| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alaska | Alatna River | ||||||||||||
| 111 | Russia | Anadyr River | |||||||||||
| 111 | 111 | Arctic Ocean basin | |||||||||||
| 111 | 111 | Caspian Sea | |||||||||||
| 111 | 111 | Russia | Enisey river | ||||||||||
| Alaska | Kobuk River | ||||||||||||
| Alaska | Kuskokwim River | ||||||||||||
| 111 | 111 | Northeastern Atlantic and Mediterranean | |||||||||||
| Alaska | Tolovana and Chatanika rivers, with a few entering the Chena River and other clear streams | ||||||||||||
| 111 | 111 | Alaska | Upper reaches of Alaskan rivers | ||||||||||
| Alaska | upper Yukon |