condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0565833 0.0 0.137444 12 h after light 0.0 0.0 0.0 4 h after dark 0.11227233333333332 0.0 0.336817 8 h after dark 0.0 0.0 0.0 12 h after dark 0.02360016666666667 0.0 0.0708005