Grid Point #: 004040 
Longitude:  -103.0997
Latitude:     27.0525
Contributing Station, distance (km).
TXPE  304.6
MTY2  314.9
TXEP  316.7
TXDR  335.5
CHIH  343.9
TXSN  351.2
IDGO  364.7
IZAC  477.8