018  
CDUS46 KSEW 250119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT SAT JUN 24 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 24 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 458 PM 92 1992 73 -2 77  
MINIMUM 52 404 AM 45 1952 54 -2 52  
1985  
AVERAGE 62 63 -1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 1.00 1999 0.04 -0.04 0.00  
MONTH TO DATE 1.22 1.23 -0.01 2.66  
SINCE OCT 1 28.91 35.94 -7.03 44.99  
SINCE JAN 1 14.02 20.00 -5.98 24.89  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 8.1 9.2  
SINCE JUL 1 8.1 9.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 3 0 0  
MONTH TO DATE 110 102 8 133  
SINCE JUN 1 110 102 8 133  
SINCE JUL 1 4431 4360 71 4847  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 20 24 -4 0  
SINCE JUN 1 20 24 -4 0  
SINCE JAN 1 55 34 21 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 43 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 96 2017  
MINIMUM TEMPERATURE (F) 54 45 1949  
1956  
 
SUNRISE AND SUNSET  
JUNE 24 2023..........SUNRISE 513 AM PDT SUNSET 910 PM PDT  
JUNE 25 2023..........SUNRISE 513 AM PDT SUNSET 910 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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