Key to the WACCM mean and intermediate profiles

<gas>.prfs - all the profiles on the station specific grid

<gas>.refprfs - all the profiles on the refmod grid starting at the station
specific observation altitude

<gas>.txt  - average, max, min, std. dev. interpolated to station specific grid and
to a modified REFMOD grid for input to fastcode - the modification is to add 2 levels to
reach 127km.  Up to 100km it is the same default REFMOD grid.  This can be cut/paste into
reference.prf for instance.

<gas>.cov  - n x n covariance matrix on the site specific grid

<gas>.ps   - postscript plots of each interpolation plus the covariance matrix
station.layers - output from site specific grid calculation