condition	mean	min	max
0 h after light	3.282355	2.8547	3.71001
4 h after light	2.66512	2.51566	2.81458
8 h after light	2.940335	2.82738	3.05329
4 h after dark	3.79729	3.25833	4.33625
8 h after dark	3.43479	3.19146	3.67812
12 h after dark	2.55518	2.33654	2.77382