NASA最新太阳活动周期预测（2011年12月）

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NASA太阳活动周期预测2011年12月一报千呼万唤始出来，预测2013年2月到达巅峰，维持80年来最小周期的预测，Updated 2011/12/16：

The current prediction for Sunspot Cycle 24 gives a smoothed sunspot number maximum of about 99 in February of 2013. We are currently about three years into Cycle 24. Increased activity in the last few months has raised the predicted maximum and moved it earlier in 2013. The current predicted size still make this the smallest sunspot cycle in over 80 years.

  
Cycle 24 Sunspot Number Prediction (December 2011)
Year Mon  95%   50%    5%
2011  12 115.8  85.3  54.8
2012   1 118.0  87.2  56.4
2012   2 120.1  89.0  57.9
2012   3 122.1  90.6  59.2
2012   4 123.8  92.1  60.5
2012   5 125.4  93.5  61.6
2012   6 126.8  94.6  62.5
2012   7 128.0  95.7  63.4
2012   8 129.0  96.6  64.1
2012   9 129.8  97.3  64.7
2012  10 130.5  97.9  65.2
2012  11 131.0  98.3  65.6
2012  12 131.3  98.6  65.8
2013   1 131.5  98.7  65.9
2013   2 131.5  98.7  65.9
2013   3 131.3  98.6  65.8
2013   4 131.0  98.3  65.6
2013   5 130.5  97.9  65.2
2013   6 129.9  97.3  64.8
2013   7 129.1  96.7  64.2
2013   8 128.2  95.9  63.6
2013   9 127.2  95.0  62.8
2013  10 126.0  94.0  62.0
2013  11 124.7  92.9  61.1
2013  12 123.3  91.7  60.1
2014   1 121.8  90.4  59.0
2014   2 120.2  89.0  57.9
2014   3 118.5  87.6  56.7
2014   4 116.6  86.0  55.4
2014   5 114.8  84.4  54.1
2014   6 112.8  82.8  52.7
2014   7 110.7  81.0  51.3
2014   8 108.6  79.3  49.9
2014   9 106.5  77.4  48.4
2014  10 104.2  75.6  46.9
2014  11 102.0  73.7  45.3
2014  12  99.7  71.7  43.8