condition mean min max 3 h after light 0.063224 0.0 0.189672 6 h after light 0.07766733333333332 0.0 0.233002 9 h after light 0.09241033333333333 0.0 0.277231 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.08879466666666667 0.0 0.266384 12 h after dark 0.0 0.0 0.0