condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.06627366666666666 0.0 0.198821 12 h after light 0.0183154 0.0 0.0549462 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0