condition	mean	min	max
0 h after light	13.25052	8.55904	17.942
4 h after light	6.809415	4.35275	9.26608
8 h after light	6.437295000000001	5.91694	6.95765
4 h after dark	9.66799	9.26668	10.0693
8 h after dark	8.446485000000001	7.63694	9.25603
12 h after dark	8.457985	6.67717	10.2388