The league average standings points for this year was 91.63. The divisions were as follows: Central: 88.86 (-2.78), Pacific 89.43 (-2.20), Atlantic 90.38 (-1.26), and Metro 97.25 (+5.62). The league median was 94 points: Central and Pacific's median were both 94, with the Atlantic at 94.5 and the Metro's at 98 (medians included to adjust for outlier teams--i.e. The Central and Pacific were close to middle of the road--but the Pacific had the Yotes and Canucks pulling the average down slightly, and the Central had the *really* bad Avs).
Keep in mind that play within the division pretty much averages out to a number slightly more than 1 standing point per game (thank the loser point/skills competition bonus point for making it not a perfect 1--or a league average of 82 standings points)--it's extradivisional play that raises and lowers the division average and median above and below the league's average/median. Every time Central plays Central, usually someone wins 2 points, someone wins 0 (unless the loser point/skills competition bonus points raises it)--hence averaging out. For the Central to have been 2.78 points under the league average, more teams in the central had to lose in extradivisional play rather than winning. Contrast to the Metro--where 5.62 points above the league means more Metro teams were winning outside of the division than were losing--significantly more.
Contrast that to 2015 when the Central was dominant: League average 92.00: Central 99.43 (+7.43), Pacific 86.14 (-5.86), Atlantic 90.75 (-1.25), and Metro (91.88 (-0.13). League median 97.50: Central 100.00 (+2.5), Pacific 95.00 (-2.50), Atlantic 97.50 (even), and the Metro at 93.50 (-4.00). The central was just that good in 2015.
We did have 2 teams in the central that were better than the top team in the Pacific, but we also had the worst team in the league in the division down and should have been more easy points for the top teams--in other words, if the Central was more powerful than the Pacific, with as bad as the Avs were Chicago & Minny should have finished with more points. To wit: if Chicago would have finished with 113 as opposed to 109 points, The Central would have had the same average as the Pacific: and that would have happened just forcing 4 games into OT.
It might not mean that much, but yeah, the Central, since peaking in 2015 has been sliding down, The Pacific, after bottoming out in 2016 is on an upswing.