490  
CDUS46 KSEW 290937  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
137 AM PST FRI DEC 29 2023  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 54 249 PM 56 1980 44 10 45  
MINIMUM 43 432 AM 10 1990 33 10 36  
AVERAGE 49 38 11 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 1.20 2011 0.26 -0.12 0.07  
MONTH TO DATE 10.60 7.10 3.50 6.79  
SINCE OCT 1 20.24 20.38 -0.14 18.14  
SINCE JAN 1 41.39 49.87 -8.48 50.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 26 -10 24  
MONTH TO DATE 540 731 -191 768  
SINCE DEC 1 540 731 -191 768  
SINCE JUL 1 1740 2162 -422 2033  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 203 113 90 241    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 1.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 PM  
LOWEST 79 100 AM  
AVERAGE 86  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 55 1975  
MINIMUM TEMPERATURE (F) 33 4 1990  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 757 AM PST SUNSET 430 PM PST  
DECEMBER 30 2023......SUNRISE 757 AM PST SUNSET 431 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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