Grid Point #: 011932 
Longitude:   -88.8820
Latitude:     39.3552
Contributing Station, distance (km).
ILEI   38.3
LAK1   43.2
KA12   57.8
KA35   77.9
ILSD   78.8
MACO  110.8
ILMV  115.3
API1  116.8