condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0097705 0.0 0.019541 8 h after dark 0.0127132 0.0 0.0254264 12 h after dark 0.00950335 0.0 0.0190067