condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0461508 0.0 0.0923016 8 h after light 0.04610615 0.0 0.0922123 4 h after dark 0.04465985 0.0 0.0893197 8 h after dark 0.2241705 0.178434 0.269907 12 h after dark 0.04523275 0.0 0.0904655