condition	mean	min	max
0 h after light	0.01936215	0.0	0.0387243
4 h after light	0.0	0.0	0.0
8 h after light	0.03831175	0.0	0.0766235
4 h after dark	0.0380322	0.0	0.0760644
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0