condition mean min max 3 h after light 0.5205150000000001 0.464765 0.592184 6 h after light 0.5145283333333334 0.306577 0.764624 9 h after light 1.1918913333333334 0.914074 1.52924 12 h after light 3.9843800000000003 3.18135 4.60201 3 h after dark 3.3298033333333334 3.17886 3.5447 6 h after dark 2.7072700000000003 2.5922 2.76555 9 h after dark 1.8312166666666667 1.59437 1.96222 12 h after dark 0.971353 0.689051 1.28326