/* PROGRAM DOCUMENTATION BLOCK

PROGRAM: narr_gribify_us_mex2
  PRGMMR:  Wesley Ebisuzaki              ORG: W/NP52    DATE: 2009-04

ABSTRACT: 
  Takes CPC daily global precipitation analysis (binary file), masks out 
  all data that does not have an observation time that ends at 12Z.  
  Convert to grib.  This data will be used for the us-mex precipitation.

Program History log:
    2009-04 W Ebisuzaki

USAGE:

   % narr_gribify_us_mex.x [in bin-file] [out gribfile] [YYYYMMDDHH] [mask hour]

INPUT FILES:
    binary daily cpc daily precipitation

OUTPUT FILES:
    grib file

SUBROUTINES CALLED:
    rd_grib_rec
    wrt_grib_rec
    PDS_tool
    new_LatLon_GDS
    swap (local)

ATTRIBUTES:
   LANGUAGE: ANSI/ISO C

*/