condition	mean	min	max
0 h after light	6.828465	6.15857	7.49836
4 h after light	11.07537	9.80444	12.3463
8 h after light	14.411950000000001	13.1338	15.6901
4 h after dark	16.3782	15.9007	16.8557
8 h after dark	12.4235	12.2113	12.6357
12 h after dark	8.142345	6.40627	9.87842