595  
CDUS46 KSEW 140827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT SUN JUL 14 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 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 88 341 PM 93 1961 77 11 80  
MINIMUM 60 448 AM 50 1968 57 3 54  
2001  
2010  
AVERAGE 74 67 7 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1981 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.30 -0.30 0.00  
SINCE OCT 1 33.28 36.46 -3.18 28.91  
SINCE JAN 1 16.13 20.52 -4.39 14.02  
 
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 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 19 -17 2  
SINCE JUN 1 134 137 -3 114  
SINCE JUL 1 2 19 -17 2  
 
COOLING  
YESTERDAY 9 3 6 2  
MONTH TO DATE 101 29 72 40  
SINCE JUN 1 120 58 62 69  
SINCE JAN 1 127 68 59 104    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 400 AM  
LOWEST 29 600 PM  
AVERAGE 55  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 1996  
MINIMUM TEMPERATURE (F) 57 50 1982  
 
SUNRISE AND SUNSET  
JULY 14 2024..........SUNRISE 527 AM PDT SUNSET 902 PM PDT  
JULY 15 2024..........SUNRISE 528 AM PDT SUNSET 902 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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