439
CDUS41 KLWX 122126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT THU OCT 12 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 12 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 77 3:21 PM 83 1995 69 8 74
2010
MINIMUM 45 6:39 AM 25 1964 47 -2 42
AVERAGE 61 58 3 58
PRECIPITATION (IN)
TODAY 0.00 0.78 1990 0.11 -0.11 0.00
MONTH TO DATE 0.18 1.47 -1.29 1.41
SINCE SEP 1 6.83 5.41 1.42 4.69
SINCE JAN 1 26.05 34.63 -8.58 32.19
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 4 8 -4 7
MONTH TO DATE 51 74 -23 111
SINCE SEP 1 67 119 -52 150
SINCE JUL 1 67 120 -53 150
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 32 17 15 0
SINCE SEP 1 248 169 79 176
SINCE JAN 1 1363 1225 138 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 2.4
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 30 3:00 PM
AVERAGE 60
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 84 1989
MINIMUM TEMPERATURE (F) 46 30 1987
1988
2012
SUNRISE AND SUNSET
OCTOBER 12 2023.......SUNRISE 7:16 AM EDT SUNSET 6:36 PM EDT
OCTOBER 13 2023.......SUNRISE 7:17 AM EDT SUNSET 6:34 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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