condition mean min max 4 h after light 1.3496215 0.985353 1.71389 8 h after light 1.52718 1.45004 1.60432 12 h after light 2.75105 2.72966 2.77244 4 h after dark 1.69302 1.54091 1.88684 8 h after dark 1.2690466666666667 0.0 2.1768 12 h after dark 1.5033333333333334 1.13093 2.23931