018  
CDUS46 KSEW 160826  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT WED SEP 16 2026  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 68 414 PM 94 1967 73 -5 73  
MINIMUM 48 1159 PM 32 1969 46 2 50  
1970  
AVERAGE 58 60 -2 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.00 1955 0.07 0.02 T  
MONTH TO DATE 0.74 0.85 -0.11 0.07  
SINCE OCT 1 50.09 49.43 0.66 39.05  
SINCE JAN 1 24.89 28.30 -3.41 18.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 6 1 3  
MONTH TO DATE 82 68 14 27  
SINCE SEP 1 82 68 14 27  
SINCE JUL 1 171 208 -37 99  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 3 -3 9  
SINCE SEP 1 0 3 -3 9  
SINCE JAN 1 124 108 16 199    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 54 400 PM  
AVERAGE 77  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1967  
MINIMUM TEMPERATURE (F) 46 33 1973  
1992  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2026.....SUNRISE 651 AM PDT SUNSET 721 PM PDT  
SEPTEMBER 17 2026.....SUNRISE 652 AM PDT SUNSET 719 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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