579  
CDUS46 KSEW 020119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT SAT JUL 01 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 1 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 80 259 PM 94 2014 74 6 75  
MINIMUM 57 448 AM 45 1948 55 2 55  
1949  
1973  
AVERAGE 69 65 4 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1954 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.03 -0.03 0.00  
SINCE OCT 1 28.91 36.19 -7.28 45.00  
SINCE JAN 1 14.02 20.25 -6.23 24.90  
 
SNOWFALL (IN)  
TODAY 0.0 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 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 2 -2 0  
SINCE JUN 1 112 120 -8 140  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
TODAY 4 2 2 0  
MONTH TO DATE 4 2 2 0  
SINCE JUN 1 33 31 2 31  
SINCE JAN 1 68 41 27 31    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 700 AM  
LOWEST 30 300 PM  
AVERAGE 49  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 2015  
MINIMUM TEMPERATURE (F) 55 43 1954  
 
SUNRISE AND SUNSET  
JULY 1 2023..........SUNRISE 516 AM PDT SUNSET 910 PM PDT  
JULY 2 2023..........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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