493  
CDUS46 KSEW 140826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI JUN 14 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 13 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 526 PM 94 2002 70 -2 66  
MINIMUM 49 419 AM 42 1945 53 -4 52  
1952  
AVERAGE 59 62 -3 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 2021 0.05 -0.05 0.00  
MONTH TO DATE 1.11 0.71 0.40 0.42  
SINCE OCT 1 33.20 35.42 -2.22 28.11  
SINCE JAN 1 16.05 19.48 -3.43 13.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 4 2 6  
MONTH TO DATE 70 63 7 49  
SINCE JUN 1 70 63 7 49  
SINCE JUL 1 4221 4321 -100 4370  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 13 -12 17  
SINCE JUN 1 1 13 -12 17  
SINCE JAN 1 8 23 -15 52    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 300 AM  
LOWEST 33 200 PM  
AVERAGE 54  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1988  
MINIMUM TEMPERATURE (F) 53 43 1945  
1955  
 
SUNRISE AND SUNSET  
JUNE 14 2024..........SUNRISE 512 AM PDT SUNSET 908 PM PDT  
JUNE 15 2024..........SUNRISE 512 AM PDT SUNSET 908 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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