condition	mean	min	max
4 h after light	9.10435	7.1446	11.0641
8 h after light	5.4318	5.31182	5.55178
12 h after light	6.937374999999999	5.4471	8.42765
4 h after dark	12.714333333333332	10.9348	14.0273
8 h after dark	15.525400000000001	14.0942	16.6796
12 h after dark	14.774833333333333	13.9585	15.5538