condition	mean	min	max
0 h after light	18.75215	17.6369	19.8674
4 h after light	12.52675	12.3774	12.6761
8 h after light	12.032499999999999	11.8233	12.2417
4 h after dark	14.74535	14.1252	15.3655
8 h after dark	14.12725	13.2544	15.0001
12 h after dark	15.2248	13.8843	16.5653