condition	mean	min	max
4 h after light	14.104059	13.869265	14.338853
8 h after light	13.1672325	12.585709	13.748756
12 h after light	14.126962	12.72629	15.527634
4 h after dark	17.2477665	15.673413	18.82212
8 h after dark	17.2722985	16.356819	18.187778
12 h after dark	19.894349	19.894349	19.894349