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	0.0	0.0	0.0
4 h after dark	0.0119594	0.0	0.0239188
8 h after dark	0.0118156	0.0	0.0236312
12 h after dark	0.0312201	0.0232648	0.0391754