condition	mean	min	max
4 h after light	0.054517	0.0	0.109034
8 h after light	0.0	0.0	0.0
12 h after light	0.136813	0.0	0.273626
4 h after dark	0.115806	0.0	0.347418
8 h after dark	0.0	0.0	0.0
12 h after dark	0.078003	0.0	0.172328