309  
CDUS46 KSEW 180826  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT WED JUN 18 2025  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR JUNE 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 75 528 PM 93 1958 71 4 66  
1969  
MINIMUM 44 501 AM 38 1971 48 -4 46  
2011  
AVERAGE 60 59 1 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.67 1997 0.05 -0.05 0.00  
MONTH TO DATE 0.01 0.96 -0.95 2.19  
SINCE OCT 1 37.51 46.59 -9.08 45.40  
SINCE JAN 1 16.61 25.46 -8.85 25.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 6 -1 9  
MONTH TO DATE 100 122 -22 134  
SINCE JUN 1 100 122 -22 134  
SINCE JUL 1 4956 5309 -353 4702  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 0 16 0  
SINCE JUN 1 16 0 16 0  
SINCE JAN 1 16 2 14 3    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 32 1200 PM  
AVERAGE 65  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 98 1982  
MINIMUM TEMPERATURE (F) 48 37 2001  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 516 AM PDT SUNSET 910 PM PDT  
JUNE 19 2025..........SUNRISE 516 AM PDT SUNSET 910 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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