Yearly sunspots data 1700-2008¶
Description¶
Yearly (1700-2008) data on sunspots from the National Geophysical Data Center.
Notes¶
Number of Observations - 309 (Annual 1700 - 2008)
Number of Variables - 1
Variable name definitions::
SUNACTIVITY - Number of sunspots for each year
The data file contains a 'YEAR' variable that is not returned by load.
Source¶
http://www.ngdc.noaa.gov/stp/solar/solarda3.html
The original dataset contains monthly data on sunspot activity in the file ./src/sunspots_yearly.dat. There is also sunspots_monthly.dat.
Copyright¶
This data is public domain.