429  
CDUS46 KSEW 120828  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1941 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 353 PM 91 2013 74 2 70  
MINIMUM 48 1158 PM 34 1988 47 1 51  
AVERAGE 62 60 2 61  
 
PRECIPITATION (IN)  
YESTERDAY T 0.51 2018 0.06 -0.06 0.03  
MONTH TO DATE T 0.60 -0.60 0.03  
SINCE OCT 1 37.93 49.18 -11.25 58.49  
SINCE JAN 1 18.85 28.05 -9.20 32.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 5 -2 4  
MONTH TO DATE 31 46 -15 15  
SINCE SEP 1 31 46 -15 15  
SINCE JUL 1 84 186 -102 89  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 9 3 6 10  
SINCE SEP 1 9 3 6 10  
SINCE JAN 1 201 108 93 240    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 43 500 PM  
AVERAGE 68  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 86 2009  
MINIMUM TEMPERATURE (F) 47 32 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 645 AM PDT SUNSET 730 PM PDT  
SEPTEMBER 13 2023.....SUNRISE 647 AM PDT SUNSET 728 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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