condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.082758 0.0 0.165516 4 h after light 0.0 0.0 0.0 8 h after light 0.1699835 0.0 0.339967 12 h after light 0.0942995 0.0 0.188599 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.185837 0.0 0.371674 12 h after dark 0.088183 0.0 0.176366