498
CDUS41 KLWX 280527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT SAT SEP 28 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 27 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 5:54 PM 96 1998 75 2 72
MINIMUM 70 2:18 AM 35 1984 53 17 54
AVERAGE 74 64 10 63
PRECIPITATION (IN)
YESTERDAY 0.20 1.55 1985 0.14 0.06 0.00
MONTH TO DATE 3.00 3.51 -0.51 6.61
SINCE SEP 1 3.00 3.51 -0.51 6.61
SINCE JAN 1 28.78 32.73 -3.95 25.83
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE SEP 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 2
MONTH TO DATE 12 31 -19 13
SINCE SEP 1 12 31 -19 13
SINCE JUL 1 14 32 -18 13
COOLING
YESTERDAY 9 2 7 0
MONTH TO DATE 120 145 -25 211
SINCE SEP 1 120 145 -25 211
SINCE JAN 1 1534 1201 333 1326
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 84 9:00 PM
AVERAGE 91
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 86 1998
2019
MINIMUM TEMPERATURE (F) 53 34 1989
SUNRISE AND SUNSET
SEPTEMBER 28 2024.....SUNRISE 7:03 AM EDT SUNSET 6:56 PM EDT
SEPTEMBER 29 2024.....SUNRISE 7:04 AM EDT SUNSET 6:55 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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