condition	mean	min	max
4 h after light	9.4773435	9.101871	9.852816
8 h after light	8.2962865	7.735753	8.85682
12 h after light	8.9457255	8.63345	9.258001
4 h after dark	9.59964	8.244076	10.955204
8 h after dark	8.9857385	8.244076	9.727401
12 h after dark	8.884219	8.884219	8.884219