623  
CDUS46 KSEW 200827  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT SUN APR 20 2025  
   
...............................  
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR APRIL 19 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 61 320 PM 86 2016 60 1 69  
MINIMUM 43 538 AM 26 1964 38 5 29  
1966  
AVERAGE 52 49 3 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.31 1965 0.12 -0.11 0.00  
MONTH TO DATE 2.26 2.54 -0.28 1.04  
SINCE OCT 1 36.37 42.24 -5.87 40.41  
SINCE JAN 1 15.47 21.11 -5.64 20.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 16 -3 16  
MONTH TO DATE 309 338 -29 324  
SINCE MAR 1 918 986 -68 904  
SINCE JUL 1 4356 4695 -339 4064  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 42 300 PM  
AVERAGE 71  
   
......................................................  
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 83 2016  
MINIMUM TEMPERATURE (F) 38 26 1951  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 614 AM PDT SUNSET 808 PM PDT  
APRIL 21 2025.........SUNRISE 612 AM PDT SUNSET 809 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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