Climatological Report (Monthly)
Issued by NWS
Issued by NWS
236
CXUS56 KSEW 011135
CLMOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
335 AM PST SUN NOV 01 2026
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...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 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 90 10/01/1987
LOW 14 10/31/2002
HIGHEST 79 10/16 MM MM 77 10/07
LOWEST 28 10/12 MM MM 26 10/15
10/24
AVG. MAXIMUM 63.6 60.2 3.4 61.0
AVG. MINIMUM 38.9 40.5 -1.6 39.5
MEAN 51.3 50.3 1.0 50.2
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 4 4.3 -0.3 4
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.43 2016
MINIMUM 0.39 1987
TOTALS 2.19 5.07 -2.88 3.19
DAILY AVG. 0.08 0.16 -0.08 0.12
DAYS >= .01 9 15.1 -6.1 11
DAYS >= .10 5 9.7 -4.7 4
DAYS >= .50 2 3.4 -1.4 3
DAYS >= 1.00 0 0.9 -0.9 1
GREATEST
24 HR. TOTAL 0.93 10/27 TO 10/28
DEGREE DAYS
HEATING TOTAL 418 454 -36 403
SINCE 7/1 722 776 -54 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 124 113 11 MM
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WIND (MPH)
AVERAGE WIND SPEED 3.1
HIGHEST WIND SPEED/DIRECTION 20/170 DATE 10/27
HIGHEST GUST SPEED/DIRECTION 27/170 DATE 10/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 30 FOG W/VIS <= 1/4 MILE 20
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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