condition	mean	min	max
4 h after light	2.205625	1.44469	2.96656
8 h after light	4.88666	4.19258	5.58074
12 h after light	7.48168	7.01469	7.94867
4 h after dark	8.847303333333333	8.63074	9.27902
8 h after dark	5.016183333333333	4.72366	5.57747
12 h after dark	3.59112	2.10672	5.31983