Grid Point #: 009997 
Longitude:  -102.9151
Latitude:     36.9810
Contributing Station, distance (km).
P039   63.0
TXSF  104.4
TXDL  105.9
P040  122.9
RG13  127.7
OKGM  132.2
KSSY  150.9
PUB5  192.2