Statistics of sunspot activity
Solar activity in 1985
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 | 20.05 | 21.32 | 18.61 | 20.13 | 32.25 | 30.28 | 37.26 | 13.69 | 5.88 | 19.42 | 17.11 | 14.44 | 20.90 | 20.87 |
Wn | 5.30 | 11.98 | 10.21 | 13.38 | 17.73 | 7.57 | 7.62 | 6.23 | 0.81 | 17.09 | 6.11 | 8.84 | 9.40 | 9.41 |
Ws | 14.75 | 9.34 | 8.40 | 6.75 | 14.53 | 22.71 | 29.64 | 7.47 | 5.08 | 2.33 | 11.00 | 5.61 | 11.48 | 11.47 |
n | 1.10 | 1.51 | 1.32 | 1.05 | 2.04 | 2.10 | 2.18 | 1.04 | 0.48 | 0.98 | 1.10 | 0.85 | 1.31 | 1.31 |
A | 0.39 | 0.35 | 0.40 | 0.17 | 0.45 | 0.27 | 0.27 | 0.33 | 0.11 | 0.12 | 0.24 | 0.12 | 0.27 | 0.27 |
B | 0.15 | 0.16 | 0.37 | 0.31 | 0.31 | 0.47 | 0.18 | 0.31 | 0.10 | 0.05 | 0.16 | 0.16 | 0.22 | 0.23 |
C | 0.10 | 0.50 | 0.26 | 0.17 | 0.36 | 0.66 | 0.45 | 0.35 | 0.18 | 0.44 | 0.39 | 0.29 | 0.35 | 0.35 |
D | 0.30 | 0.24 | 0.15 | 0.17 | 0.51 | 0.20 | 0.73 | 0.02 | 0.00 | 0.09 | 0.24 | 0.22 | 0.24 | 0.24 |
E | 0.07 | 0.01 | 0.01 | 0.17 | 0.00 | 0.01 | 0.01 | 0.01 | 0.00 | 0.06 | 0.01 | 0.03 | 0.03 | 0.03 |
F | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
G | 0.06 | 0.00 | 0.03 | 0.02 | 0.01 | 0.00 | 0.08 | 0.01 | 0.00 | 0.07 | 0.01 | 0.03 | 0.02 | 0.03 |
H | 0.00 | 0.00 | 0.03 | 0.00 | 0.08 | 0.19 | 0.09 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.04 | 0.04 |
I | 0.02 | 0.26 | 0.09 | 0.03 | 0.32 | 0.30 | 0.36 | 0.03 | 0.09 | 0.10 | 0.05 | 0.00 | 0.14 | 0.14 |
x | 0.55 | 0.51 | 0.77 | 0.48 | 0.76 | 0.75 | 0.45 | 0.63 | 0.21 | 0.18 | 0.40 | 0.28 | 0.50 | 0.50 |
r | 0.02 | 0.11 | 0.12 | 0.12 | 0.07 | 0.19 | 0.09 | 0.05 | 0.09 | 0.05 | 0.16 | 0.29 | 0.12 | 0.11 |
s | 0.11 | 0.52 | 0.13 | 0.13 | 0.42 | 0.50 | 0.71 | 0.22 | 0.14 | 0.34 | 0.17 | 0.12 | 0.29 | 0.29 |
a | 0.30 | 0.31 | 0.08 | 0.05 | 0.35 | 0.30 | 0.52 | 0.12 | 0.04 | 0.17 | 0.32 | 0.16 | 0.23 | 0.23 |
h | 0.03 | 0.04 | 0.01 | 0.00 | 0.18 | 0.31 | 0.09 | 0.02 | 0.00 | 0.07 | 0.02 | 0.00 | 0.06 | 0.06 |
k | 0.10 | 0.02 | 0.20 | 0.27 | 0.26 | 0.05 | 0.33 | 0.00 | 0.00 | 0.17 | 0.03 | 0.00 | 0.12 | 0.12 |
x | 0.41 | 0.61 | 0.52 | 0.20 | 0.86 | 0.76 | 0.72 | 0.36 | 0.20 | 0.26 | 0.29 | 0.12 | 0.44 | 0.44 |
o | 0.45 | 0.88 | 0.77 | 0.60 | 0.89 | 1.33 | 1.09 | 0.67 | 0.28 | 0.60 | 0.78 | 0.62 | 0.74 | 0.74 |
i | 0.24 | 0.03 | 0.03 | 0.25 | 0.29 | 0.02 | 0.27 | 0.01 | 0.00 | 0.13 | 0.03 | 0.10 | 0.11 | 0.12 |
c | 0.01 | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 |
CV | 14.50 | 14.50 | 13.54 | 16.73 | 30.52 | 26.54 | 38.83 | 5.80 | 2.52 | 17.91 | 10.40 | 7.65 | 16.67 | 16.62 |
CVn | 1.79 | 10.50 | 11.99 | 15.11 | 7.94 | 4.45 | 6.48 | 1.55 | 0.17 | 17.16 | 2.57 | 4.12 | 6.97 | 6.99 |
CVs | 12.71 | 4.00 | 1.56 | 1.63 | 22.57 | 22.09 | 32.34 | 4.25 | 2.35 | 0.75 | 7.84 | 3.53 | 9.70 | 9.64 |
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