condition mean min max 4 h after light 106.243349 104.503343 107.983355 8 h after light 122.52871400000001 100.558738 144.49869 12 h after light 94.431614 84.616936 104.246292 4 h after dark 74.6645865 61.72784 87.601333 8 h after dark 87.06464 85.050979 89.078301 12 h after dark 77.104035 77.104035 77.104035