Grid Point #: 003659 
Longitude:  -102.7715
Latitude:     25.7575
Contributing Station, distance (km).
MTY2  246.3
IDGO  263.8
IZAC  331.7
TXEP  398.9
TXDR  441.5
TXPE  450.6
CHIH  460.2
TXSN  490.0