condition	mean	min	max
0 h after light	8.118115	7.75939	8.47684
4 h after light	6.5086949999999995	6.45631	6.56108
8 h after light	4.57726	4.44215	4.71237
4 h after dark	21.66035	17.5799	25.7408
8 h after dark	14.4	13.2055	15.5945
12 h after dark	11.88555	10.4597	13.3114