condition	mean	min	max
4 h after light	6.123975	5.29515	6.9528
8 h after light	6.894674999999999	6.50831	7.28104
12 h after light	7.884895	7.86015	7.90964
4 h after dark	8.120716666666667	7.40941	8.95041
8 h after dark	8.996973333333333	8.30888	10.1141
12 h after dark	7.78064	7.4326	8.13306