condition mean min max 4 h after light 1.651405 1.58873 1.71408 8 h after light 0.7639685 0.595085 0.932852 12 h after light 1.007326 0.793552 1.2211 4 h after dark 1.70231 1.32087 2.00395 8 h after dark 1.8478599999999998 1.41293 2.40581 12 h after dark 1.1811783333333334 0.795085 1.44587