100  
CDUS46 KSEW 010831  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
131 AM PDT THU OCT 01 2026  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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 66 337 PM 83 1987 67 -1 67  
1992  
MINIMUM 45 1113 PM 29 1950 44 1 46  
2019  
AVERAGE 56 55 1 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 2013 0.10 -0.10 0.09  
MONTH TO DATE 1.91 2.04 -0.13 1.28  
SINCE OCT 1 51.26 50.62 0.64 40.26  
SINCE JAN 1 26.06 29.49 -3.43 19.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 10 -1 8  
MONTH TO DATE 215 185 30 102  
SINCE SEP 1 215 185 30 102  
SINCE JUL 1 304 325 -21 174  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 8 -8 11  
SINCE SEP 1 0 8 -8 11  
SINCE JAN 1 124 113 11 201    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 47 300 PM  
AVERAGE 74  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1987  
MINIMUM TEMPERATURE (F) 43 29 1950  
1983  
2019  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 711 AM PDT SUNSET 651 PM PDT  
OCTOBER 2 2026.......SUNRISE 712 AM PDT SUNSET 649 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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