Climatological Report (Monthly)
Issued by NWS
Issued by NWS
900
CXUS56 KSEW 011137
CLMBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
337 AM PST WED JAN 01 2025
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...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 67 12/10/2014
LOW 12/16/1964
HIGHEST 60 12/06 MM MM 60 12/29
LOWEST 26 12/11 MM MM 26 12/24
AVG. MAXIMUM 49.4 45.5 3.9 50.0
AVG. MINIMUM 36.3 34.1 2.2 36.7
MEAN 42.9 39.8 3.1 43.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.6 -1.6 0
DAYS MIN <= 32 10 13.2 -3.2 9
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.99 1979
MINIMUM 1.00 1985
TOTALS 5.31 4.33 0.98 5.67
DAILY AVG. 0.18 0.14 0.04 0.18
DAYS >= .01 23 19.3 3.7 18
DAYS >= .10 15 11.0 4.0 13
DAYS >= .50 2 2.3 -0.3 5
DAYS >= 1.00 1 0.4 0.6 0
GREATEST
24 HR. TOTAL 1.50 12/17 TO 12/18
DEGREE DAYS
HEATING TOTAL 656 781 -125 666
SINCE 7/1 1988 2153 -165 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 82 75 7 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.3
HIGHEST WIND SPEED/DIRECTION 40/160 DATE 12/14
HIGHEST GUST SPEED/DIRECTION 62/150 DATE 12/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.67
NUMBER OF DAYS FAIR 4
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 16
AVERAGE RH (PERCENT) 86
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 8
LIGHT RAIN 23 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 27 FOG W/VIS <= 1/4 MILE 6
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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