897  
CDUS46 KSEW 050116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT TUE JUL 04 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 4 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 88 412 PM 92 2015 75 13 MM  
MINIMUM 58 331 AM 43 1949 56 2 51  
AVERAGE 73 65 8 MM  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1992 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.10 -0.10 0.09  
SINCE OCT 1 28.91 36.26 -7.35 45.09  
SINCE JAN 1 14.02 20.32 -6.30 24.99  
 
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 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 MM  
MONTH TO DATE 0 8 -8 14  
SINCE JUN 1 112 126 -14 154  
SINCE JUL 1 0 8 -8 14  
 
COOLING  
TODAY 8 2 6 MM  
MONTH TO DATE 19 8 11 0  
SINCE JUN 1 48 37 11 31  
SINCE JAN 1 83 47 36 31    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 600 AM  
LOWEST 23 300 PM  
AVERAGE 47  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 91 1958  
2015  
MINIMUM TEMPERATURE (F) 56 47 1951  
1952  
 
SUNRISE AND SUNSET  
JULY 4 2023..........SUNRISE 518 AM PDT SUNSET 909 PM PDT  
JULY 5 2023..........SUNRISE 519 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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