condition	mean	min	max
4 h after light	81.5919	78.1129	85.0709
8 h after light	64.83845	63.2541	66.4228
12 h after light	68.726	66.4261	71.0259
4 h after dark	106.08133333333333	105.654	106.577
8 h after dark	110.742	106.942	115.042
12 h after dark	98.90833333333333	96.057	100.383