Grid Point #: 013514 
Longitude:   -90.5751
Latitude:     41.2978
Contributing Station, distance (km).
KA33   17.6
ILMO   23.8
IADA   35.0
ILGA   42.9
IAME   44.9
KA34   47.9
IAWO   53.3
IAWB   74.1