Climatological Report (Monthly) Issued by NWS
000
CXUS56 KSEW 011050
CLMBLI
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
350 AM PDT SUN OCT 01 2023
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...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1949 TO 2023
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 79 09/02 MM MM 83 09/09
LOWEST 37 09/30 MM MM 42 09/19
09/21
AVG. MAXIMUM 68.4 68.1 0.3 72.2
AVG. MINIMUM 49.4 49.6 -0.2 50.3
MEAN 58.9 58.9 0.0 61.3
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 1.15 2.01 -0.86 T
DAILY AVG. 0.04 0.07 -0.03 T
DAYS >= .01 0 11.0 -11.0 0
DAYS >= .10 0 5.3 -5.3 0
DAYS >= .50 0 1.0 -1.0 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.35 09/24 TO 09/25
DEGREE DAYS
HEATING TOTAL 178 189 -11 107
SINCE 7/1 248 321 -73 MM
COOLING TOTAL 1 4 -3 1
SINCE 1/1 111 75 36 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.0
HIGHEST WIND SPEED/DIRECTION 29/160 DATE 09/25
HIGHEST GUST SPEED/DIRECTION 42/150 DATE 09/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.41
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 80
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 10
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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