690  
CDUS46 KSEW 010826  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT MON SEP 01 2025  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1941 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 347 PM 94 1987 76 3 89  
MINIMUM 56 549 AM 38 1964 49 7 50  
1973  
AVERAGE 68 62 6 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1961 0.05 -0.05 0.00  
MONTH TO DATE 1.11 0.96 0.15 1.38  
SINCE OCT 1 38.98 48.58 -9.60 47.04  
SINCE JAN 1 18.08 27.45 -9.37 26.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 25 69 -44 55  
SINCE JUN 1 237 331 -94 260  
SINCE JUL 1 72 142 -70 79  
 
COOLING  
YESTERDAY 3 1 2 5  
MONTH TO DATE 94 44 50 56  
SINCE JUN 1 190 103 87 178  
SINCE JAN 1 190 105 85 181    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 52 300 PM  
AVERAGE 75  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1987  
MINIMUM TEMPERATURE (F) 49 32 1973  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 632 AM PDT SUNSET 750 PM PDT  
SEPTEMBER 2 2025.....SUNRISE 633 AM PDT SUNSET 748 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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