condition	mean	min	max
4 h after light	21.52585	20.4929	22.5588
8 h after light	9.176935	9.04835	9.30552
12 h after light	5.1417850000000005	4.39809	5.88548
4 h after dark	4.294955	3.58912	5.00079
8 h after dark	7.994255000000001	7.94193	8.04658
12 h after dark	14.06245	13.2547	14.8702