USHCN Illinois raw temperature data alterations

July '09 data download (version 1) vs November '09 download (version 2) from http://data.giss.nasa.gov/gistemp/station_data/

Component charts generated by NASA, then assembled by Mike McMillan - free usage if unaltered.

All USHCN stations in Illinois are presented here.

Wisconsin stations   Iowa stations

Click image for full size chart in new window