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Table 1
Parameters for solar cycles − 4 to 23 (from 1700 onward) derived from the group sunspot number RG.
| Cycle No. | tmin |
|
Sn |
|
|
|||
| −4 | 1698.0 | 3 | 5 |
| −3 | 1712.0 | 16 | 35 |
| −2 | 1723.5 | 33 | 64 |
| −1 | 1734.0 | 31 | 53 |
| 0 | 1745.0 | 36 | 67 |
| 1 | 1755.2 | 43 | 70 |
| 2 | 1766.5 | 61 | 103 |
| 3 | 1775.5 | 45 | 78 |
| 4 | 1784.7 | 70 | 89 |
| 5 | 1798.3 | 23 | 51 |
| 6 | 1810.6 | 19 | 32 |
| 7 | 1823.3 | 41 | 64 |
| 8 | 1833.9 | 60 | 116 |
| 9 | 1843.5 | 64 | 91 |
| 10 | 1856.0 | 55 | 85 |
| 11 | 1867.2 | 57 | 101 |
| 12 | 1878.9 | 40 | 67 |
| 13 | 1889.6 | 57 | 96 |
| 14 | 1901.7 | 46 | 64 |
| 15 | 1913.6 | 59 | 109 |
| 16 | 1923.6 | 56 | 81 |
| 17 | 1933.8 | 77 | 123 |
| 18 | 1944.2 | 86 | 143 |
| 19 | 1954.3 | 105 | 186 |
| 20 | 1964.9 | 83 | 108 |
| 21 | 1976.5 | 100 | 154 |
| 22 | 1986.8 | 92 | 156 |
| 23 | 1996.4 | 81 | 119 |
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