Statistics of sunspot activity
October, 1999
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 | 55 | 60 | 79 | 109 | 174 | 182 | 188 | 176 | 185 | 182 | 171 | 138 | 188 | 180 | 157 |   |   |   |   |   |   | 130 |   |   |   |   |   |   |   |   |   | 147.13 | 100 |
Wn | 40 | 37 | 39 | 46 | 97 | 102 | 114 | 110 | 128 | 145 | 134 | 116 | 166 | 167 | 157 |   |   |   |   |   |   | 45 |   |   |   |   |   |   |   |   |   | 102.69 | 69.80 |
Ws | 15 | 23 | 40 | 63 | 77 | 80 | 74 | 66 | 57 | 37 | 37 | 22 | 22 | 13 | 0 |   |   |   |   |   |   | 85 |   |   |   |   |   |   |   |   |   | 44.44 | 30.20 |
n | 4 | 5 | 6 | 6 | 10 | 11 | 12 | 12 | 11 | 11 | 11 | 7 | 7 | 6 | 5 |   |   |   |   |   |   | 6 |   |   |   |   |   |   |   |   |   | 8.13 | 100 |
A | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.25 | 3.08 |
B | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.19 | 2.31 |
C | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 3 | 1 | 0 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 1.44 | 17.69 |
D | 1 | 0 | 2 | 2 | 5 | 4 | 4 | 2 | 4 | 4 | 2 | 1 | 1 | 1 | 0 |   |   |   |   |   |   | 1 |   |   |   |   |   |   |   |   |   | 2.13 | 26.15 |
E | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 |   |   |   |   |   |   | 3 |   |   |   |   |   |   |   |   |   | 0.94 | 11.54 |
F | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.13 | 1.54 |
G | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.25 | 3.08 |
H | 0 | 1 | 1 | 0 | 1 | 2 | 2 | 3 | 3 | 2 | 1 | 2 | 2 | 1 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 1.31 | 16.15 |
I | 1 | 3 | 1 | 1 | 1 | 2 | 3 | 3 | 1 | 1 | 1 | 0 | 1 | 1 | 2 |   |   |   |   |   |   | 2 |   |   |   |   |   |   |   |   |   | 1.50 | 18.46 |
x | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.44 | 5.38 |
r | 0 | 3 | 0 | 0 | 3 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.75 | 9.23 |
s | 1 | 1 | 2 | 1 | 0 | 2 | 2 | 3 | 1 | 1 | 1 | 4 | 2 | 1 | 2 |   |   |   |   |   |   | 2 |   |   |   |   |   |   |   |   |   | 1.63 | 20.00 |
a | 3 | 1 | 3 | 4 | 7 | 6 | 9 | 6 | 7 | 8 | 6 | 1 | 3 | 3 | 2 |   |   |   |   |   |   | 4 |   |   |   |   |   |   |   |   |   | 4.56 | 56.15 |
h | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.06 | 0.77 |
k | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.69 | 8.46 |
x | 1 | 4 | 3 | 1 | 2 | 4 | 5 | 7 | 4 | 3 | 4 | 2 | 3 | 2 | 2 |   |   |   |   |   |   | 2 |   |   |   |   |   |   |   |   |   | 3.06 | 37.69 |
o | 3 | 1 | 3 | 2 | 7 | 6 | 5 | 4 | 7 | 5 | 4 | 2 | 0 | 2 | 1 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 3.25 | 40.00 |
i | 0 | 0 | 0 | 3 | 1 | 1 | 2 | 1 | 0 | 3 | 3 | 3 | 4 | 1 | 1 |   |   |   |   |   |   | 4 |   |   |   |   |   |   |   |   |   | 1.69 | 20.77 |
c | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.13 | 1.54 |
CV | 60 | 30 | 70 | 88 | 136 | 128 | 144 | 138 | 143 | 171 | 184 | 174 | 167 | 168 | 123 |   |   |   |   |   |   | 114 |   |   |   |   |   |   |   |   |   | 127.38 | 100 |
CVn | 41 | 22 | 19 | 35 | 71 | 65 | 78 | 102 | 99 | 145 | 159 | 154 | 147 | 159 | 123 |   |   |   |   |   |   | 46 |   |   |   |   |   |   |   |   |   | 91.56 | 71.88 |
CVs | 19 | 8 | 51 | 53 | 65 | 63 | 66 | 36 | 44 | 26 | 25 | 20 | 20 | 7 | 0 |   |   |   |   |   |   | 68 |   |   |   |   |   |   |   |   |   | 35.69 | 28.02 |
gr | 4 | 4 | 4 | 6 | 9 | 9 | 10 | 9 | 11 | 11 | 9 | 5 | 5 | 6 | 4 |   |   |   |   |   |   | 5 |   |   |   |   |   |   |   |   |   | 6.94 | 87.40 |
grfp | 12 | 7 | 10 | 34 | 46 | 48 | 43 | 28 | 36 | 43 | 38 | 49 | 77 | 80 | 74 |   |   |   |   |   |   | 61 |   |   |   |   |   |   |   |   |   | 57.13 | 72.31 |
grf | 3 | 2 | 8 | 15 | 27 | 23 | 24 | 26 | 36 | 29 | 21 | 17 | 39 | 40 | 32 |   |   |   |   |   |   | 8 |   |   |   |   |   |   |   |   |   | 21.88 | 27.69 |
efp | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 1 |   |   |   |   |   |   | 1 |   |   |   |   |   |   |   |   |   | 0.81 | 10.24 |
ef | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |   |   |   |   |   |   | 0 |   |   |   |   |   |   |   |   |   | 0.19 | 2.36 |
Cond | 3 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 3 | 1 | 2 | 2 |   |   |   |   |   |   | 2 |   |   |   |   |   |   |   |   |   | 1.81 | 63.80 |
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