condition	mean	min	max
0 h after light	12.497050000000002	11.4053	13.5888
4 h after light	7.476145000000001	6.60039	8.3519
8 h after light	8.766985	8.00297	9.531
4 h after dark	10.405650000000001	10.0448	10.7665
8 h after dark	8.62314	8.35816	8.88812
12 h after dark	8.20879	7.62626	8.79132