27 AM 26 1974 50 5 48
AVERAGE 70 61 9 52
PRECIPITATION (IN)
TODAY 0.00 0.81 1999 0.13 -0.13 0.10
MONTH TO DATE 0.00 0.51 -0.51 1.32
SINCE SEP 1 6.65 4.45 2.20 4.60
SINCE JAN 1 25.87 33.67 -7.80 32.10
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 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 5 -5 13
MONTH TO DATE 0 19 -19 42
SINCE SEP 1 16 64 -48 81
SINCE JUL 1 16 65 -49 81
COOLING
TODAY 5 2 3 0
MONTH TO DATE 22 8 14 0
SINCE SEP 1 238 160 78 176
SINCE JAN 1 1353 1216 137 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 1.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 7:00 AM
LOWEST 23 11:00 AM
AVERAGE 60
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1967
2013
MINIMUM TEMPERATURE (F) 50 32 1970
SUNRISE AND SUNSET
OCTOBER 4 2023.......SUNRISE 7:08 AM EDT SUNSET 6:48 PM EDT
OCTOBER 5 2023.......SUNRISE 7:09 AM EDT SUNSET 6:47 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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