073  
CDUS46 KSEW 040827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT TUE JUL 04 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 3 2023
 
 
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)  
YESTERDAY  
MAXIMUM 82 337 PM 92 2015 75 7 58  
MINIMUM 55 441 AM 44 1954 55 0 52  
AVERAGE 69 65 4 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 1966 0.03 -0.03 0.09  
MONTH TO DATE 0.00 0.08 -0.08 0.09  
SINCE OCT 1 28.91 36.24 -7.33 45.09  
SINCE JAN 1 14.02 20.30 -6.28 24.99  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 2 -2 10  
MONTH TO DATE 0 6 -6 14  
SINCE JUN 1 112 124 -12 154  
SINCE JUL 1 0 6 -6 14  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 11 6 5 0  
SINCE JUN 1 40 35 5 31  
SINCE JAN 1 75 45 30 31    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 400 AM  
LOWEST 28 100 PM  
AVERAGE 50  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 2015  
MINIMUM TEMPERATURE (F) 56 43 1949  
 
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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