Grid Point #: 003970 
Longitude:  -103.4970
Latitude:     26.8367
Contributing Station, distance (km).
TXPE  314.2
CHIH  325.8
IDGO  327.5
MTY2  341.1
TXEP  362.7
TXDR  379.3
TXSN  383.7
CULC  452.9
IZAC  460.0