condition mean min max 0 h after light 0.03362365 0.0323845 0.0348628 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.01665885 0.0 0.0333177 12 h after light 0.0325255 0.0 0.065051 2 h after dark 0.0166702 0.0 0.0333404 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0