Grid Point #: 012641 
Longitude:   -87.4528
Latitude:     40.2186
Contributing Station, distance (km).
ID03   26.9
INNP   39.0
P775   48.4
INCR   49.0
ILBU   65.2
WLCI   73.8
INRN   85.1
INRL   86.5