condition	mean	min	max
4 h after light	4.535665	4.40491	4.66642
8 h after light	8.113845	7.95407	8.27362
12 h after light	8.681025	8.63725	8.7248
4 h after dark	7.05759	6.59214	7.35196
8 h after dark	5.319963333333333	4.70889	5.92878
12 h after dark	3.7740066666666667	3.27683	4.06567