condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.1626025 0.0 0.975615 10 h after light 0.148365 0.0 0.89019 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