781  
CDUS46 KSEW 210117  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT THU APR 20 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR APRIL 20 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 49 MM 81 1934 55  
MINIMUM 37 MM 33 1927 38  
AVERAGE 43 47  
 
PRECIPITATION (IN)  
TODAY 0.03 1.01 1965 0.08  
MONTH TO DATE 2.51 2.06  
SINCE OCT 1 27.02 32.33  
SINCE JAN 1 12.01 15.30  
 
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 22 18  
MONTH TO DATE 368 353  
SINCE MAR 1 977 892  
SINCE JUL 1 3986 3992  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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