Fig. 2
From: Forecasting the number of sunspots for solar cycle 25 utilizing the facebook prophet model
Extended forecast of the monthly mean sunspot number for Solar Cycles 25 and 26. The predicted cycle peaks (indicated by dashed lines) are based on the 13-month smoothed values derived from this forecast. Historical data (blue) from (Jan-1749 to Mar-2025) shows the characteristic 11-year solar cycle pattern. The model predicts Cycle 25 will peak in April 2025 (SSN \(\sim\) 115) and Cycle 26 in July 2034 (SSN \(\sim\) 118). The shaded region indicates the 95% confidence interval.
