condition mean min max 4 h after light 8.7617265 8.728574 8.794879 8 h after light 8.014889499999999 7.642453 8.387326 12 h after light 34.0979905 12.33323 55.862751 4 h after dark 10.134091 9.87687 10.391312 8 h after dark 16.8986455 13.817295 19.979996 12 h after dark 12.185124 12.185124 12.185124