condition	mean	min	max
4 h after light	0.0253993	0.0253005	0.0254981
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0330791	0.0	0.0661582
8 h after dark	0.0109539	0.0	0.0219078
12 h after dark	0.0	0.0	0.0