|
Years Before the
Present |
Number of
Sunspots |
Event &
Calendar Year |
|
0 |
350 |
2000 |
|
50 |
300 |
1950 |
|
100 |
150 |
1900 |
|
150 |
150 |
1850 |
|
200 |
200 |
1800 |
|
250 |
150 |
1750
Maunder Minimum |
|
300 |
50 |
1700
Maunder Minimum |
|
350 |
100 |
1650
Maunder Minimum |
|
400 |
150 |
1600 |
|
450 |
150 |
1550
Sporer Minimum |
|
500 |
100 |
1500
Sporer Minimum |
|
550 |
350 |
1450
Sporer Minimum |
|
600 |
250 |
1400 |
|
650 |
230 |
1350 |
|
700 |
100 |
1300
Wolf Minimum |
|
750 |
230 |
1250 |
|
800 |
300 |
1200
Medieval Maximum |
|
850 |
300 |
1150
Medieval Maximum |
|
900 |
250 |
1100
Medieval Maximum |
|
950 |
200 |
1050 |
|
1000 |
250 |
1000 |
|
|
|
|
Source; Leland Mclnnes
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