National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2025-05-06 06:25 UTC
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348
CDUS41 KLWX 060625
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT TUE MAY 06 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 5 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 74 3:58 PM 88 1980 73 1 69
MINIMUM 60 5:07 AM 29 1976 50 10 53
AVERAGE 67 61 6 61
PRECIPITATION (IN)
YESTERDAY 0.24 2.34 1989 0.14 0.10 0.23
MONTH TO DATE 0.75 0.71 0.04 1.48
SINCE MAR 1 4.18 7.68 -3.50 7.11
SINCE JAN 1 8.60 13.23 -4.63 14.56
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 0 5 -5 4
MONTH TO DATE 0 29 -29 15
SINCE MAR 1 691 996 -305 694
SINCE JUL 1 4013 4506 -493 3658
COOLING
YESTERDAY 2 2 0 0
MONTH TO DATE 29 6 23 16
SINCE MAR 1 76 28 48 60
SINCE JAN 1 76 28 48 63
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 71 4:00 PM
AVERAGE 86
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1986
MINIMUM TEMPERATURE (F) 50 36 1968
SUNRISE AND SUNSET
MAY 6 2025...........SUNRISE 6:06 AM EDT SUNSET 8:08 PM EDT
MAY 7 2025...........SUNRISE 6:05 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.
$$