Center of Action | January | February | March | April | May | June | July | August | September | October | November | December |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Great Lakes (Cross) | 5417 | 5422 | 5483 | 5560 | 5667 | 5753 | 5804 | 5811 | 5777 | 5664 | 5576 | 5483 |
Alaska (Triangle) | 5197 | 5212 | 5234 | 5287 | 5430 | 5535 | 5585 | 5530 | 5410 | 5297 | 5222 | 5196 |