condition	mean	min	max
0 h after light	7.05453	6.60028	7.50878
4 h after light	8.13904	7.74454	8.53354
8 h after light	7.522715	6.85921	8.18622
4 h after dark	7.3610050000000005	6.57952	8.14249
8 h after dark	7.996015	7.32331	8.66872
12 h after dark	7.28486	6.99481	7.57491