condition	mean	min	max
4 h after light	4.7125	4.45562	4.96938
8 h after light	6.166634999999999	5.96652	6.36675
12 h after light	7.974690000000001	6.99078	8.9586
4 h after dark	7.923265000000001	7.35428	8.49225
8 h after dark	6.2282150000000005	5.76148	6.69495
12 h after dark	7.015365	6.84663	7.1841