condition	mean	min	max
0 h after light	14.20235	12.4822	15.9225
4 h after light	4.863054999999999	4.74846	4.97765
8 h after light	19.09875	18.8267	19.3708
4 h after dark	16.8161	16.4008	17.2314
8 h after dark	1.72922	1.52992	1.92852
12 h after dark	16.26325	12.7985	19.728