Daily, monthly and 13-month smoothed sunspot numbers for the past 13 years, and 12-month ahead predictions.
Yearly mean and 13-month smoothed monthly sunspot number since 1700.
Monthly and 13-month smoothed sunspot numbers over the last 6 cycles.
North and South hemispheric sunspot numbers (13-month smoothed values) over the last 6 cycles.
12-month ahead predictions of the monthly smoothed Sunspot Number
