035
CXUS56 KSEW 022055 CCA
CLMOLM
CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE SEATTLE
155 PM PDT MON JUN 02 2025
...............................
...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 96 05/28/1983
LOW 25 05/01/1954
HIGHEST 81 05/30 MM MM 88 05/10
05/11
LOWEST 31 05/05 MM MM 31 05/01
AVG. MAXIMUM 66.9 66.1 0.8 65.7
AVG. MINIMUM 40.6 43.0 -2.4 41.7
MEAN 53.7 54.5 -0.8 53.7
DAYS MAX >= 90 0 0.1 -0.1 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 1.1 -0.1 2
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.83 1948
MINIMUM 0.15 2016
TOTALS 0.96 2.26 -1.30 1.38
DAILY AVG. 0.03 0.07 -0.04 0.04
DAYS >= .01 10 11.4 -1.4 9
DAYS >= .10 4 6.5 -2.5 4
DAYS >= .50 0 1.2 -1.2 1
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.32 05/19 TO 05/19
DEGREE DAYS
HEATING TOTAL 341 326 15 345
SINCE 7/1 4856 5186 -330 MM
COOLING TOTAL 0 2 -2 3
SINCE 1/1 0 2 -2 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.8
HIGHEST WIND SPEED/DIRECTION 22/190 DATE 05/19
HIGHEST GUST SPEED/DIRECTION 31/260 DATE 05/17
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 1
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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