condition mean min max 0 h after light 0.5653895 0.282317 0.848462 4 h after light 1.70501 1.25257 2.15745 8 h after light 0.7063455000000001 0.574763 0.837928 4 h after dark 1.388272 0.974284 1.80226 8 h after dark 1.6058 1.52926 1.68234 12 h after dark 0.8350660000000001 0.704844 0.965288