condition mean min max 0 h after light 0.3958745 0.176188 0.615561 4 h after light 0.309255 0.260104 0.358406 8 h after light 1.062862 0.783004 1.34272 4 h after dark 0.563083 0.259097 0.867069 8 h after dark 0.13064065 0.0866073 0.174674 12 h after dark 0.30545449999999996 0.171813 0.439096