condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.02441 0.0 0.14646 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.024369000000000002 0.0 0.146214