930  
CDUS46 KSEW 200826  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT THU AUG 20 2026  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 85 520 PM 96 2016 78 7 75  
MINIMUM 49 254 AM 35 1973 50 -1 50  
AVERAGE 67 64 3 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 1965 0.04 -0.04 0.00  
MONTH TO DATE 0.10 0.46 -0.36 1.05  
SINCE OCT 1 49.33 48.08 1.25 38.92  
SINCE JAN 1 24.13 26.95 -2.82 18.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 13 38 -25 15  
SINCE JUN 1 221 300 -79 227  
SINCE JUL 1 76 111 -35 62  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 33 36 -3 45  
SINCE JUN 1 109 95 14 141  
SINCE JAN 1 109 97 12 141    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 37 600 PM  
AVERAGE 69  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 2016  
MINIMUM TEMPERATURE (F) 50 39 1952  
 
SUNRISE AND SUNSET  
AUGUST 20 2026........SUNRISE 616 AM PDT SUNSET 813 PM PDT  
AUGUST 21 2026........SUNRISE 617 AM PDT SUNSET 811 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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