condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.031379333333333335 0.0 0.188276 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.021724499999999997 0.0 0.130347 2 h after dark 0.02248333333333333 0.0 0.1349