condition mean min max 3 h after light 0.05589666666666667 0.0 0.16769 6 h after light 0.0 0.0 0.0 9 h after light 0.07424433333333333 0.0 0.222733 12 h after light 0.0 0.0 0.0 3 h after dark 0.12055033333333333 0.0 0.205477 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0