condition	mean	min	max
0 h after light	8.568975	7.60932	9.52863
4 h after light	22.88355	22.5071	23.26
8 h after light	34.38485	32.6225	36.1472
4 h after dark	19.3381	16.2562	22.42
8 h after dark	13.7973	13.7394	13.8552
12 h after dark	10.97167	9.91144	12.0319