Statistics of sunspot activity
August, 2001
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 | 117 | 121 |   |   |   | 158 | 169 | 190 | 155 | 159 | 187 | 158 | 114 | 141 | 162 |   |   | 165 | 161 | 127 | 142 |   | 150 |   |   | 132 |   |   | 132 |   |   | 149.47 | 100 |
Wn | 48 | 59 |   |   |   | 65 | 84 | 97 | 92 | 85 | 75 | 56 | 27 | 38 | 48 |   |   | 94 | 96 | 89 | 97 |   | 87 |   |   | 37 |   |   | 64 |   |   | 70.42 | 47.11 |
Ws | 69 | 62 |   |   |   | 93 | 85 | 93 | 63 | 74 | 112 | 102 | 87 | 103 | 114 |   |   | 71 | 65 | 38 | 45 |   | 63 |   |   | 95 |   |   | 68 |   |   | 79.05 | 52.89 |
n | 7 | 6 |   |   |   | 6 | 7 | 9 | 8 | 9 | 10 | 9 | 6 | 8 | 13 |   |   | 10 | 10 | 7 | 8 |   | 8 |   |   | 7 |   |   | 6 |   |   | 8.11 | 100 |
A | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |   |   | 1 | 0 | 0 | 0 |   | 0 |   |   | 0 |   |   | 0 |   |   | 0.11 | 1.30 |
B | 2 | 0 |   |   |   | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 1 |   |   | 0 |   |   | 0.21 | 2.60 |
C | 1 | 1 |   |   |   | 1 | 2 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 |   |   | 2 | 0 | 0 | 0 |   | 0 |   |   | 0 |   |   | 0 |   |   | 0.63 | 7.79 |
D | 2 | 3 |   |   |   | 2 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 2 |   |   | 2 | 3 | 2 | 1 |   | 4 |   |   | 2 |   |   | 2 |   |   | 2.47 | 30.52 |
E | 0 | 0 |   |   |   | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 |   |   | 0 | 0 | 1 | 1 |   | 0 |   |   | 0 |   |   | 1 |   |   | 0.58 | 7.14 |
F | 0 | 0 |   |   |   | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 |   | 1 |   |   | 1 |   |   | 1 |   |   | 0.32 | 3.90 |
G | 1 | 1 |   |   |   | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |   |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 |   |   | 0 |   |   | 0.26 | 3.25 |
H | 0 | 0 |   |   |   | 1 | 0 | 2 | 3 | 2 | 4 | 2 | 1 | 2 | 4 |   |   | 2 | 2 | 2 | 4 |   | 2 |   |   | 3 |   |   | 2 |   |   | 2.00 | 24.68 |
I | 1 | 1 |   |   |   | 0 | 0 | 1 | 2 | 2 | 0 | 2 | 1 | 1 | 5 |   |   | 3 | 5 | 2 | 2 |   | 1 |   |   | 0 |   |   | 0 |   |   | 1.53 | 18.83 |
x | 2 | 0 |   |   |   | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |   |   | 1 | 0 | 0 | 0 |   | 0 |   |   | 1 |   |   | 0 |   |   | 0.32 | 3.90 |
r | 1 | 3 |   |   |   | 1 | 0 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 0 |   |   | 2 | 2 | 1 | 1 |   | 0 |   |   | 0 |   |   | 0 |   |   | 1.21 | 14.94 |
s | 0 | 1 |   |   |   | 1 | 2 | 2 | 3 | 5 | 7 | 4 | 3 | 4 | 8 |   |   | 3 | 5 | 3 | 4 |   | 2 |   |   | 3 |   |   | 3 |   |   | 3.32 | 40.91 |
a | 4 | 2 |   |   |   | 3 | 4 | 4 | 2 | 1 | 2 | 3 | 2 | 2 | 4 |   |   | 4 | 3 | 3 | 3 |   | 4 |   |   | 2 |   |   | 2 |   |   | 2.84 | 35.07 |
h | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 |   |   | 0 |   |   | 0.00 | 0.00 |
k | 0 | 0 |   |   |   | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 |   | 2 |   |   | 1 |   |   | 1 |   |   | 0.42 | 5.19 |
x | 1 | 1 |   |   |   | 1 | 0 | 3 | 5 | 4 | 4 | 4 | 2 | 3 | 10 |   |   | 6 | 7 | 4 | 6 |   | 3 |   |   | 3 |   |   | 2 |   |   | 3.63 | 44.81 |
o | 4 | 3 |   |   |   | 0 | 3 | 2 | 0 | 1 | 1 | 2 | 1 | 3 | 2 |   |   | 3 | 1 | 1 | 1 |   | 2 |   |   | 2 |   |   | 1 |   |   | 1.74 | 21.43 |
i | 2 | 2 |   |   |   | 4 | 2 | 2 | 1 | 3 | 2 | 2 | 3 | 2 | 1 |   |   | 1 | 2 | 2 | 1 |   | 3 |   |   | 2 |   |   | 2 |   |   | 2.05 | 25.32 |
c | 0 | 0 |   |   |   | 1 | 2 | 2 | 2 | 1 | 3 | 1 | 0 | 0 | 0 |   |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 |   |   | 1 |   |   | 0.68 | 8.44 |
CV | 73 | 89 |   |   |   | 132 | 176 | 180 | 148 | 139 | 192 | 134 | 91 | 142 | 152 |   |   | 96 | 127 | 101 | 93 |   | 184 |   |   | 121 |   |   | 147 |   |   | 132.47 | 100 |
CVn | 35 | 49 |   |   |   | 65 | 83 | 89 | 81 | 80 | 97 | 59 | 21 | 31 | 37 |   |   | 60 | 80 | 65 | 62 |   | 110 |   |   | 42 |   |   | 73 |   |   | 64.16 | 48.43 |
CVs | 38 | 40 |   |   |   | 67 | 93 | 91 | 67 | 59 | 95 | 75 | 70 | 111 | 115 |   |   | 36 | 47 | 36 | 31 |   | 74 |   |   | 79 |   |   | 74 |   |   | 68.32 | 51.57 |
gr | 7 | 6 |   |   |   | 6 | 7 | 8 | 6 | 7 | 9 | 8 | 5 | 5 | 7 |   |   | 7 | 6 | 4 | 3 |   | 7 |   |   | 5 |   |   | 5 |   |   | 6.21 | 76.62 |
grfp | 20 | 34 |   |   |   | 69 | 62 | 52 | 52 | 45 | 59 | 41 | 36 | 32 | 24 |   |   | 38 | 35 | 27 | 38 |   | 43 |   |   | 42 |   |   | 52 |   |   | 42.16 | 63.37 |
grf | 27 | 27 |   |   |   | 29 | 37 | 47 | 21 | 22 | 27 | 26 | 17 | 26 | 2 |   |   | 24 | 22 | 27 | 19 |   | 26 |   |   | 18 |   |   | 19 |   |   | 24.37 | 36.63 |
efp | 0 | 0 |   |   |   | 0 | 0 | 1 | 2 | 2 | 1 | 1 | 1 | 3 | 5 |   |   | 2 | 4 | 3 | 5 |   | 1 |   |   | 2 |   |   | 1 |   |   | 1.79 | 22.08 |
ef | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |   |   | 1 | 0 | 0 | 0 |   | 0 |   |   | 0 |   |   | 0 |   |   | 0.11 | 1.30 |
Cond | 1 | 1 |   |   |   | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |   |   | 2 | 1 | 1 | 2 |   | 2 |   |   | 2 |   |   | 1 |   |   | 1.21 | 75.79 |
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