condition	mean	min	max
4 h after light	18.6834	17.6101	19.7567
8 h after light	20.639049999999997	19.1669	22.1112
12 h after light	25.02525	23.2943	26.7562
4 h after dark	31.5169	28.4251	34.6087
8 h after dark	24.7568	23.5478	25.9658
12 h after dark	21.043100000000003	20.4323	21.6539