The 1997 El Niño/Southern Oscillation (ENSO 97-98):
Biological observations possibly related to El Niño
 
 Alaska
 
Fish / marine mammals
Birds
Other
July Jul   28
August Early 
Aug
06 
11 
11 
11 
13
September Sep 
Sep2 
03 
10 
10 
11 
16 
17 
16 
21 
May-Sep 
08 
11
 
October Oct 
31
30 Oct 
27
November Nov 
20
06 14 
15
December     01 
28 
29
January 23
February 05  27 06 
March 20 28 
31
09 
16
April 08 
17
05 
 
May 05 28 
30
June   25  
July 30    
 
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