Grid Point #: 003971 
Longitude:  -103.2549
Latitude:     26.8367
Contributing Station, distance (km).
MTY2  318.7
TXPE  321.4
IDGO  336.5
TXEP  343.5
CHIH  344.7
TXDR  363.8
TXSN  377.9
IZAC  455.9
CULC  474.0