condition	mean	min	max
0 h after light	6.30854	6.11494	6.50214
4 h after light	9.274345	8.6785	9.87019
8 h after light	13.00095	12.7423	13.2596
4 h after dark	9.81524	9.72578	9.9047
8 h after dark	9.448025000000001	9.18145	9.7146
12 h after dark	6.873025	6.18419	7.56186