624  
CDUS46 KSEW 190135  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
635 PM PDT MON SEP 18 2023  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 319 PM 86 1991 72 -2 75  
MINIMUM 53 640 AM 31 1965 46 7 46  
AVERAGE 62 59 3 61  
 
PRECIPITATION (IN)  
TODAY T 0.85 2010 0.07 -0.07 0.00  
MONTH TO DATE T 1.05 -1.05 0.03  
SINCE OCT 1 37.93 49.63 -11.70 58.49  
SINCE JAN 1 18.85 28.50 -9.65 32.11  
 
DEGREE DAYS  
HEATING  
TODAY 3 6 -3 4  
MONTH TO DATE 51 86 -35 40  
SINCE SEP 1 51 86 -35 40  
SINCE JUL 1 104 226 -122 114  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 11 3 8 10  
SINCE SEP 1 11 3 8 10  
SINCE JAN 1 203 108 95 240    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 39 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1999  
MINIMUM TEMPERATURE (F) 46 30 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 653 AM PDT SUNSET 717 PM PDT  
SEPTEMBER 19 2023.....SUNRISE 654 AM PDT SUNSET 715 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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