condition mean min max 0 h after light 0.258952 0.0 0.517904 4 h after light 0.355758 0.329229 0.382287 8 h after light 0.454007 0.44754 0.460474 4 h after dark 0.445277 0.380806 0.509748 8 h after dark 0.2559225 0.190936 0.320909 12 h after dark 0.3815925 0.258144 0.505041