condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.48541650000000003 0.0 0.824639 3 h after dark 0.23074833333333333 0.0 0.424959 6 h after dark 0.42642 0.0 0.912122 9 h after dark 0.33918966666666667 0.0 0.824056 12 h after dark 0.1052135 0.0 0.210427