condition	mean	min	max
4 h after light	0.0101432	0.0	0.0202864
8 h after light	0.0	0.0	0.0
12 h after light	0.01435695	0.0	0.0287139
4 h after dark	0.015202166666666668	0.0	0.0456065
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0062957	0.0	0.0188871