condition mean min max 4 h after light 16459.71 16061.64 17088.08 8 h after light 7904.458333333334 5887.52 10511.18 12 h after light 2952.1699996666666 2604.013333 3594.453333 1.5 h after dark 4257.282222333333 3045.016667 5099.343333 5.5 h after dark 9553.673334666666 7853.216667 12344.90667 9.5 h after dark 19824.274443333336 14431.71333 23987.03