condition	mean	min	max
4 h after light	5.941705000000001	5.25532	6.62809
8 h after light	5.78679	5.74043	5.83315
12 h after light	6.128265	6.031	6.22553
4 h after dark	7.326113333333333	6.66965	7.7779
8 h after dark	7.130176666666666	6.57204	7.66296
12 h after dark	6.54652	5.99541	6.89685