650  
CDUS46 KSEW 100826  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT THU SEP 10 2026  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1941 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 456 PM 91 1963 74 8 74  
2020  
MINIMUM 45 410 AM 36 1976 47 -2 52  
AVERAGE 64 61 3 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 1978 0.06 -0.06 0.00  
MONTH TO DATE 0.35 0.48 -0.13 0.07  
SINCE OCT 1 49.70 49.06 0.64 39.05  
SINCE JAN 1 24.50 27.93 -3.43 18.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 5 -4 2  
MONTH TO DATE 42 36 6 10  
SINCE SEP 1 42 36 6 10  
SINCE JUL 1 131 176 -45 82  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 3 -3 9  
SINCE SEP 1 0 3 -3 9  
SINCE JAN 1 124 108 16 199    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 28 500 PM  
AVERAGE 64  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2020  
MINIMUM TEMPERATURE (F) 47 35 1964  
1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2026.....SUNRISE 643 AM PDT SUNSET 733 PM PDT  
SEPTEMBER 11 2026.....SUNRISE 644 AM PDT SUNSET 731 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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