542
CDUS41 KLWX 302124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT MON SEP 30 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 30 2024
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 66 3:52 PM 92 1986 74 -8 80
MINIMUM 64 8:12 AM 35 1993 52 12 59
AVERAGE 65 63 2 70
PRECIPITATION (IN)
TODAY 0.26 4.74 2010 0.15 0.11 0.00
MONTH TO DATE 3.27 3.94 -0.67 6.65
SINCE SEP 1 3.27 3.94 -0.67 6.65
SINCE JAN 1 29.05 33.16 -4.11 25.87
SNOWFALL (IN)
TODAY 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
TODAY 0 4 -4 0
MONTH TO DATE 12 43 -31 16
SINCE SEP 1 12 43 -31 16
SINCE JUL 1 14 44 -30 16
COOLING
TODAY 0 2 -2 5
MONTH TO DATE 137 152 -15 216
SINCE SEP 1 137 152 -15 216
SINCE JAN 1 1551 1208 343 1331
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 90 12:00 PM
AVERAGE 94
......................................................
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 2024.....SUNRISE 7:05 AM EDT SUNSET 6:53 PM EDT
OCTOBER 1 2024.......SUNRISE 7:06 AM EDT SUNSET 6:52 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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