371  
CDUS46 KSEW 220123  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
623 PM PDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1894 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 MM 92 1963 66  
MINIMUM 55 MM 40 1916 44  
AVERAGE 58 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.15 2020 0.00  
MONTH TO DATE 0.79 2.56  
SINCE OCT 1 28.45 35.77  
SINCE JAN 1 13.44 18.74  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.6 5.3  
SINCE JUL 1 2.6 5.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 7 10  
MONTH TO DATE 103 254  
SINCE MAR 1 1176 1280  
SINCE JUL 1 4185 4380  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 20 0  
SINCE MAR 1 20 0  
SINCE JAN 1 20 0    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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