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Table 1
Dates and values for sunspot cycle maxima from the GF-smoothed WSN-S and GSN-S series along with the dates and values given by Waldmeier (1961).
| Method | Cycle 7 | Cycle 8 | Cycle 9 | Cycle 10 |
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| WSN-S max date | 1830/7 | 1837/4 | 1848/11 | 1860/2 |
| WSN-S max value | 59.5 | 115.0 | 106.9 | 97.8 |
| GSN-S max date | 1830/7 | 1837/3 | 1848/10 | 1860/2 |
| GSN-S max value | 4.9 | 8.1 | 7.2 | 6.5 |
| Max date 1 | 1829/11 | 1837/3 | 1848/2 | 1860/2 |
| WSN Max value 1 | 71.7 | 146.9 | 131.6 | 97.9 |
Notes. Dates are given in format year/month. 1 Dates and values from Waldmeier (1961).
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