condition	mean	min	max
0 h after light	10.83925	10.3085	11.37
4 h after light	6.2268	5.72921	6.72439
8 h after light	6.578615	6.30663	6.8506
4 h after dark	7.865295	7.36307	8.36752
8 h after dark	9.29542	8.97322	9.61762
12 h after dark	9.86547	8.18854	11.5424