643
CDUS41 KLWX 110523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT TUE JUL 11 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 10 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 88 4:46 PM 99 1988 88 0 83
1993
MINIMUM 69 5:11 AM 53 1963 67 2 65
AVERAGE 79 77 2 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.63 1995 0.14 -0.14 0.00
MONTH TO DATE 1.83 1.36 0.47 2.77
SINCE JUN 1 4.13 5.66 -1.53 5.52
SINCE JAN 1 14.11 22.90 -8.79 22.74
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 5 13 -8 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 14 12 2 9
MONTH TO DATE 161 118 43 127
SINCE JUN 1 343 356 -13 364
SINCE JAN 1 417 462 -45 493
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 36 5:00 PM
AVERAGE 63
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 67 52 1983
SUNRISE AND SUNSET
JULY 11 2023..........SUNRISE 5:54 AM EDT SUNSET 8:37 PM EDT
JULY 12 2023..........SUNRISE 5:54 AM EDT SUNSET 8:36 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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