condition	mean	min	max
4 h after light	9.620025	9.16145	10.0786
8 h after light	6.1911950000000004	6.12805	6.25434
12 h after light	4.44633	4.03467	4.85799
4 h after dark	5.801573333333334	4.93306	6.53157
8 h after dark	7.44351	6.68408	8.89907
12 h after dark	7.659893333333334	6.51767	9.4365