condition mean min max 4 h after light 51.889717000000005 44.030079 59.749355 8 h after light 57.47125 50.313272 64.629228 12 h after light 69.137868 60.844531 77.431205 4 h after dark 103.847605 83.693922 124.001288 8 h after dark 60.2399825 50.505937 69.974028 12 h after dark 65.467061 65.467061 65.467061