condition	mean	min	max
4 h after light	15.6028935	14.739387	16.4664
8 h after light	16.6438345	16.327993	16.959676
12 h after light	12.553261	12.043556	13.062966
4 h after dark	13.704082	12.946525	14.461639
8 h after dark	16.6234905	15.677696	17.569285
12 h after dark	13.816991	13.816991	13.816991