085  
CDUS46 KSEW 220121  
CLIOLM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
621 PM PDT THU SEP 21 2023  
   
...............................
 
 
   
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 71 257 PM 91 1974 71 0 82  
MINIMUM 35 523 AM 32 1955 45 -10 37  
1971  
1993  
AVERAGE 53 58 -5 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.51 1972 0.07 -0.07 0.00  
MONTH TO DATE T 1.27 -1.27 0.03  
SINCE OCT 1 37.93 49.85 -11.92 58.49  
SINCE JAN 1 18.85 28.72 -9.87 32.11  
 
DEGREE DAYS  
HEATING  
TODAY 12 7 5 5  
MONTH TO DATE 82 107 -25 56  
SINCE SEP 1 82 107 -25 56  
SINCE JUL 1 135 247 -112 130  
 
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 3 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 42 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1990  
MINIMUM TEMPERATURE (F) 45 31 1961  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 657 AM PDT SUNSET 711 PM PDT  
SEPTEMBER 22 2023.....SUNRISE 658 AM PDT SUNSET 709 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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