Climatological Report (Daily)
Issued by NWS
Issued by NWS
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697
CDUS46 KSEW 190118
CLIBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT MON AUG 18 2025
...................................
...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 71 109 PM 88 2016 73 -2 76
MINIMUM 56 547 AM 42 1973 55 1 57
AVERAGE 64 64 0 67
PRECIPITATION (IN)
TODAY 0.00 0.84 1990 0.05 -0.05 0.13
MONTH TO DATE 1.67 0.58 1.09 0.24
SINCE OCT 1 31.33 32.15 -0.82 34.50
SINCE JAN 1 16.78 18.77 -1.99 21.22
DEGREE DAYS
HEATING
TODAY 1 2 -1 0
MONTH TO DATE 12 32 -20 18
SINCE JUN 1 232 263 -31 261
SINCE JUL 1 73 99 -26 59
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 26 18 8 22
SINCE JUN 1 70 57 13 72
SINCE JAN 1 70 58 12 72
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 51 100 PM
AVERAGE 72
..........................................................
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 2016
MINIMUM TEMPERATURE (F) 55 44 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.
$$