condition mean min max 2 h after light 0.128331 0.0 0.498345 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 0.08147733333333333 0.0 0.260536 2 h after dark 0.0 0.0 0.0