255  
CDUS46 KSEW 200116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SUN MAY 19 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 19 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 62 425 PM 88 1963 67 -5 76  
MINIMUM 43 416 AM 38 1975 49 -6 53  
AVERAGE 53 58 -5 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.70 1968 0.06 -0.06 0.00  
MONTH TO DATE 0.54 1.21 -0.67 0.91  
SINCE OCT 1 31.09 34.04 -2.95 27.67  
SINCE JAN 1 13.94 18.10 -4.16 12.78  
 
SNOWFALL (IN)  
TODAY 0.0 T 1993 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 0  
MONTH TO DATE 170 167 3 92  
SINCE MAR 1 1139 1136 3 1170  
SINCE JUL 1 4029 4183 -154 4257  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 7 0 7 30  
SINCE MAR 1 7 1 6 30  
SINCE JAN 1 7 1 6 30    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 42 300 PM  
AVERAGE 66  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 1963  
MINIMUM TEMPERATURE (F) 50 40 1960  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 527 AM PDT SUNSET 845 PM PDT  
MAY 20 2024...........SUNRISE 526 AM PDT SUNSET 846 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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