Climatological Report (Daily)
Issued by NWS
Issued by NWS
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037
CDUS46 KSEW 180826
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT MON AUG 18 2025
...................................
...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 71 433 PM 93 1977 73 -2 79
MINIMUM 56 1105 PM 42 1969 55 1 51
AVERAGE 64 64 0 65
PRECIPITATION (IN)
YESTERDAY T 0.64 2005 0.03 -0.03 0.11
MONTH TO DATE 1.67 0.53 1.14 0.11
SINCE OCT 1 31.33 32.10 -0.77 34.37
SINCE JAN 1 16.78 18.72 -1.94 21.09
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 0
MONTH TO DATE 11 30 -19 18
SINCE JUN 1 231 261 -30 261
SINCE JUL 1 72 97 -25 59
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 26 17 9 20
SINCE JUN 1 70 56 14 70
SINCE JAN 1 70 57 13 70
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 400 AM
LOWEST 54 200 PM
AVERAGE 72
..........................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 88 2016
MINIMUM TEMPERATURE (F) 55 42 1973
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 608 AM PDT SUNSET 819 PM PDT
AUGUST 19 2025........SUNRISE 609 AM PDT SUNSET 817 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$