condition	mean	min	max
0 h after light	15.45165	15.1535	15.7498
4 h after light	10.08239	8.77758	11.3872
8 h after light	9.20542	8.29114	10.1197
4 h after dark	11.978200000000001	10.976	12.9804
8 h after dark	12.924949999999999	12.6045	13.2454
12 h after dark	12.2132	11.6578	12.7686