condition	mean	min	max
0 h after light	0.0	0.0	0.0
4 h after light	4.170305	4.1017	4.23891
8 h after light	8.2912	4.2348	12.3476
4 h after dark	4.08582	0.0	8.17164
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0