condition	mean	min	max
4 h after light	171.89049999999997	165.831	177.95
8 h after light	128.773	125.131	132.415
12 h after light	98.4861	97.3213	99.6509
4 h after dark	81.13865	77.9948	84.2825
8 h after dark	107.245	105.442	109.048
12 h after dark	145.9135	142.653	149.174