Statistics of sunspot activity
July, 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 | 127 | 129 | 131 | 168 | 128 | 99 |   | 69 | 75 | 80 | 88 |   | 61 |   |   | 96 | 95 | 55 | 42 |   | 113 | 116 | 113 | 135 | 95 | 74 | 128 |   | 73 | 93 | 89 | 98.88 | 100 |
Wn | 49 | 44 | 49 | 53 | 35 | 42 |   | 40 | 27 | 25 | 26 |   | 14 |   |   | 14 | 11 | 0 | 0 |   | 16 | 47 | 50 | 74 | 71 | 52 | 91 |   | 58 | 71 | 66 | 41.00 | 41.46 |
Ws | 78 | 85 | 82 | 115 | 93 | 57 |   | 29 | 48 | 55 | 62 |   | 47 |   |   | 82 | 84 | 55 | 42 |   | 97 | 69 | 63 | 61 | 24 | 22 | 37 |   | 15 | 22 | 23 | 57.88 | 58.54 |
n | 8 | 9 | 8 | 8 | 7 | 7 |   | 5 | 5 | 6 | 6 |   | 3 |   |   | 5 | 5 | 3 | 3 |   | 7 | 7 | 7 | 7 | 4 | 4 | 7 |   | 4 | 5 | 6 | 5.84 | 100 |
A | 0 | 1 | 0 | 0 | 1 | 2 |   | 1 | 1 | 0 | 1 |   | 0 |   |   | 0 | 1 | 0 | 0 |   | 0 | 0 | 1 | 1 | 0 | 1 | 2 |   | 0 | 0 | 1 | 0.56 | 9.59 |
B | 0 | 0 | 2 | 1 | 0 | 2 |   | 1 | 1 | 1 | 1 |   | 0 |   |   | 2 | 1 | 0 | 1 |   | 1 | 1 | 0 | 1 | 0 | 0 | 2 |   | 0 | 0 | 0 | 0.72 | 12.33 |
C | 4 | 3 | 1 | 1 | 1 | 1 |   | 2 | 1 | 3 | 0 |   | 0 |   |   | 0 | 1 | 1 | 1 |   | 4 | 2 | 5 | 2 | 1 | 1 | 0 |   | 0 | 1 | 0 | 1.44 | 24.66 |
D | 1 | 2 | 1 | 1 | 1 | 0 |   | 0 | 1 | 0 | 1 |   | 1 |   |   | 3 | 2 | 2 | 1 |   | 1 | 3 | 0 | 1 | 2 | 1 | 2 |   | 3 | 1 | 0 | 1.24 | 21.23 |
E | 0 | 0 | 0 | 1 | 1 | 0 |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 | 0 | 0 | 0 |   | 0 | 1 | 1 | 1 | 0 | 1 | 0 |   | 0 | 0 | 0 | 0.24 | 4.11 |
F | 0 | 0 | 0 | 0 | 0 | 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 | 0 |   | 0 | 0 | 0 | 0.00 | 0.00 |
H | 3 | 3 | 4 | 3 | 2 | 2 |   | 1 | 1 | 1 | 2 |   | 0 |   |   | 0 | 0 | 0 | 0 |   | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 2 | 3 | 1.12 | 19.18 |
I | 0 | 0 | 0 | 1 | 1 | 0 |   | 0 | 0 | 1 | 1 |   | 2 |   |   | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 | 1 | 0 | 1 |   | 1 | 1 | 2 | 0.52 | 8.90 |
x | 0 | 1 | 2 | 1 | 1 | 4 |   | 2 | 2 | 1 | 2 |   | 0 |   |   | 2 | 2 | 0 | 1 |   | 1 | 1 | 1 | 2 | 0 | 1 | 4 |   | 0 | 0 | 1 | 1.28 | 21.92 |
r | 1 | 1 | 1 | 1 | 0 | 0 |   | 1 | 0 | 3 | 0 |   | 2 |   |   | 1 | 0 | 2 | 0 |   | 0 | 2 | 1 | 1 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0.68 | 11.64 |
s | 3 | 4 | 3 | 3 | 3 | 2 |   | 1 | 2 | 1 | 1 |   | 0 |   |   | 0 | 2 | 0 | 0 |   | 1 | 1 | 1 | 0 | 0 | 0 | 1 |   | 1 | 0 | 1 | 1.24 | 21.23 |
a | 4 | 3 | 2 | 3 | 3 | 1 |   | 1 | 1 | 1 | 3 |   | 1 |   |   | 2 | 1 | 1 | 2 |   | 4 | 2 | 3 | 3 | 3 | 1 | 0 |   | 1 | 3 | 2 | 2.04 | 34.93 |
h | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 | 0 | 0 | 0 |   | 0 | 1 | 1 | 1 | 1 | 1 | 1 |   | 1 | 1 | 1 | 0.36 | 6.16 |
k | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 | 0 | 0 | 0 |   | 1 | 0 | 0 | 0 | 0 | 1 | 1 |   | 1 | 1 | 1 | 0.24 | 4.11 |
x | 3 | 4 | 4 | 4 | 4 | 4 |   | 2 | 2 | 2 | 4 |   | 2 |   |   | 0 | 1 | 0 | 0 |   | 1 | 0 | 1 | 2 | 1 | 1 | 3 |   | 1 | 3 | 6 | 2.20 | 37.67 |
o | 3 | 3 | 2 | 2 | 1 | 3 |   | 3 | 1 | 3 | 1 |   | 0 |   |   | 3 | 2 | 1 | 3 |   | 3 | 4 | 4 | 2 | 1 | 1 | 3 |   | 1 | 1 | 0 | 2.04 | 34.93 |
i | 2 | 2 | 2 | 2 | 2 | 0 |   | 0 | 2 | 1 | 1 |   | 1 |   |   | 2 | 2 | 2 | 0 |   | 3 | 3 | 2 | 2 | 2 | 1 | 1 |   | 2 | 1 | 0 | 1.52 | 26.03 |
c | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 |   | 0 |   |   | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 | 0 | 1 | 0 |   | 0 | 0 | 0 | 0.08 | 1.37 |
CV | 80 | 97 | 66 | 86 | 84 | 34 |   | 34 | 50 | 35 | 49 |   | 30 |   |   | 61 | 64 | 41 | 29 |   | 97 | 129 | 95 | 108 | 87 | 117 | 111 |   | 127 | 108 | 102 | 76.84 | 100 |
CVn | 29 | 41 | 20 | 20 | 9 | 10 |   | 10 | 29 | 15 | 17 |   | 4 |   |   | 2 | 1 | 0 | 0 |   | 9 | 27 | 28 | 45 | 38 | 64 | 61 |   | 78 | 61 | 55 | 26.92 | 35.03 |
CVs | 51 | 56 | 46 | 66 | 75 | 24 |   | 24 | 21 | 20 | 32 |   | 26 |   |   | 59 | 63 | 41 | 29 |   | 88 | 102 | 67 | 63 | 49 | 53 | 50 |   | 49 | 47 | 47 | 49.92 | 64.97 |
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