959  
CDUS46 KSEW 210828  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PDT MON JUL 21 2025  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR JULY 20 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 68 601 PM 102 1994 79 -11 91  
MINIMUM 45 300 AM 40 1953 51 -6 52  
1966  
AVERAGE 57 65 -8 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.29 2007 0.01 -0.01 0.00  
MONTH TO DATE T 0.38 -0.38 0.01  
SINCE OCT 1 37.87 47.47 -9.60 45.46  
SINCE JAN 1 16.97 26.34 -9.37 25.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 2 6 0  
MONTH TO DATE 33 54 -21 9  
SINCE JUN 1 198 243 -45 190  
SINCE JUL 1 33 54 -21 9  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 51 26 25 106  
SINCE JUN 1 77 38 39 117  
SINCE JAN 1 77 40 37 120    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 AM  
LOWEST 56 400 PM  
AVERAGE 76  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 101 2006  
MINIMUM TEMPERATURE (F) 51 40 1966  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 539 AM PDT SUNSET 857 PM PDT  
JULY 22 2025..........SUNRISE 540 AM PDT SUNSET 856 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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