Climatological Report (Monthly)
Issued by NWS
Issued by NWS
189
CXUS56 KSEW 011031
CLMBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
331 AM PDT TUE OCT 01 2024
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...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 89 09/20/1974
09/14/1951
LOW 28 09/27/1972
HIGHEST 85 09/05 MM MM 79 09/02
LOWEST 36 09/30 MM MM 37 09/30
AVG. MAXIMUM 67.1 68.1 -1.0 68.4
AVG. MINIMUM 49.6 49.6 0.0 49.4
MEAN 58.3 58.9 -0.6 58.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.73 2019
MINIMUM 0.00 2012
TOTALS 2.00 2.01 -0.01 1.15
DAILY AVG. 0.07 0.07 0.00 0.04
DAYS >= .01 7 11.0 -4.0 0
DAYS >= .10 6 5.3 0.7 0
DAYS >= .50 1 1.0 0.0 0
DAYS >= 1.00 1 0.0 1.0 0
GREATEST
24 HR. TOTAL 1.00 09/25 TO 09/25
DEGREE DAYS
HEATING TOTAL 202 189 13 178
SINCE 7/1 320 321 -1 MM
COOLING TOTAL 10 4 6 1
SINCE 1/1 82 75 7 MM
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WIND (MPH)
AVERAGE WIND SPEED 4.3
HIGHEST WIND SPEED/DIRECTION 28/160 DATE 09/26
HIGHEST GUST SPEED/DIRECTION 44/180 DATE 09/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.44
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 24 FOG W/VIS <= 1/4 MILE 9
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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