Statistics of sunspot activity
March, 1998
Visual indices of solar activity by author's observations
Date | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | Average | % |
W |   |   | 19 | 34 | 30 | 26 |   |   |   |   | 59 | 52 |   | 68 | 59 | 56 |   |   | 44 | 46 | 57 | 78 | 51 | 67 | 51 |   | 46 |   | 38 | 33 | 77 | 49.55 | 100 |
Wn |   |   | 0 | 14 | 13 | 14 |   |   |   |   | 14 | 11 |   | 11 | 0 | 0 |   |   | 0 | 0 | 0 | 17 | 16 | 30 | 17 |   | 12 |   | 0 | 0 | 0 | 8.45 | 17.05 |
Ws |   |   | 19 | 20 | 17 | 12 |   |   |   |   | 45 | 41 |   | 57 | 59 | 56 |   |   | 44 | 46 | 57 | 61 | 35 | 37 | 34 |   | 34 |   | 38 | 33 | 77 | 41.10 | 82.95 |
n |   |   | 1 | 2 | 2 | 2 |   |   |   |   | 4 | 4 |   | 4 | 3 | 3 |   |   | 3 | 3 | 4 | 5 | 3 | 4 | 3 |   | 2 |   | 2 | 2 | 2 | 2.90 | 100 |
A |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 1 | 1 |   | 0 |   | 0 | 0 | 0 | 0.10 | 3.45 |
B |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 |   | 0 | 0 | 0 | 0.00 | 0.00 |
C |   |   | 0 | 1 | 0 | 1 |   |   |   |   | 1 | 0 |   | 0 | 1 | 1 |   |   | 0 | 1 | 1 | 0 | 0 | 1 | 0 |   | 0 |   | 0 | 0 | 0 | 0.40 | 13.79 |
D |   |   | 1 | 0 | 1 | 0 |   |   |   |   | 1 | 1 |   | 0 | 0 | 0 |   |   | 0 | 0 | 1 | 2 | 2 | 0 | 1 |   | 1 |   | 1 | 1 | 0 | 0.65 | 22.41 |
E |   |   | 0 | 1 | 1 | 1 |   |   |   |   | 0 | 0 |   | 1 | 1 | 1 |   |   | 1 | 1 | 0 | 1 | 0 | 1 | 0 |   | 0 |   | 0 | 0 | 1 | 0.55 | 18.97 |
F |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 0 | 0 | 0 |   |   | 0 | 0 | 1 | 1 | 1 | 1 | 1 |   | 1 |   | 1 | 1 | 1 | 0.45 | 15.52 |
G |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 1 |   | 1 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 |   | 0 | 0 | 0 | 0.10 | 3.45 |
H |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 1 | 1 |   | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 |   | 0 | 0 | 0 | 0.10 | 3.45 |
I |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 1 | 1 |   | 2 | 1 | 1 |   |   | 2 | 1 | 1 | 1 | 0 | 0 | 0 |   | 0 |   | 0 | 0 | 0 | 0.55 | 18.97 |
x |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 1 | 1 |   | 0 |   | 0 | 0 | 0 | 0.10 | 3.45 |
r |   |   | 0 | 1 | 0 | 0 |   |   |   |   | 2 | 2 |   | 2 | 0 | 0 |   |   | 1 | 1 | 1 | 0 | 1 | 1 | 0 |   | 0 |   | 0 | 0 | 0 | 0.60 | 20.69 |
s |   |   | 1 | 0 | 0 | 1 |   |   |   |   | 1 | 1 |   | 0 | 1 | 0 |   |   | 1 | 1 | 2 | 2 | 0 | 0 | 1 |   | 1 |   | 1 | 0 | 0 | 0.70 | 24.14 |
a |   |   | 0 | 0 | 1 | 0 |   |   |   |   | 1 | 1 |   | 2 | 1 | 2 |   |   | 0 | 0 | 0 | 2 | 1 | 1 | 0 |   | 0 |   | 0 | 1 | 1 | 0.70 | 24.14 |
h |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 1 |   | 0 |   | 1 | 1 | 1 | 0.20 | 6.90 |
k |   |   | 0 | 1 | 1 | 1 |   |   |   |   | 0 | 0 |   | 0 | 1 | 1 |   |   | 1 | 1 | 1 | 1 | 1 | 1 | 0 |   | 1 |   | 0 | 0 | 0 | 0.60 | 20.69 |
x |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 2 | 2 |   | 2 | 1 | 1 |   |   | 2 | 1 | 1 | 1 | 0 | 1 | 1 |   | 0 |   | 0 | 0 | 0 | 0.75 | 25.86 |
o |   |   | 0 | 0 | 1 | 1 |   |   |   |   | 2 | 2 |   | 1 | 1 | 1 |   |   | 0 | 1 | 2 | 2 | 1 | 0 | 0 |   | 1 |   | 1 | 1 | 0 | 0.90 | 31.03 |
i |   |   | 1 | 2 | 1 | 1 |   |   |   |   | 0 | 0 |   | 0 | 1 | 0 |   |   | 0 | 0 | 1 | 1 | 2 | 2 | 1 |   | 0 |   | 1 | 1 | 2 | 0.85 | 29.31 |
c |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 1 | 0 | 1 |   |   | 1 | 1 | 0 | 1 | 0 | 1 | 1 |   | 1 |   | 0 | 0 | 0 | 0.40 | 13.79 |
CV |   |   | 28 | 53 | 66 | 58 |   |   |   |   | 38 | 47 |   | 60 | 65 | 71 |   |   | 70 | 71 | 82 | 134 | 83 | 87 | 89 |   | 82 |   | 79 | 73 | 77 | 70.65 | 100 |
CVn |   |   | 0 | 6 | 19 | 11 |   |   |   |   | 5 | 4 |   | 4 | 0 | 0 |   |   | 0 | 0 | 0 | 19 | 22 | 24 | 28 |   | 25 |   | 0 | 0 | 0 | 8.35 | 11.82 |
CVs |   |   | 28 | 47 | 47 | 47 |   |   |   |   | 33 | 43 |   | 56 | 65 | 71 |   |   | 70 | 71 | 82 | 115 | 61 | 63 | 61 |   | 57 |   | 79 | 73 | 77 | 62.30 | 88.18 |
gr |   |   | 1 | 2 | 2 | 2 |   |   |   |   | 2 | 2 |   | 2 | 3 | 3 |   |   | 1 | 2 | 3 | 4 | 3 | 3 | 2 |   | 2 |   | 2 | 2 | 2 | 2.25 | 77.59 |
grfp |   |   | 6 | 7 | 7 | 4 |   |   |   |   | 10 | 11 |   | 19 | 16 | 17 |   |   | 11 | 12 | 10 | 23 | 16 | 19 | 14 |   | 16 |   | 10 | 11 | 10 | 12.45 | 68.98 |
grf |   |   | 3 | 7 | 3 | 2 |   |   |   |   | 7 | 1 |   | 7 | 13 | 9 |   |   | 1 | 3 | 6 | 4 | 5 | 7 | 6 |   | 10 |   | 8 | 2 | 10 | 5.60 | 31.02 |
efp |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 2 | 2 |   | 2 | 0 | 0 |   |   | 2 | 1 | 1 | 1 | 0 | 0 | 0 |   | 0 |   | 0 | 0 | 0 | 0.55 | 18.97 |
ef |   |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 |   | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 1 | 1 |   | 0 |   | 0 | 0 | 0 | 0.10 | 3.45 |
Cond |   |   | 3-4 | 2 | 3-2 | 4 |   |   |   |   | 3 | 4 |   | 3 | 2 | 2-3 |   |   | 4 | 2-3 | 3 | 1 | 2 | 1 | 3 |   | 2 |   | 3 | 3 | 2 | 2.50 | 50.00 |
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