Grid Point #: 003977 
Longitude:  -101.8023
Latitude:     26.8367
Contributing Station, distance (km).
MTY2  193.9
TXL5  244.6
TXLR  244.8
TXEP  245.6
TXDR  294.7
TXSN  373.5
TXPE  392.8
IDGO  417.2
IZAC  458.6