948  
CDUS46 KSEW 010827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT MON JUL 01 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 30 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 76 347 PM 96 1995 74 2 79  
MINIMUM 59 519 AM 43 1949 55 4 58  
AVERAGE 68 64 4 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 1954 0.03 -0.03 0.00  
MONTH TO DATE 1.19 1.45 -0.26 1.22  
SINCE OCT 1 33.28 36.16 -2.88 28.91  
SINCE JAN 1 16.13 20.22 -4.09 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 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 132 117 15 112  
SINCE JUN 1 132 117 15 112  
SINCE JUL 1 4283 4375 -92 4433  
 
COOLING  
YESTERDAY 3 2 1 4  
MONTH TO DATE 19 29 -10 29  
SINCE JUN 1 19 29 -10 29  
SINCE JAN 1 26 39 -13 64    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 45 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 2014  
MINIMUM TEMPERATURE (F) 55 45 1948  
1949  
1973  
 
SUNRISE AND SUNSET  
JULY 1 2024..........SUNRISE 517 AM PDT SUNSET 910 PM PDT  
JULY 2 2024..........SUNRISE 517 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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