Climatological Report (Monthly)
Issued by NWS

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839
CXUS56 KSEW 011044
CLMUIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
344 AM PDT THU OCT 01 2026

...................................

...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
................................................................
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
................................................................

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.

$$