| Region | 1986 | 1989 | 2003 |
| Northern Atlantic | June, August, September, November | June, July, August, September, October, November, December | April, June, July, August, September, October, November, December | Eastern Pacific | May, June, July, August, September, October | January, May, June, July, August, September, October | January, May, June, July, August, September, October | Western Pacific | Throughout the year | January, April, May, June, July, August, September, October, November, December | April, May, June, July, August, September, October, November, December |
|
|