Climatological Report (Monthly) Issued by NWS
000
CXUS56 KSEW 012042
CLMOLM
CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE
142 PM PDT WED NOV 01 2023
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...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 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 90 10/01/1987
LOW 14 10/31/2002
HIGHEST 84 10/07 MM MM 85 10/16
LOWEST 20 10/27 MM MM 31 10/23
AVG. MAXIMUM 62.8 60.2 2.6 66.9
AVG. MINIMUM 41.6 40.5 1.1 41.7
MEAN 52.2 50.3 1.9 54.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 6 4.3 1.7 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.43 2016
MINIMUM 0.39 1987
TOTALS 3.41 5.07 -1.66 3.17
DAILY AVG. 0.11 0.16 -0.05 0.10
DAYS >= .01 13 15.1 -2.1 6
DAYS >= .10 7 9.7 -2.7 6
DAYS >= .50 3 3.4 -0.4 4
DAYS >= 1.00 0 0.9 -0.9 0
GREATEST
24 HR. TOTAL 1.02 10/10 TO 10/11
DEGREE DAYS
HEATING TOTAL 374 454 -80 322
SINCE 7/1 594 776 -182 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 203 113 90 MM
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WIND (MPH)
AVERAGE WIND SPEED 3.8
HIGHEST WIND SPEED/DIRECTION 24/160 DATE 10/11
HIGHEST GUST SPEED/DIRECTION 33/170 DATE 10/10
33/160 10/11
33/230 10/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.56
NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 5
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 30 FOG W/VIS <= 1/4 MILE 18
HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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