condition	mean	min	max
4 h after light	68.6	68.6	68.6
8 h after light	50.55	35.1	66.0
12 h after light	28.35	21.8	34.9
4 h after dark	24.65	21.3	28.0
8 h after dark	16.0	1.5	30.5
12 h after dark	10.1	1.9	18.3