228
CDUS46 KSEW 190827
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT FRI SEP 19 2025
...............................
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2025
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)
YESTERDAY
MAXIMUM 66 420 PM 78 1991 68 -2 67
MINIMUM 49 1159 PM 37 1972 49 0 50
AVERAGE 58 58 0 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.59 1988 0.07 -0.07 0.00
MONTH TO DATE 0.10 1.10 -1.00 0.59
SINCE OCT 1 31.43 33.80 -2.37 37.46
SINCE JAN 1 16.88 20.42 -3.54 24.18
DEGREE DAYS
HEATING
YESTERDAY 7 7 0 6
MONTH TO DATE 43 90 -47 89
SINCE SEP 1 43 90 -47 89
SINCE JUL 1 132 222 -90 207
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 0 5 10
SINCE SEP 1 5 0 5 10
SINCE JAN 1 92 71 21 82
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WIND (MPH)
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 800 PM
LOWEST 65 400 PM
AVERAGE 81
......................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 85 1974
MINIMUM TEMPERATURE (F) 49 33 1957
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 653 AM PDT SUNSET 713 PM PDT
SEPTEMBER 20 2025.....SUNRISE 654 AM PDT SUNSET 711 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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