condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	1.41917	0.0	2.83834
4 h after dark	0.0	0.0	0.0
8 h after dark	0.62161	0.0	1.24322
12 h after dark	0.0	0.0	0.0