Statistics of sunspot activity
Solar activity in 2010
Visual indices of solar activity by National Geophysical Data Center
  | Average by |
monthIIIIII
IVVVI
VIIVIIIIX
XXIXIIdaysmonths | | | | | | | | | | | | | | |
N | 31.00 | 28.00 | 31.00 | 30.00 | 31.00 | 30.00 | 31.00 | 31.00 | 30.00 | 31.00 | 30.00 | 31.00 | 30.42 | 30.42 |
W | 19.76 | 28.15 | 23.86 | 13.96 | 16.17 | 19.72 | 22.24 | 27.99 | 32.20 | 30.67 | 32.37 | 20.82 | 23.95 | 23.99 |
Wn | 11.77 | 20.59 | 17.02 | 9.59 | 7.91 | 8.09 | 10.26 | 23.00 | 18.73 | 19.03 | 19.04 | 18.78 | 15.29 | 15.32 |
Ws | 7.99 | 7.56 | 6.84 | 4.37 | 8.26 | 11.63 | 11.98 | 4.99 | 13.47 | 11.65 | 13.32 | 2.04 | 8.66 | 8.67 |
n | 1.07 | 1.73 | 1.59 | 1.12 | 1.21 | 1.42 | 1.49 | 2.16 | 2.05 | 2.20 | 2.25 | 1.70 | 1.67 | 1.67 |
A | 0.04 | 0.31 | 0.32 | 0.41 | 0.33 | 0.29 | 0.37 | 0.50 | 0.29 | 0.26 | 0.41 | 0.32 | 0.32 | 0.32 |
B | 0.08 | 0.32 | 0.37 | 0.14 | 0.32 | 0.35 | 0.08 | 0.33 | 0.18 | 0.15 | 0.31 | 0.26 | 0.24 | 0.24 |
C | 0.31 | 0.44 | 0.25 | 0.22 | 0.22 | 0.15 | 0.21 | 0.38 | 0.44 | 0.32 | 0.49 | 0.22 | 0.30 | 0.30 |
D | 0.37 | 0.15 | 0.33 | 0.11 | 0.13 | 0.42 | 0.31 | 0.10 | 0.21 | 0.21 | 0.43 | 0.15 | 0.25 | 0.24 |
E | 0.15 | 0.18 | 0.08 | 0.00 | 0.03 | 0.01 | 0.05 | 0.00 | 0.17 | 0.13 | 0.05 | 0.01 | 0.07 | 0.07 |
F | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
G | 0.07 | 0.08 | 0.01 | 0.00 | 0.00 | 0.01 | 0.07 | 0.00 | 0.16 | 0.03 | 0.11 | 0.00 | 0.04 | 0.04 |
H | 0.00 | 0.03 | 0.03 | 0.05 | 0.01 | 0.00 | 0.04 | 0.17 | 0.11 | 0.00 | 0.01 | 0.26 | 0.06 | 0.06 |
I | 0.06 | 0.15 | 0.20 | 0.20 | 0.17 | 0.19 | 0.37 | 0.68 | 0.41 | 1.09 | 0.44 | 0.47 | 0.37 | 0.37 |
x | 0.12 | 0.63 | 0.69 | 0.54 | 0.66 | 0.64 | 0.44 | 0.83 | 0.48 | 0.41 | 0.72 | 0.59 | 0.56 | 0.56 |
r | 0.07 | 0.07 | 0.08 | 0.14 | 0.07 | 0.12 | 0.08 | 0.25 | 0.18 | 0.23 | 0.31 | 0.16 | 0.15 | 0.15 |
s | 0.31 | 0.35 | 0.30 | 0.21 | 0.24 | 0.35 | 0.62 | 0.62 | 0.59 | 1.18 | 0.63 | 0.48 | 0.49 | 0.49 |
a | 0.27 | 0.47 | 0.30 | 0.17 | 0.24 | 0.31 | 0.28 | 0.24 | 0.44 | 0.25 | 0.54 | 0.13 | 0.30 | 0.30 |
h | 0.07 | 0.01 | 0.08 | 0.04 | 0.00 | 0.01 | 0.02 | 0.14 | 0.11 | 0.04 | 0.04 | 0.33 | 0.07 | 0.07 |
k | 0.23 | 0.19 | 0.14 | 0.02 | 0.01 | 0.00 | 0.04 | 0.08 | 0.25 | 0.10 | 0.02 | 0.01 | 0.09 | 0.09 |
x | 0.10 | 0.49 | 0.55 | 0.66 | 0.51 | 0.48 | 0.77 | 1.35 | 0.82 | 1.36 | 0.86 | 1.06 | 0.76 | 0.75 |
o | 0.55 | 0.81 | 0.71 | 0.44 | 0.56 | 0.75 | 0.42 | 0.68 | 0.76 | 0.58 | 1.00 | 0.53 | 0.65 | 0.65 |
i | 0.39 | 0.32 | 0.27 | 0.02 | 0.12 | 0.19 | 0.23 | 0.13 | 0.46 | 0.20 | 0.38 | 0.11 | 0.23 | 0.23 |
c | 0.03 | 0.13 | 0.07 | 0.00 | 0.02 | 0.00 | 0.06 | 0.00 | 0.01 | 0.06 | 0.01 | 0.00 | 0.03 | 0.03 |
CV | 24.76 | 23.93 | 21.17 | 8.41 | 8.43 | 13.54 | 18.33 | 20.35 | 33.43 | 26.08 | 23.51 | 23.06 | 20.39 | 20.42 |
CVn | 13.66 | 19.65 | 18.48 | 6.67 | 4.05 | 4.50 | 7.54 | 19.28 | 15.98 | 17.20 | 15.44 | 22.79 | 13.76 | 13.77 |
CVs | 11.10 | 4.28 | 2.70 | 1.73 | 4.39 | 9.04 | 10.79 | 1.07 | 17.44 | 8.87 | 8.07 | 0.27 | 6.64 | 6.65 |
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