condition	mean	min	max
4 h after light	16.313861	14.599276	18.028446
8 h after light	16.8282025	14.276761	19.379644
12 h after light	17.8648925	15.909006	19.820779
4 h after dark	16.675010999999998	16.432544	16.917478
8 h after dark	18.3503975	16.917478	19.783317
12 h after dark	16.917478	16.917478	16.917478