351  
CDUS46 KSEW 310118  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT FRI MAY 30 2025  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR MAY 30 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 329 PM 92 1956 68 13 66  
MINIMUM 39 423 AM 33 1966 46 -7 38  
AVERAGE 60 57 3 52  
 
PRECIPITATION (IN)  
TODAY 0.00 0.86 1990 0.07 -0.07 0.00  
MONTH TO DATE 0.95 2.20 -1.25 1.38  
SINCE OCT 1 37.49 45.57 -8.08 43.21  
SINCE JAN 1 16.59 24.44 -7.85 22.85  
 
DEGREE DAYS  
HEATING  
TODAY 5 8 -3 13  
MONTH TO DATE 332 317 15 336  
SINCE MAR 1 1409 1469 -60 1399  
SINCE JUL 1 4847 5178 -331 4559  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE MAR 1 0 0 0 3  
SINCE JAN 1 0 0 0 3    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 26 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1986  
MINIMUM TEMPERATURE (F) 46 30 1953  
 
SUNRISE AND SUNSET  
MAY 30 2025...........SUNRISE 522 AM PDT SUNSET 857 PM PDT  
MAY 31 2025...........SUNRISE 521 AM PDT SUNSET 858 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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