condition	mean	min	max
4 h after light	4.71723	4.58255	4.80588
8 h after light	4.80875	4.74523	4.85074
12 h after light	4.593413333333333	4.463080000000001	4.83469
4 h after dark	4.592156666666667	4.56191	4.65099
8 h after dark	4.563743333333333	4.36836	4.70892
12 h after dark	4.65942	4.43026	4.903969999999999