condition mean min max 4 h after light 3506.9006666666664 3405.006 3693.058 8 h after light 1498.9453333333333 1138.798 1857.088 12 h after light 425.2504 360.0186 458.7996 16 h after light 673.2834 605.4268 741.0861 4 h after dark 2906.9283333333333 2892.02 2921.323 8 h after dark 4117.452 2742.5609999999997 4858.847