condition	mean	min	max
0 h after light	17.59535	17.0418	18.1489
4 h after light	7.540445	7.46769	7.6132
8 h after light	8.70787	8.45545	8.96029
4 h after dark	12.897549999999999	10.3037	15.4914
8 h after dark	11.9981	11.391	12.6052
12 h after dark	19.98285	13.7985	26.1672