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 0.013837033333333333 0.0 0.0830222 18 h after light 0.0128719 0.0 0.0772314 2 h after dark 0.0 0.0 0.0