condition	mean	min	max
4 h after light	141.7415	140.417	143.066
8 h after light	136.5965	133.962	139.231
12 h after light	102.465	101.92	103.01
4 h after dark	161.9195	157.028	166.811
8 h after dark	128.4195	125.099	131.74
12 h after dark	140.933	139.42	142.446