condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.33139 0.0 1.98834 10 h after light 0.35061499999999995 0.0 2.10369 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