815  
CDUS46 KSEW 030124  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
624 PM PDT TUE MAY 02 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 2 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 70 458 PM 87 1945 63 7 54  
2016  
MINIMUM 50 520 AM 33 1952 46 4 47  
AVERAGE 60 55 5 51  
 
PRECIPITATION (IN)  
TODAY 0.01 0.47 1975 0.07 -0.06 0.37  
MONTH TO DATE 0.03 0.14 -0.11 0.37  
SINCE OCT 1 26.79 32.97 -6.18 38.88  
SINCE JAN 1 11.90 17.03 -5.13 18.78  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 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 5 10 -5 14  
MONTH TO DATE 17 21 -4 26  
SINCE MAR 1 1095 990 105 1108  
SINCE JUL 1 4182 4037 145 4365  
 
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 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 49 400 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 77 1992  
MINIMUM TEMPERATURE (F) 46 35 1950  
 
SUNRISE AND SUNSET  
MAY 2 2023...........SUNRISE 551 AM PDT SUNSET 822 PM PDT  
MAY 3 2023...........SUNRISE 549 AM PDT SUNSET 824 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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