condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.20119693333333333 0.0419558 0.338511 12 h after light 0.2308161 0.0979473 0.308019 4 h after dark 0.098535 0.0 0.172868 8 h after dark 0.24714633333333333 0.0 0.481854 12 h after dark 0.14601033333333333 0.107851 0.192257