condition mean min max 2 h after light 0.06976483333333333 0.0 0.418589 6 h after light 0.072089 0.0 0.432534 10 h after light 0.07315216666666667 0.0 0.438913 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0