988  
CDUS46 KSEW 240117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT TUE JUL 23 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 23 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 76 433 PM 99 1991 79 -3 84  
MINIMUM 58 528 AM 47 1955 58 0 59  
1963  
AVERAGE 67 68 -1 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.76 2014 0.02 -0.02 0.00  
MONTH TO DATE T 0.47 -0.47 0.00  
SINCE OCT 1 33.28 36.63 -3.35 28.91  
SINCE JAN 1 16.13 20.69 -4.56 14.02  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 1 -1 0  
MONTH TO DATE 4 29 -25 2  
SINCE JUN 1 136 147 -11 114  
SINCE JUL 1 4 29 -25 2  
 
COOLING  
TODAY 2 4 -2 7  
MONTH TO DATE 151 64 87 103  
SINCE JUN 1 170 93 77 132  
SINCE JAN 1 177 103 74 167    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 100 AM  
LOWEST 32 400 PM  
AVERAGE 50  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 95 2004  
MINIMUM TEMPERATURE (F) 58 43 1953  
 
SUNRISE AND SUNSET  
JULY 23 2024..........SUNRISE 537 AM PDT SUNSET 854 PM PDT  
JULY 24 2024..........SUNRISE 538 AM PDT SUNSET 852 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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