condition mean min max 3 h after light 0.101757 0.0 0.305271 6 h after light 0.06722266666666667 0.0 0.201668 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.17552033333333333 0.0 0.328328 9 h after dark 0.0 0.0 0.0 12 h after dark 0.40417000000000003 0.353868 0.454472