condition	mean	min	max
4 h after light	13.12405	13.0807	13.1674
8 h after light	12.45235	11.9721	12.9326
12 h after light	12.27575	10.6174	13.9341
4 h after dark	21.7235	20.5583	22.8887
8 h after dark	21.209200000000003	19.7739	22.6445
12 h after dark	20.388550000000002	19.2602	21.5169