condition mean min max 0 h after light 0.026747 0.0 0.053494 4 h after light 0.0 0.0 0.0 8 h after light 0.02717835 0.0 0.0543567 4 h after dark 0.0262222 0.0 0.0524444 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0