condition	mean	min	max
4 h after light	0.01982365	0.0	0.0396473
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0175287	0.0	0.0350574
8 h after dark	0.0	0.0	0.0
12 h after dark	0.03140405	0.0287093	0.0340988