condition	mean	min	max
4 h after light	8.33277	7.69525	8.97029
8 h after light	4.284255	4.27074	4.29777
12 h after light	3.98714	3.88469	4.08959
4 h after dark	6.7831166666666665	6.75234	6.83515
8 h after dark	6.65888	6.1465	7.12743
12 h after dark	8.133063333333332	7.54191	8.48073