110  
CDUS46 KSEW 130119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT FRI JUL 12 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 12 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 83 443 PM 97 1961 77 6 75  
MINIMUM 56 504 AM 47 1954 57 -1 54  
AVERAGE 70 67 3 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.64 1972 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.29 -0.29 0.00  
SINCE OCT 1 33.28 36.45 -3.17 28.91  
SINCE JAN 1 16.13 20.51 -4.38 14.02  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 18 -16 2  
SINCE JUN 1 134 136 -2 114  
SINCE JUL 1 2 18 -16 2  
 
COOLING  
TODAY 5 3 2 0  
MONTH TO DATE 92 26 66 38  
SINCE JUN 1 111 55 56 67  
SINCE JAN 1 118 65 53 102    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 300 AM  
LOWEST 37 300 PM  
AVERAGE 62  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 93 1961  
MINIMUM TEMPERATURE (F) 57 50 1968  
2001  
2010  
 
SUNRISE AND SUNSET  
JULY 12 2024..........SUNRISE 525 AM PDT SUNSET 904 PM PDT  
JULY 13 2024..........SUNRISE 526 AM PDT SUNSET 903 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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