131  
CDUS46 KSEW 230116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SAT JUL 22 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 22 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 441 PM 96 2006 79 2 72  
MINIMUM 56 427 AM 49 1954 58 -2 57  
1973  
AVERAGE 69 68 1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.33 1952 0.01 -0.01 0.00  
2016  
MONTH TO DATE 0.00 0.45 -0.45 0.18  
SINCE OCT 1 28.91 36.61 -7.70 45.18  
SINCE JAN 1 14.02 20.67 -6.65 25.08  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 28 -26 17  
SINCE JUN 1 114 146 -32 157  
SINCE JUL 1 2 28 -26 17  
 
COOLING  
TODAY 4 4 0 0  
MONTH TO DATE 96 60 36 49  
SINCE JUN 1 125 89 36 80  
SINCE JAN 1 160 99 61 80    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 AM  
LOWEST 38 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 1991  
MINIMUM TEMPERATURE (F) 58 47 1955  
1963  
 
SUNRISE AND SUNSET  
JULY 22 2023..........SUNRISE 535 AM PDT SUNSET 856 PM PDT  
JULY 23 2023..........SUNRISE 536 AM PDT SUNSET 854 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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