Season Duration (weeks) Survival probability (mild winter) Survival probability (harsh winter)
Summer 8 0.508 (0.428 - 0.594) 0.508 (0.428 - 0.594)
Autumn 12 0.673 (0.592 - 0.748) 0.673 (0.592 - 0.748)
Winter 20 0.734 (0.624 - 0.823) 0.481 (0.337 - 0.626)
Spring 12 0.712 (0.611 - 0.801) 0.712 (0.611 - 0.801)
Annual Survival 52 0.178 (0.097 - 0.293) 0.117 (0.052 - 0.223)