Grid Point #: 004371 
Longitude:  -109.1763
Latitude:     28.1317
Contributing Station, distance (km).
YESX   37.2
USMX  194.2
SA27  203.8
TNHM  204.5
TNCU  235.9
CULC  410.4
IPAZ  458.0
LPAZ  458.4