Climatological Report (Monthly)
Issued by NWS
Issued by NWS
839
CXUS56 KSEW 011044
CLMUIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
344 AM PDT THU OCT 01 2026
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...THE QUILLAYUTE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1966 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 97 09/02/1988
LOW 28 09/27/1972
HIGHEST 79 09/16 MM MM 85 09/16
LOWEST 36 09/27 MM MM 41 09/19
09/25
AVG. MAXIMUM 66.2 66.7 -0.5 67.0
AVG. MINIMUM 46.7 47.5 -0.8 50.7
MEAN 56.4 57.1 -0.7 58.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.1 -0.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.82 1997
MINIMUM 0.12 1991
TOTALS 7.48 4.56 2.92 5.18
DAILY AVG. 0.25 0.15 0.10 0.27
DAYS >= .01 11 11.1 -0.1 12
DAYS >= .10 7 7.0 0.0 8
DAYS >= .50 6 3.1 2.9 5
DAYS >= 1.00 3 1.3 1.7 2
GREATEST
24 HR. TOTAL 3.31 09/28 TO 09/29
DEGREE DAYS
HEATING TOTAL 250 240 10 179
SINCE 7/1 566 586 -20 MM
COOLING TOTAL 0 3 -3 2
SINCE 1/1 13 22 -9 MM
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WIND (MPH)
AVERAGE WIND SPEED 3.8
HIGHEST WIND SPEED/DIRECTION 20/300 DATE 09/25
HIGHEST GUST SPEED/DIRECTION 31/310 DATE 09/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.53
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 81
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 6
LIGHT RAIN 14 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 5
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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