| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | 111 | Arctic Ocean basin | |||||||||||
| 111 | 111 | 111 | USA | Avak River, Alaska | |||||||||
| 111 | 111 | Alaska | Chatanika River, near Fairbanks | ||||||||||
| 111 | 111 | 111 | Canada | Great Slave Lake | |||||||||
| Not specified | |||||||||||||
| 111 | 111 | 111 | Canada | Shingle Point | |||||||||
| 111 | 111 | Russia | Yenisei River, Siberia |