condition mean min max 0 h after light 0.7557075 0.755034 0.756381 4 h after light 0.1861055 0.0 0.372211 8 h after light 0.0 0.0 0.0 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