condition	mean	min	max
0 h after light	5.887455	4.94459	6.83032
4 h after light	5.07233	5.01387	5.13079
8 h after light	5.639545	5.43033	5.84876
4 h after dark	7.40798	7.22634	7.58962
8 h after dark	7.56886	7.56175	7.57597
12 h after dark	5.67964	4.97894	6.38034