Grid Point #: 001231 
Longitude:   -99.3726
Latitude:     16.9082
Contributing Station, distance (km).
TNAT  196.0
YAIG  219.7
MRCU  222.8
TNNX  235.0
TNNP  253.4
TOL2  266.7
TNIF  307.4
LZCR  319.0
OXUM  336.5
TNMR  448.2