748
CDUS41 KLWX 310521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT WED JUL 31 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 30 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 89 3:16 PM 98 1988 88 1 88
MINIMUM 74 11:59 PM 48 2014 67 7 70
AVERAGE 82 77 5 79
PRECIPITATION (IN)
YESTERDAY 0.12 1.29 2018 0.13 -0.01 0.00
MONTH TO DATE 2.66 4.02 -1.36 5.00
SINCE JUN 1 3.35 8.32 -4.97 7.30
SINCE JAN 1 20.65 25.56 -4.91 17.28
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 5
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 12 5 14
MONTH TO DATE 479 358 121 464
SINCE JUN 1 833 596 237 646
SINCE JAN 1 1016 702 314 720
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 5:00 PM
LOWEST 55 3:00 PM
AVERAGE 70
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1999
MINIMUM TEMPERATURE (F) 67 50 1997
SUNRISE AND SUNSET
JULY 31 2024..........SUNRISE 6:10 AM EDT SUNSET 8:21 PM EDT
AUGUST 1 2024........SUNRISE 6:11 AM EDT SUNSET 8:20 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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