995  
CDUS46 KSEW 230832  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
132 AM PDT THU MAY 23 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 22 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 60 625 PM 86 1969 68 -8 65  
MINIMUM 46 621 AM 37 1960 50 -4 49  
AVERAGE 53 59 -6 57  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY MM 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 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  
YESTERDAY 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 5 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 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1200 AM  
LOWEST 49 500 PM  
AVERAGE 65  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1969  
MINIMUM TEMPERATURE (F) 50 37 1950  
1980  
 
SUNRISE AND SUNSET  
MAY 23 2024...........SUNRISE 523 AM PDT SUNSET 850 PM PDT  
MAY 24 2024...........SUNRISE 522 AM PDT SUNSET 851 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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