Grid Point #: 002720 
Longitude:  -100.0516
Latitude:     21.6566
Contributing Station, distance (km).
TNSL  111.6
USLP  113.3
UJUR  113.6
UQRO  124.3
UGTO  145.8
HGTO  208.2
HGPA  220.2
TAM1  235.9
MTY2  452.1