condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.046823 0.0 0.093646 4 h after dark 0.0233325 0.0 0.046665 8 h after dark 0.0235021 0.0 0.0470042 12 h after dark 0.02311705 0.0 0.0462341