condition mean min max 4 h after light 219.3243705 170.094339 268.554402 8 h after light 250.20216699999997 198.785628 301.618706 12 h after light 304.832473 275.513056 334.15189 4 h after dark 269.130748 244.539749 293.721747 8 h after dark 191.14933150000002 166.521965 215.776698 12 h after dark 231.503097 231.503097 231.503097