condition	mean	min	max
0 h after light	7.18031	6.64207	7.71855
4 h after light	7.833685000000001	6.54872	9.11865
8 h after light	5.748065	5.3191	6.17703
4 h after dark	7.583855	6.65383	8.51388
8 h after dark	9.46017	9.28909	9.63125
12 h after dark	8.474905	8.30549	8.64432