320
CDUS41 KLWX 090522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SUN JUL 09 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 8 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 94 3:32 PM 101 2012 88 6 87
MINIMUM 74 5:41 AM 48 1983 67 7 69
1984
AVERAGE 84 77 7 78
PRECIPITATION (IN)
YESTERDAY T 1.96 2005 0.14 -0.14 1.00
MONTH TO DATE 1.12 1.09 0.03 1.29
SINCE JUN 1 3.42 5.39 -1.97 4.04
SINCE JAN 1 13.40 22.63 -9.23 21.26
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 19 12 7 13
MONTH TO DATE 133 94 39 112
SINCE JUN 1 315 332 -17 349
SINCE JAN 1 389 438 -49 478
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 43 3:00 PM
AVERAGE 69
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 1988
1993
MINIMUM TEMPERATURE (F) 67 48 1984
SUNRISE AND SUNSET
JULY 9 2023..........SUNRISE 5:52 AM EDT SUNSET 8:37 PM EDT
JULY 10 2023..........SUNRISE 5:53 AM EDT SUNSET 8:37 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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