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 0.02104033333333333 0.0 0.126242 18 h after light 0.0467705 0.0 0.148886 2 h after dark 0.0 0.0 0.0