Statistics of sunspot activity
April, 1994
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 | Average | % |
W | 22 |   | 0 | 0 | 0 |   | 0 | 11 | 11 | 13 |   |   |   |   | 23 | 13 | 12 | 23 | 22 |   | 47 | 45 |   |   | 25 | 45 | 23 | 22 | 12 |   | 18.45 | 100 |
Wn | 0 |   | 0 | 0 | 0 |   | 0 | 11 | 11 | 13 |   |   |   |   | 23 | 13 | 12 | 12 | 11 |   | 36 | 45 |   |   | 25 | 33 | 23 | 22 | 0 |   | 14.50 | 78.59 |
Ws | 22 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 11 | 11 |   | 11 | 0 |   |   | 0 | 12 | 0 | 0 | 12 |   | 3.95 | 21.41 |
n | 2 |   | 0 | 0 | 0 |   | 0 | 1 | 1 | 1 |   |   |   |   | 2 | 1 | 1 | 2 | 2 |   | 4 | 3 |   |   | 2 | 4 | 2 | 2 | 1 |   | 1.55 | 100 |
A | 1 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 1 | 0 | 0 | 1 | 1 |   | 1 | 0 |   |   | 0 | 1 | 0 | 1 | 0 |   | 0.35 | 22.58 |
B | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 1 |   | 0.05 | 3.23 |
C | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 1 | 1 | 0 |   | 1 | 1 |   |   | 1 | 0 | 0 | 0 | 0 |   | 0.25 | 16.13 |
D | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 |   |   |   |   | 0 | 1 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 1 | 1 | 0 | 0 |   | 0.20 | 12.90 |
E | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 1 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.05 | 3.23 |
F | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.00 | 0.00 |
G | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.00 | 0.00 |
H | 1 |   | 0 | 0 | 0 |   | 0 | 1 | 1 | 0 |   |   |   |   | 1 | 0 | 0 | 0 | 1 |   | 1 | 1 |   |   | 1 | 2 | 1 | 1 | 0 |   | 0.60 | 38.71 |
I | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 1 | 0 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.05 | 3.23 |
x | 1 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 1 | 0 | 0 | 1 | 1 |   | 1 | 0 |   |   | 0 | 1 | 0 | 1 | 1 |   | 0.40 | 25.81 |
r | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 1 | 0 |   |   | 0 | 1 | 1 | 0 | 0 |   | 0.20 | 12.90 |
s | 1 |   | 0 | 0 | 0 |   | 0 | 1 | 1 | 0 |   |   |   |   | 0 | 1 | 1 | 1 | 1 |   | 2 | 1 |   |   | 2 | 2 | 1 | 1 | 0 |   | 0.80 | 51.61 |
a | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 2 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.10 | 6.45 |
h | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 1 | 0 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.05 | 3.23 |
k | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.00 | 0.00 |
x | 2 |   | 0 | 0 | 0 |   | 0 | 1 | 1 | 0 |   |   |   |   | 2 | 0 | 0 | 1 | 2 |   | 3 | 1 |   |   | 1 | 3 | 1 | 2 | 0 |   | 1.00 | 64.52 |
o | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 |   |   |   |   | 0 | 1 | 1 | 1 | 0 |   | 0 | 0 |   |   | 1 | 1 | 1 | 0 | 1 |   | 0.40 | 25.81 |
i | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 1 | 2 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.15 | 9.68 |
c | 0 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 |   | 0.00 | 0.00 |
CV | 11 |   | 0 | 0 | 0 |   | 0 | 10 | 10 | 13 |   |   |   |   | 41 | 25 | 11 | 12 | 11 |   | 27 | 42 |   |   | 21 | 34 | 23 | 21 | 2 |   | 15.70 | 100 |
CVn | 0 |   | 0 | 0 | 0 |   | 0 | 10 | 10 | 13 |   |   |   |   | 41 | 25 | 11 | 11 | 10 |   | 26 | 42 |   |   | 21 | 21 | 23 | 21 | 0 |   | 14.25 | 90.76 |
CVs | 11 |   | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   |   |   |   | 0 | 0 | 0 | 1 | 1 |   | 1 | 0 |   |   | 0 | 13 | 0 | 0 | 2 |   | 1.45 | 9.24 |
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