condition	mean	min	max
4 h after light	9.6372555	8.933253	10.341258
8 h after light	8.9305065	8.815425	9.045588
12 h after light	8.657325	8.001169	9.313481
4 h after dark	9.2192785	8.811312	9.627245
8 h after dark	8.309229	8.012896	8.605562
12 h after dark	8.39071	8.39071	8.39071