454
CDUS41 KLWX 270523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT THU JUL 27 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 26 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 92 3:31 PM 98 1966 88 4 80
2012
MINIMUM 65 5:11 AM 50 1976 67 -2 71
AVERAGE 79 77 2 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.76 1989 0.13 -0.13 T
MONTH TO DATE 4.64 3.52 1.12 4.79
SINCE JUN 1 6.94 7.82 -0.88 7.54
SINCE JAN 1 16.92 25.06 -8.14 24.76
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 MM
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 11
MONTH TO DATE 390 310 80 350
SINCE JUN 1 572 548 24 587
SINCE JAN 1 646 654 -8 716
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 47 3:00 PM
AVERAGE 72
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1993
MINIMUM TEMPERATURE (F) 67 52 1977
SUNRISE AND SUNSET
JULY 27 2023..........SUNRISE 6:06 AM EDT SUNSET 8:26 PM EDT
JULY 28 2023..........SUNRISE 6:07 AM EDT SUNSET 8:25 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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