Download Climate Timeseries

Sunspot Index

Monthly sunspot numbers

Time Interval: Monthly
Time Coverage: 1749 to Mar 2012
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:

  1. See http://sidc.oma.be/html/SIDCpub.html
[ SOI | NAO | Rec NAO | AO | AO 20thCR | PDO | NP | TPI | Iceland P | Azores P | Gilbralter P | Nagasaki P | Madras P ]
[ Niño1+2 | Niño3 | Niño3.4 | Niño 4 | AMO | Global T stations | Global T+SST (NASA) | Global T+SST (CRU) | Sunspots ]



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Document maintained by Cathy Smith (cathy.smith@noaa.gov)
Updated: Apr 23, 2013 15:35:43 MDT
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