condition	mean	min	max
4 h after light	3.551185	2.96896	4.13341
8 h after light	3.4062650000000003	3.23844	3.57409
12 h after light	4.90068	4.84285	4.95851
4 h after dark	7.893316666666666	6.75557	8.70689
8 h after dark	8.660866666666667	8.16217	9.07522
12 h after dark	4.481543333333334	3.85819	5.30069