condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0469457 0.0 0.0938914 12 h after light 0.052087 0.0 0.104174 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04949485 0.0 0.0989897 12 h after dark 0.0 0.0 0.0