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Monthly sunspot numbers
Time Interval: Monthly
Time Coverage: 1749 to 2006
Update Status: Periodically updated
Get Data:
Sunspot: Standard PSD Format (What is standard format?)
Sunspot: Original
Source:
Data is from SIDC at http://sidc.oma.be/DATA/monthssn.datl
References:
This page hosted by: NOAA ESRL Physical Sciences Division Document maintained by Cathy Smith (cathy.smith@noaa.gov) Updated: Oct 10, 2008 09:54:05 MDT http://www.cdc.noaa.gov/gcos_wgsp/Timeseries/SUNSPOT/index.html |