373
CDUS41 KLWX 120523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT THU OCT 12 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 11 2023
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)
YESTERDAY
MAXIMUM 72 1:55 PM 86 2010 70 2 74
MINIMUM 39 5:55 AM 28 1972 47 -8 38
AVERAGE 56 58 -2 56
PRECIPITATION (IN)
YESTERDAY 0.00 3.38 2013 0.12 -0.12 0.00
MONTH TO DATE 0.18 1.36 -1.18 1.41
SINCE SEP 1 6.83 5.30 1.53 4.69
SINCE JAN 1 26.05 34.52 -8.47 32.19
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 9 8 1 9
MONTH TO DATE 47 66 -19 104
SINCE SEP 1 63 111 -48 143
SINCE JUL 1 63 112 -49 143
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 32 16 16 0
SINCE SEP 1 248 168 80 176
SINCE JAN 1 1363 1224 139 1354
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 2.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 28 3:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 83 1995
2010
MINIMUM TEMPERATURE (F) 47 25 1964
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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