condition	mean	min	max
4 h after light	4.45232	4.35299	4.55515
8 h after light	4.394303333333334	4.300590000000001	4.508780000000001
12 h after light	4.35085	4.24109	4.500780000000001
4 h after dark	4.359976666666666	4.23471	4.602580000000001
8 h after dark	4.441386666666666	4.31175	4.65827
12 h after dark	4.4646099999999995	4.22556	4.90902