condition mean min max 3 h after light 0.58637075 0.174773 1.05525 7 h after light 0.6123845 0.269333 1.10933 11 h after light 0.5786041666666667 0.263149 0.842212 2 h after dark 0.7562845 0.166074 1.2764 6 h after dark 0.5806201666666666 0.392439 1.27128 10 h after dark 0.6412425833333333 0.190598 1.10129