Statistics of sunspot activity
July, 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 |   | 100 | 114 | 89 |   | 40 | 66 |   |   | 78 | 93 | 131 | 138 | 123 | 112 | 131 |   | 166 | 151 | 162 | 121 | 141 | 124 | 112 | 85 | 85 | 82 | 80 |   | 77 | 60 | 106.44 | 100 |
Wn |   | 75 | 91 | 71 |   | 12 | 34 |   |   | 25 | 41 | 58 | 52 | 41 | 29 | 57 |   | 53 | 68 | 79 | 76 | 80 | 63 | 65 | 46 | 40 | 37 | 37 |   | 14 | 14 | 50.32 | 47.28 |
Ws |   | 25 | 23 | 18 |   | 28 | 32 |   |   | 53 | 52 | 73 | 86 | 82 | 83 | 74 |   | 113 | 83 | 83 | 45 | 61 | 61 | 47 | 39 | 45 | 45 | 43 |   | 63 | 46 | 56.12 | 52.72 |
n |   | 8 | 8 | 6 |   | 3 | 4 |   |   | 5 | 6 | 9 | 8 | 6 | 6 | 8 |   | 10 | 10 | 10 | 7 | 7 | 6 | 5 | 4 | 5 | 5 | 5 |   | 5 | 4 | 6.40 | 100 |
A |   | 0 | 1 | 0 |   | 0 | 0 |   |   | 0 | 1 | 1 | 0 | 0 | 0 | 0 |   | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0.20 | 3.13 |
B |   | 0 | 0 | 0 |   | 0 | 1 |   |   | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |   | 1 | 0 | 0.36 | 5.63 |
C |   | 2 | 2 | 1 |   | 0 | 0 |   |   | 0 | 0 | 0 | 1 | 0 | 0 | 0 |   | 2 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0.52 | 8.13 |
D |   | 0 | 1 | 1 |   | 1 | 1 |   |   | 2 | 4 | 4 | 2 | 2 | 3 | 4 |   | 0 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 2 |   | 3 | 3 | 1.76 | 27.50 |
E |   | 0 | 0 | 1 |   | 0 | 0 |   |   | 0 | 0 | 0 | 1 | 1 | 1 | 1 |   | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 |   | 0 | 0 | 0.68 | 10.63 |
F |   | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |   | 0 | 0 | 0.08 | 1.25 |
G |   | 1 | 1 | 0 |   | 0 | 0 |   |   | 0 | 0 | 1 | 1 | 1 | 1 | 1 |   | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |   | 0 | 0 | 0.64 | 10.00 |
H |   | 1 | 2 | 2 |   | 2 | 2 |   |   | 1 | 1 | 2 | 2 | 2 | 1 | 1 |   | 1 | 2 | 2 | 1 | 1 | 0 | 1 | 1 | 2 | 2 | 1 |   | 1 | 0 | 1.36 | 21.25 |
I |   | 4 | 1 | 1 |   | 0 | 0 |   |   | 1 | 0 | 1 | 1 | 0 | 0 | 1 |   | 2 | 3 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 |   | 0 | 1 | 0.80 | 12.50 |
x |   | 0 | 1 | 0 |   | 0 | 1 |   |   | 1 | 1 | 1 | 0 | 0 | 0 | 0 |   | 1 | 0 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |   | 1 | 0 | 0.56 | 8.75 |
r |   | 0 | 1 | 1 |   | 0 | 0 |   |   | 1 | 1 | 3 | 3 | 2 | 1 | 3 |   | 3 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |   | 0 | 1 | 1.08 | 16.88 |
s |   | 4 | 2 | 2 |   | 1 | 1 |   |   | 2 | 2 | 3 | 3 | 3 | 3 | 2 |   | 3 | 3 | 3 | 4 | 4 | 3 | 2 | 1 | 2 | 2 | 1 |   | 1 | 1 | 2.32 | 36.25 |
a |   | 4 | 4 | 3 |   | 2 | 2 |   |   | 1 | 2 | 2 | 2 | 1 | 2 | 2 |   | 3 | 3 | 4 | 0 | 2 | 3 | 2 | 2 | 2 | 2 | 4 |   | 3 | 2 | 2.36 | 36.88 |
h |   | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 1 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0.04 | 0.63 |
k |   | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |   | 0 | 0 | 0.04 | 0.63 |
x |   | 5 | 4 | 3 |   | 2 | 2 |   |   | 2 | 2 | 4 | 3 | 2 | 1 | 2 |   | 3 | 5 | 4 | 1 | 2 | 1 | 1 | 2 | 3 | 2 | 1 |   | 1 | 1 | 2.36 | 36.88 |
o |   | 3 | 3 | 1 |   | 0 | 1 |   |   | 2 | 3 | 4 | 3 | 2 | 4 | 4 |   | 4 | 3 | 4 | 2 | 3 | 3 | 2 | 1 | 0 | 1 | 2 |   | 4 | 2 | 2.44 | 38.13 |
i |   | 0 | 1 | 2 |   | 1 | 1 |   |   | 1 | 1 | 1 | 2 | 2 | 1 | 2 |   | 3 | 2 | 2 | 4 | 2 | 1 | 2 | 1 | 2 | 2 | 2 |   | 0 | 1 | 1.56 | 24.38 |
c |   | 0 | 0 | 0 |   | 0 | 0 |   |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0.04 | 0.63 |
CV |   | 83 | 83 | 74 |   | 39 | 39 |   |   | 63 | 90 | 118 | 110 | 98 | 116 | 160 |   | 134 | 128 | 124 | 104 | 121 | 126 | 83 | 84 | 70 | 67 | 94 |   | 72 | 67 | 93.88 | 100 |
CVn |   | 65 | 61 | 51 |   | 10 | 13 |   |   | 35 | 54 | 51 | 50 | 46 | 36 | 80 |   | 45 | 64 | 59 | 70 | 84 | 90 | 60 | 29 | 32 | 32 | 32 |   | 25 | 25 | 47.96 | 51.09 |
CVs |   | 18 | 22 | 23 |   | 29 | 26 |   |   | 28 | 36 | 67 | 60 | 52 | 80 | 80 |   | 89 | 64 | 65 | 34 | 37 | 36 | 23 | 55 | 38 | 35 | 62 |   | 47 | 42 | 45.92 | 48.91 |
gr |   | 4 | 5 | 4 |   | 3 | 4 |   |   | 4 | 5 | 6 | 6 | 4 | 4 | 6 |   | 7 | 7 | 8 | 6 | 5 | 6 | 4 | 3 | 2 | 3 | 4 |   | 5 | 4 | 4.76 | 74.38 |
grfp |   | 11 | 22 | 18 |   | 7 | 15 |   |   | 15 | 15 | 25 | 31 | 37 | 35 | 36 |   | 35 | 25 | 25 | 23 | 49 | 42 | 36 | 24 | 20 | 14 | 18 |   | 14 | 15 | 24.28 | 59.51 |
grf |   | 5 | 9 | 9 |   | 3 | 11 |   |   | 12 | 17 | 13 | 25 | 24 | 15 | 13 |   | 28 | 23 | 35 | 27 | 20 | 22 | 25 | 20 | 12 | 16 | 11 |   | 13 | 5 | 16.52 | 40.49 |
efp |   | 4 | 2 | 2 |   | 0 | 0 |   |   | 1 | 1 | 2 | 2 | 2 | 2 | 2 |   | 3 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 3 | 2 | 1 |   | 0 | 0 | 1.52 | 23.75 |
ef |   | 0 | 1 | 0 |   | 0 | 0 |   |   | 0 | 0 | 1 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0.12 | 1.88 |
Cond |   | 3 | 2 | 2 |   | 1 | 2 |   |   | 1 | 1 | 2 | 2 | 1 | 1 | 2 |   | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 1 |   | 1 | 1 | 1.52 | 69.60 |
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