This is the hatch chart for the Green river in North Eastern Utah.
| Common Name | Dates of Emergence |
| Blue-Winged Olive | Mar. 1 - May 30 |
| Blue-Winged Olive | Oct. 1 - Dec. 31 |
| Midges, Scuds, ect. | Jan 1 - Dec. 31 |
| Pale Morning Dun | May 20 - July 30 |
| Caddis (various) | May 20 - Aug. 20 |
| Terrestrials | May 20 - Dec. 15 |
| Cicada | June 1 - Oct. 31 |
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