796  
CDUS46 KSEW 020119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT MON MAY 01 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 1 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 56 200 PM 85 2014 63 -7 62  
MINIMUM 49 613 AM 28 1954 46 3 44  
AVERAGE 53 54 -1 53  
 
PRECIPITATION (IN)  
TODAY 0.02 0.81 1949 0.07 -0.05 0.00  
MONTH TO DATE 0.02 0.07 -0.05 0.00  
SINCE OCT 1 26.78 32.90 -6.12 38.51  
SINCE JAN 1 11.89 16.96 -5.07 18.41  
 
SNOWFALL (IN)  
TODAY 0.0 T 1965 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 8.1 9.2  
SINCE JUL 1 8.1 9.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 12 11 1 12  
MONTH TO DATE 12 11 1 12  
SINCE MAR 1 1090 980 110 1094  
SINCE JUL 1 4177 4027 150 4351  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 500 AM  
LOWEST 61 1100 AM  
AVERAGE 69  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1945  
2016  
MINIMUM TEMPERATURE (F) 46 33 1952  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 553 AM PDT SUNSET 821 PM PDT  
MAY 2 2023...........SUNRISE 551 AM PDT SUNSET 822 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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