condition	mean	min	max
0 h after light	9.24522	8.76036	9.73008
4 h after light	8.513035	8.28278	8.74329
8 h after light	7.597875	7.39713	7.79862
4 h after dark	2.84696	2.18596	3.50796
8 h after dark	2.010185	1.94084	2.07953
12 h after dark	5.792945	4.45188	7.13401