condition	mean	min	max
4 h after light	8.1717885	7.953066	8.390511
8 h after light	9.539307	8.743443	10.335171
12 h after light	9.3057105	8.960806	9.650615
4 h after dark	8.6539645	7.917687	9.390242
8 h after dark	8.804368	8.450623	9.158113
12 h after dark	9.010998	9.010998	9.010998