condition	mean	min	max
4 h after light	8.485392999999998	8.385314	8.585472
8 h after light	8.9004665	7.762856	10.038077
12 h after light	8.7905685	8.322675	9.258462
4 h after dark	7.843871999999999	7.837412	7.850332
8 h after dark	9.995058	9.56789	10.422226
12 h after dark	9.431108	9.431108	9.431108