544
CDUS46 KSEW 120117
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT THU SEP 11 2025
...............................
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 63 459 PM 83 1975 69 -6 60
2013
MINIMUM 54 813 AM 39 1988 51 3 50
AVERAGE 59 60 -1 55
PRECIPITATION (IN)
TODAY 0.00 0.67 1966 0.07 -0.07 0.12
MONTH TO DATE 0.02 0.64 -0.62 0.12
SINCE OCT 1 31.35 33.34 -1.99 36.99
SINCE JAN 1 16.80 19.96 -3.16 23.71
DEGREE DAYS
HEATING
TODAY 6 5 1 10
MONTH TO DATE 16 48 -32 33
SINCE SEP 1 16 48 -32 33
SINCE JUL 1 105 180 -75 151
COOLING
TODAY 0 0 0 0
MONTH TO DATE 4 0 4 10
SINCE SEP 1 4 0 4 10
SINCE JAN 1 91 71 20 82
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 75 300 PM
AVERAGE 88
......................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 80 1975
MINIMUM TEMPERATURE (F) 50 33 1949
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 642 AM PDT SUNSET 730 PM PDT
SEPTEMBER 12 2025.....SUNRISE 643 AM PDT SUNSET 728 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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