condition mean min max 4 h after light 0.4255635 0.0 0.851127 8 h after light 0.1686075 0.0 0.337215 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.38385 0.0 1.15155 12 h after dark 1.4419206666666666 0.229718 3.41905