SOM and SO

Here are two isosurfaces from the recurrent map file. The one in green are SO, while the one in puke-brown is SOM. The contouring level for SO is 0.823 (the mean) while the contouring level for SOM is 0.86 (the mean). I'm surprised that these two fields look so similar. Does this look ok?
This page is maintained by ewbethel@lbl.gov.