condition	mean	min	max
0 h after light	8.74437	8.28647	9.20227
4 h after light	8.884955	7.33991	10.43
8 h after light	4.57045	4.19409	4.94681
4 h after dark	6.6142900000000004	6.296	6.93258
8 h after dark	8.27976	7.49642	9.0631
12 h after dark	8.4894	7.2726	9.7062