condition mean min max 2 h after light 1.2116516666666668 0.0 7.26991 6 h after light 0.9785316666666667 0.0 5.87119 10 h after light 0.0 0.0 0.0 14 h after light 1.02186 0.0 6.13116 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0