condition mean min max 2 h after light 0.09994700000000001 0.0 0.599682 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.10418116666666666 0.0 0.520466 2 h after dark 0.0 0.0 0.0