582  
CDUS46 KSEW 310826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI MAY 31 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 30 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 63 411 PM 87 1956 69 -6 63  
2007  
MINIMUM 48 556 AM 36 1951 51 -3 48  
AVERAGE 56 60 -4 56  
 
PRECIPITATION (IN)  
YESTERDAY T 1.14 2020 0.06 -0.06 0.00  
MONTH TO DATE 1.54 1.83 -0.29 0.93  
SINCE OCT 1 32.09 34.66 -2.57 27.69  
SINCE JAN 1 14.94 18.72 -3.78 12.80  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1955 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 9 6 3 9  
MONTH TO DATE 287 236 51 148  
SINCE MAR 1 1256 1205 51 1226  
SINCE JUL 1 4146 4252 -106 4313  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 7 0 7 35  
SINCE MAR 1 7 1 6 35  
SINCE JAN 1 7 1 6 35    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 41 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1964  
MINIMUM TEMPERATURE (F) 51 35 1953  
 
SUNRISE AND SUNSET  
MAY 31 2024...........SUNRISE 516 AM PDT SUNSET 858 PM PDT  
JUNE 1 2024..........SUNRISE 516 AM PDT SUNSET 859 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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