934  
CDUS46 KSEW 160118  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT SAT JUN 15 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 15 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 60 349 PM 88 1963 71 -11 72  
MINIMUM 48 823 AM 43 1949 53 -5 47  
AVERAGE 54 62 -8 60  
 
PRECIPITATION (IN)  
TODAY T 1.05 2017 0.06 -0.06 0.00  
MONTH TO DATE 1.12 0.82 0.30 0.42  
SINCE OCT 1 33.21 35.53 -2.32 28.11  
SINCE JAN 1 16.06 19.59 -3.53 13.22  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 11 4 7 5  
MONTH TO DATE 90 71 19 60  
SINCE JUN 1 90 71 19 60  
SINCE JUL 1 4241 4329 -88 4381  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 1 15 -14 17  
SINCE JUN 1 1 15 -14 17  
SINCE JAN 1 8 25 -17 52    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 49 200 PM  
AVERAGE 66  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 1961  
1969  
MINIMUM TEMPERATURE (F) 53 42 1954  
 
SUNRISE AND SUNSET  
JUNE 15 2024..........SUNRISE 512 AM PDT SUNSET 908 PM PDT  
JUNE 16 2024..........SUNRISE 512 AM PDT SUNSET 909 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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