Statistics of sunspot activity
Solar activity in 2008
Visual indices of solar activity by author's observations
| | Average by |
monthIIIIII
IVVVI
VIIVIIIIX
XXIXIIdays| months | | | | | | | | | | | | | | |
| N | 10 | 17 | 15 | 13 | 13 | 20 | 10 | 21 | 5 | 5 | 7 | 11 | 14.37 | 12.25 |
| W | 2.40 | 0.76 | 8.00 | 6.08 | 2.77 | 3.55 | 0.00 | 0.00 | 2.80 | 5.40 | 5.86 | 0.00 | 2.89 | 3.13 |
| Wn | 0.00 | 0.00 | 0.00 | 1.00 | 0.85 | 0.00 | 0.00 | 0.00 | 2.80 | 5.40 | 5.86 | 0.00 | 0.72 | 1.33 |
| Ws | 2.40 | 0.76 | 8.00 | 5.08 | 1.92 | 3.55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.17 | 1.81 |
| n | 0.20 | 0.06 | 0.40 | 0.46 | 0.23 | 0.30 | 0.00 | 0.00 | 0.20 | 0.40 | 0.43 | 0.00 | 0.20 | 0.22 |
| A | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
| B | 0.10 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
| C | 0.10 | 0.00 | 0.00 | 0.23 | 0.08 | 0.10 | 0.00 | 0.00 | 0.20 | 0.20 | 0.14 | 0.00 | 0.07 | 0.09 |
| D | 0.00 | 0.00 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.14 | 0.00 | 0.04 | 0.05 |
| E | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| G | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| H | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
| I | 0.00 | 0.00 | 0.00 | 0.15 | 0.08 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.05 | 0.04 |
| x | 0.10 | 0.06 | 0.00 | 0.00 | 0.08 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.02 |
| r | 0.00 | 0.00 | 0.00 | 0.08 | 0.08 | 0.10 | 0.00 | 0.00 | 0.20 | 0.40 | 0.00 | 0.00 | 0.05 | 0.07 |
| s | 0.00 | 0.00 | 0.07 | 0.15 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.00 | 0.06 | 0.07 |
| a | 0.10 | 0.00 | 0.20 | 0.23 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.05 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| k | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
| x | 0.00 | 0.00 | 0.00 | 0.23 | 0.15 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.07 | 0.06 |
| o | 0.20 | 0.06 | 0.13 | 0.23 | 0.08 | 0.10 | 0.00 | 0.00 | 0.20 | 0.40 | 0.29 | 0.00 | 0.11 | 0.14 |
| i | 0.00 | 0.00 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.02 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| CV | 1.00 | 0.12 | 12.13 | 3.69 | 1.00 | 2.05 | 0.00 | 0.00 | 1.00 | 3.60 | 6.57 | 0.00 | 2.48 | 2.60 |
| CVn | 0.00 | 0.00 | 0.00 | 0.38 | 0.08 | 0.00 | 0.00 | 0.00 | 1.00 | 3.60 | 6.57 | 0.00 | 0.51 | 0.97 |
| CVs | 1.00 | 0.12 | 12.13 | 3.31 | 0.92 | 2.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.97 | 1.63 |
| gr | 0.20 | 0.06 | 0.40 | 0.38 | 0.15 | 0.15 | 0.00 | 0.00 | 0.20 | 0.40 | 0.29 | 0.00 | 0.16 | 0.19 |
| grfp | 0.10 | 0.00 | 2.13 | 0.85 | 0.23 | 0.15 | 0.00 | 0.00 | 0.20 | 0.80 | 0.57 | 0.00 | 0.40 | 0.42 |
| grf | 0.30 | 0.18 | 1.87 | 0.54 | 0.15 | 0.25 | 0.00 | 0.00 | 0.60 | 0.60 | 0.86 | 0.00 | 0.41 | 0.45 |
| efp | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.03 | 0.03 |
| ef | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
| Cond | 2.60 | 2.47 | 2.33 | 2.23 | 2.23 | 1.15 | 1.80 | 1.52 | 2.40 | 2.60 | 2.71 | 2.64 | 2.09 | 2.22 |
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