condition mean min max 2 h after light 7.123733333333333 0.0 21.5186 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 2.1004833333333335 0.0 12.6029 2 h after dark 0.0 0.0 0.0