371  
CDUS46 KSEW 190827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT WED JUN 19 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 18 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 67 527 PM 94 1982 71 -4 62  
MINIMUM 49 430 AM 43 1954 53 -4 47  
AVERAGE 58 62 -4 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.41 2011 0.05 -0.05 0.17  
MONTH TO DATE 1.16 0.96 0.20 0.79  
SINCE OCT 1 33.25 35.67 -2.42 28.48  
SINCE JAN 1 16.10 19.73 -3.63 13.59  
 
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 7 4 3 10  
MONTH TO DATE 115 83 32 83  
SINCE JUN 1 115 83 32 83  
SINCE JUL 1 4266 4341 -75 4404  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 18 -17 17  
SINCE JUN 1 1 18 -17 17  
SINCE JAN 1 8 28 -20 52    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 300 AM  
LOWEST 42 400 PM  
AVERAGE 63  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1982  
MINIMUM TEMPERATURE (F) 53 43 1951  
1955  
 
SUNRISE AND SUNSET  
JUNE 19 2024..........SUNRISE 512 AM PDT SUNSET 910 PM PDT  
JUNE 20 2024..........SUNRISE 512 AM PDT SUNSET 910 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WA Page Main Text Page