Climatological Report (Monthly)
Issued by NWS
Issued by NWS
908
CXUS56 KSEW 011031
CLMBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
331 AM PDT THU MAY 01 2025
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...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 83 04/18/2016
LOW 24 04/20/1951
HIGHEST 69 04/25 MM MM 71 04/20
LOWEST 32 04/13 MM MM 31 04/18
AVG. MAXIMUM 59.3 57.7 1.6 56.0
AVG. MINIMUM 40.8 41.6 -0.8 39.1
MEAN 50.1 49.6 0.5 47.5
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 1.9 -0.9 3
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.09 1992
MINIMUM 0.35 2004
TOTALS 1.49 2.77 -1.28 2.26
DAILY AVG. 0.05 0.09 -0.04 0.08
DAYS >= .01 6 15.5 -9.5 10
DAYS >= .10 5 8.0 -3.0 7
DAYS >= .50 1 1.3 -0.3 1
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.65 04/06 TO 04/07
DEGREE DAYS
HEATING TOTAL 442 460 -18 516
SINCE 7/1 4690 4647 43 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 31/170 DATE 04/10
HIGHEST GUST SPEED/DIRECTION 55/160 DATE 04/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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