condition	mean	min	max
0 h after light	4.868625	4.73386	5.00339
4 h after light	9.396185	9.06326	9.72911
8 h after light	23.73305	22.0004	25.4657
4 h after dark	7.5236350000000005	6.82496	8.22231
8 h after dark	9.072795	8.89727	9.24832
12 h after dark	6.40415	4.48051	8.32779