condition mean min max 0 h after light 0.0299506 0.0 0.0599012 4 h after light 0.060047100000000006 0.0590593 0.0610349 8 h after light 0.059263 0.0 0.118526 4 h after dark 0.02953155 0.0 0.0590631 8 h after dark 0.1187361 0.0589952 0.178477 12 h after dark 0.02925885 0.0 0.0585177