195
CDUS41 KLWX 070622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT WED MAY 07 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 6 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 12:26 PM 90 1986 73 -2 78
MINIMUM 57 3:25 AM 36 1968 50 7 62
AVERAGE 64 61 3 70
PRECIPITATION (IN)
YESTERDAY 0.12 1.18 2022 0.15 -0.03 0.02
MONTH TO DATE 0.87 0.86 0.01 1.50
SINCE MAR 1 4.30 7.83 -3.53 7.13
SINCE JAN 1 8.72 13.38 -4.66 14.58
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 MAR 1 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 5 -4 0
MONTH TO DATE 1 34 -33 15
SINCE MAR 1 692 1001 -309 694
SINCE JUL 1 4014 4511 -497 3658
COOLING
YESTERDAY 0 2 -2 5
MONTH TO DATE 29 8 21 21
SINCE MAR 1 76 30 46 65
SINCE JAN 1 76 30 46 68
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 53 4:00 PM
AVERAGE 77
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1986
2000
MINIMUM TEMPERATURE (F) 50 28 1970
SUNRISE AND SUNSET
MAY 7 2025...........SUNRISE 6:05 AM EDT SUNSET 8:09 PM EDT
MAY 8 2025...........SUNRISE 6:04 AM EDT SUNSET 8:09 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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