condition mean min max 3 h after light 0.20568166666666668 0.0 0.319867 6 h after light 0.1625337 0.0 0.399264 9 h after light 0.05279963333333333 0.0 0.0830249 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0317764 0.0 0.0953292