condition	mean	min	max
4 h after light	0.2642	0.263173	0.265227
8 h after light	0.0	0.0	0.0
12 h after light	0.0874815	0.0	0.174963
4 h after dark	0.3828688	0.0775686	0.688169
8 h after dark	0.4386305	0.421496	0.455765
12 h after dark	0.188619	0.0	0.377238