condition	mean	min	max
4 h after light	158.45	153.626	163.274
8 h after light	167.079	166.887	167.271
12 h after light	96.2449	82.8718	109.618
4 h after dark	107.72133333333333	106.388	108.906
8 h after dark	117.348	111.349	126.13
12 h after dark	169.031	156.902	183.114