                        Model Change Bulletin

                                MCB#5                       05/15/2026

                        AERMINUTE (dated 26135)

This Model Change Bulletin (MCB) documents changes made to the AERMINUTE 
1-minute ASOS wind data processor.  A brief description of the changes  
is provided below.Additional details are available in the FORTRAN source code 
and in the AERMINUTE user's guide.


This revised version of AERMINUTE (dated 26135) includes the following
modifications relative to the previous version (15272):

Bug fixes
1.  Modified subroutine READSURF to not skip lines of data in the standard
    hourly observations file

Enhancements

1. Modified subroutine READSURF to read in Global Historical Climatology Network
   Hourly files (GHCNh) for standard observations
2. Added subroutine RDGHCN to read GHCNh data
