Grid Point #: 004266 
Longitude:  -100.6780
Latitude:     27.7000
Contributing Station, distance (km).
TXEP  113.8
TXL5  119.7
TXLR  123.0
TXCS  123.3
TXZA  163.3
TXDR  186.3
MTY2  223.6
TXSN  320.6