IDA Image Format Downloads
NOAA NCEP CPC GSOD MONTHLY DATA total heating degree_days
The IDA format requires that data values be between 0 and 255.
The data you would like to download currently falls outside of that range, so you must scale it before the IDA file can be made. (Note that the current range of the data is given in the text boxes below.) To scale the data, simply click the Scale Data button.