033  
CDUS46 KSEW 180826  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT MON AUG 18 2025  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 74 346 PM 98 1977 78 -4 85  
MINIMUM 58 513 AM 38 1973 51 7 47  
AVERAGE 66 64 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.58 2024 0.04 -0.04 0.58  
MONTH TO DATE 1.05 0.39 0.66 0.58  
SINCE OCT 1 38.92 48.01 -9.09 46.24  
SINCE JAN 1 18.02 26.88 -8.86 25.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 13 34 -21 12  
SINCE JUN 1 225 296 -71 217  
SINCE JUL 1 60 107 -47 36  
 
COOLING  
YESTERDAY 1 2 -1 1  
MONTH TO DATE 45 34 11 48  
SINCE JUN 1 141 93 48 170  
SINCE JAN 1 141 95 46 173    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 48 400 PM  
AVERAGE 71  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 2022  
MINIMUM TEMPERATURE (F) 50 33 1973  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 613 AM PDT SUNSET 816 PM PDT  
AUGUST 19 2025........SUNRISE 615 AM PDT SUNSET 815 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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