condition	mean	min	max
4 h after light	58.78255	42.1239	75.4412
8 h after light	57.60525	57.2056	58.0049
12 h after light	46.0458	38.4636	53.628
4 h after dark	12.58005	11.5764	13.5837
8 h after dark	7.72996	7.50054	7.95938
12 h after dark	24.8716	23.4989	26.2443