Statistics of sunspot activity
Solar activity in 2006
Visual indices of solar activity by National Geophysical Data Center
  | Average by |
monthIIIIII
IVVVI
VIIVIIIIX
XXIXIIdaysmonths | | | | | | | | | | | | | | |
N | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 30.42 | 30.42 |
W | 24.21 | 8.11 | 21.15 | 51.41 | 35.11 | 21.97 | 21.38 | 20.35 | 21.57 | 15.24 | 28.13 | 22.19 | 24.30 | 24.24 |
Wn | 10.01 | 2.15 | 4.55 | 1.55 | 9.10 | 5.34 | 6.50 | 0.37 | 1.40 | 0.35 | 0.80 | 4.68 | 3.93 | 3.90 |
Ws | 14.20 | 5.96 | 16.60 | 49.86 | 26.01 | 16.62 | 14.88 | 19.98 | 20.17 | 14.88 | 27.33 | 17.52 | 20.36 | 20.33 |
n | 1.49 | 0.69 | 1.43 | 3.24 | 2.68 | 1.29 | 1.34 | 1.08 | 1.63 | 1.16 | 1.53 | 1.35 | 1.58 | 1.58 |
A | 0.28 | 0.41 | 0.69 | 0.48 | 0.53 | 0.17 | 0.15 | 0.14 | 0.28 | 0.24 | 0.20 | 0.19 | 0.31 | 0.31 |
B | 0.07 | 0.10 | 0.13 | 0.32 | 0.31 | 0.15 | 0.22 | 0.05 | 0.17 | 0.13 | 0.13 | 0.13 | 0.16 | 0.16 |
C | 0.23 | 0.04 | 0.18 | 0.68 | 0.66 | 0.29 | 0.39 | 0.10 | 0.32 | 0.19 | 0.53 | 0.32 | 0.33 | 0.33 |
D | 0.28 | 0.04 | 0.18 | 0.69 | 0.43 | 0.27 | 0.45 | 0.17 | 0.14 | 0.14 | 0.27 | 0.26 | 0.28 | 0.28 |
E | 0.16 | 0.00 | 0.03 | 0.18 | 0.01 | 0.13 | 0.00 | 0.17 | 0.01 | 0.00 | 0.07 | 0.03 | 0.06 | 0.06 |
F | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.03 | 0.01 | 0.00 | 0.13 | 0.13 | 0.02 | 0.03 |
G | 0.03 | 0.00 | 0.01 | 0.04 | 0.03 | 0.06 | 0.01 | 0.28 | 0.00 | 0.01 | 0.13 | 0.13 | 0.06 | 0.06 |
H | 0.02 | 0.00 | 0.02 | 0.04 | 0.03 | 0.06 | 0.03 | 0.02 | 0.11 | 0.00 | 0.00 | 0.00 | 0.03 | 0.03 |
I | 0.43 | 0.10 | 0.19 | 0.80 | 0.69 | 0.16 | 0.10 | 0.12 | 0.60 | 0.45 | 0.07 | 0.16 | 0.32 | 0.32 |
x | 0.34 | 0.51 | 0.82 | 0.80 | 0.83 | 0.32 | 0.37 | 0.19 | 0.45 | 0.37 | 0.33 | 0.32 | 0.47 | 0.47 |
r | 0.16 | 0.02 | 0.12 | 0.21 | 0.31 | 0.14 | 0.13 | 0.06 | 0.18 | 0.20 | 0.00 | 0.03 | 0.13 | 0.13 |
s | 0.32 | 0.11 | 0.22 | 0.75 | 0.86 | 0.25 | 0.28 | 0.08 | 0.44 | 0.26 | 0.43 | 0.32 | 0.36 | 0.36 |
a | 0.60 | 0.05 | 0.22 | 1.10 | 0.58 | 0.38 | 0.35 | 0.36 | 0.39 | 0.33 | 0.43 | 0.26 | 0.42 | 0.42 |
h | 0.01 | 0.00 | 0.03 | 0.08 | 0.06 | 0.07 | 0.09 | 0.07 | 0.04 | 0.00 | 0.07 | 0.00 | 0.04 | 0.04 |
k | 0.07 | 0.00 | 0.02 | 0.29 | 0.03 | 0.14 | 0.13 | 0.31 | 0.14 | 0.00 | 0.27 | 0.42 | 0.15 | 0.15 |
x | 0.73 | 0.51 | 0.90 | 1.32 | 1.25 | 0.39 | 0.27 | 0.28 | 0.99 | 0.69 | 0.27 | 0.35 | 0.67 | 0.66 |
o | 0.39 | 0.18 | 0.31 | 1.24 | 1.23 | 0.49 | 0.70 | 0.51 | 0.54 | 0.35 | 1.03 | 0.58 | 0.63 | 0.63 |
i | 0.24 | 0.01 | 0.19 | 0.50 | 0.20 | 0.33 | 0.29 | 0.20 | 0.11 | 0.09 | 0.17 | 0.26 | 0.22 | 0.22 |
c | 0.12 | 0.00 | 0.03 | 0.18 | 0.01 | 0.08 | 0.07 | 0.08 | 0.00 | 0.03 | 0.07 | 0.16 | 0.07 | 0.07 |
CV | 19.31 | 2.86 | 10.70 | 45.16 | 25.67 | 20.75 | 21.45 | 26.51 | 17.50 | 8.85 | 28.43 | 29.26 | 21.45 | 21.37 |
CVn | 7.11 | 0.34 | 1.19 | 0.91 | 7.39 | 3.26 | 5.07 | 0.04 | 0.15 | 0.03 | 0.30 | 3.13 | 2.44 | 2.41 |
CVs | 12.20 | 2.51 | 9.51 | 44.25 | 18.28 | 17.49 | 16.37 | 26.47 | 17.35 | 8.82 | 28.13 | 26.13 | 19.01 | 18.96 |
|