condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.31555116666666666 0.0 0.979388 10 h after light 0.1437335 0.0 0.862401 14 h after light 0.0 0.0 0.0 18 h after light 0.0828985 0.0 0.497391 2 h after dark 0.0 0.0 0.0