216  
CDUS46 KSEW 230121  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
621 PM PDT WED MAY 22 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 22 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 60 459 PM 86 1969 68 -8 65  
MINIMUM 46 621 AM 37 1960 50 -4 49  
AVERAGE 53 59 -6 57  
 
PRECIPITATION (IN)  
TODAY T 0.67 1984 0.05 -0.05 0.01  
MONTH TO DATE 1.20 1.37 -0.17 0.93  
SINCE OCT 1 31.75 34.20 -2.45 27.69  
SINCE JAN 1 14.60 18.26 -3.66 12.80  
 
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 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 12 7 5 8  
MONTH TO DATE 208 188 20 109  
SINCE MAR 1 1177 1157 20 1187  
SINCE JUL 1 4067 4204 -137 4274  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 7 0 7 31  
SINCE MAR 1 7 1 6 31  
SINCE JAN 1 7 1 6 31    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1200 AM  
LOWEST 55 100 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1969  
MINIMUM TEMPERATURE (F) 50 37 1950  
1980  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 524 AM PDT SUNSET 849 PM PDT  
MAY 23 2024...........SUNRISE 523 AM PDT SUNSET 850 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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