721
CDUS41 KLWX 210529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SUN JUL 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 20 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 83 11:52 AM 101 1980 88 -5 90
MINIMUM 69 11:59 PM 55 1974 67 2 68
AVERAGE 76 78 -2 79
PRECIPITATION (IN)
YESTERDAY 0.03 2.28 1970 0.14 -0.11 0.00
MONTH TO DATE 2.13 2.74 -0.61 4.40
SINCE JUN 1 2.82 7.04 -4.22 6.70
SINCE JAN 1 20.12 24.28 -4.16 16.68
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 11 12 -1 14
MONTH TO DATE 340 238 102 311
SINCE JUN 1 694 476 218 493
SINCE JAN 1 877 582 295 567
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 61 12:00 PM
AVERAGE 77
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 1991
MINIMUM TEMPERATURE (F) 67 48 1966
SUNRISE AND SUNSET
JULY 21 2024..........SUNRISE 6:02 AM EDT SUNSET 8:30 PM EDT
JULY 22 2024..........SUNRISE 6:03 AM EDT SUNSET 8:30 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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