condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.009350883333333332 0.0 0.0561053 18 h after light 0.01964046666666667 0.0 0.0661486 2 h after dark 0.0 0.0 0.0