condition	mean	min	max
4 h after light	6.527995	6.07905	6.97694
8 h after light	10.8586	10.5223	11.1949
12 h after light	8.653220000000001	7.25464	10.0518
4 h after dark	3.8868633333333333	3.71765	4.07701
8 h after dark	2.96854	2.69592	3.33027
12 h after dark	4.735303333333333	4.59525	4.82035