condition	mean	min	max
4 h after light	6.283015	4.84685	7.71918
8 h after light	5.20955	4.86736	5.55174
12 h after light	7.868465	7.45881	8.27812
4 h after dark	17.216250000000002	13.6781	20.7544
8 h after dark	11.05645	10.0962	12.0167
12 h after dark	10.32657	8.57194	12.0812