The 1997 El Niño/Southern
Oscillation (ENSO 97-98):
Biological observations
possibly related to El Niño
|
Colorado
|
| |
Fish
|
Birds
|
Other
|
| July |
|
|
|
| August |
|
|
|
| September |
|
|
10 |
| October |
|
|
27 |
| November |
|
|
30 |
| December |
|
|
|
| May |
|
|
07 |
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1997 El Niño/Southern Oscillation (ENSO 97-98)