Statistics of sunspot activity
June, 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 | Average | % |
W | 108 | 112 | 131 |   | 127 | 128 | 135 |   | 150 |   | 142 | 140 | 180 |   |   |   | 93 |   | 97 | 81 | 98 | 108 |   |   |   | 133 | 124 | 120 | 115 | 127 | 122.45 | 100 |
Wn | 55 | 51 | 67 |   | 58 | 56 | 63 |   | 89 |   | 83 | 72 | 105 |   |   |   | 32 |   | 72 | 70 | 87 | 93 |   |   |   | 95 | 76 | 75 | 63 | 70 | 71.60 | 58.47 |
Ws | 53 | 61 | 64 |   | 69 | 72 | 72 |   | 61 |   | 59 | 68 | 75 |   |   |   | 61 |   | 25 | 11 | 11 | 15 |   |   |   | 38 | 48 | 45 | 52 | 57 | 50.85 | 41.53 |
n | 6 | 7 | 8 |   | 9 | 8 | 9 |   | 10 |   | 9 | 9 | 11 |   |   |   | 5 |   | 6 | 6 | 6 | 6 |   |   |   | 7 | 7 | 7 | 7 | 8 | 7.55 | 100 |
A | 0 | 1 | 0 |   | 2 | 0 | 0 |   | 2 |   | 0 | 0 | 0 |   |   |   | 0 |   | 1 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 2 | 0.40 | 5.30 |
B | 0 | 0 | 1 |   | 1 | 1 | 1 |   | 1 |   | 1 | 0 | 0 |   |   |   | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0.30 | 3.97 |
C | 0 | 0 | 1 |   | 1 | 2 | 3 |   | 1 |   | 1 | 1 | 2 |   |   |   | 1 |   | 0 | 0 | 2 | 3 |   |   |   | 1 | 0 | 0 | 0 | 0 | 0.95 | 12.58 |
D | 3 | 2 | 2 |   | 2 | 2 | 2 |   | 1 |   | 2 | 3 | 5 |   |   |   | 4 |   | 1 | 1 | 3 | 3 |   |   |   | 2 | 2 | 2 | 3 | 2 | 2.35 | 31.13 |
E | 1 | 1 | 1 |   | 0 | 1 | 1 |   | 2 |   | 0 | 0 | 1 |   |   |   | 0 |   | 1 | 1 | 0 | 0 |   |   |   | 1 | 1 | 2 | 1 | 2 | 0.85 | 11.26 |
F | 0 | 0 | 0 |   | 0 | 0 | 0 |   | 0 |   | 1 | 1 | 0 |   |   |   | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 1 | 2 | 1 | 1 | 1 | 0.40 | 5.30 |
G | 0 | 0 | 0 |   | 0 | 0 | 0 |   | 0 |   | 1 | 1 | 1 |   |   |   | 0 |   | 1 | 2 | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0.30 | 3.97 |
H | 0 | 0 | 2 |   | 1 | 1 | 1 |   | 2 |   | 2 | 2 | 1 |   |   |   | 0 |   | 2 | 2 | 1 | 0 |   |   |   | 2 | 1 | 0 | 0 | 0 | 1.00 | 13.25 |
I | 2 | 3 | 1 |   | 2 | 1 | 1 |   | 1 |   | 1 | 1 | 1 |   |   |   | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 1 | 2 | 2 | 1 | 1.00 | 13.25 |
x | 0 | 1 | 1 |   | 3 | 1 | 1 |   | 3 |   | 1 | 0 | 0 |   |   |   | 0 |   | 1 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 2 | 0.70 | 9.27 |
r | 1 | 1 | 1 |   | 1 | 1 | 1 |   | 1 |   | 1 | 1 | 1 |   |   |   | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0 | 1 | 0 | 0.55 | 7.28 |
s | 3 | 2 | 2 |   | 2 | 4 | 4 |   | 4 |   | 3 | 2 | 3 |   |   |   | 4 |   | 1 | 3 | 4 | 3 |   |   |   | 3 | 3 | 5 | 3 | 4 | 3.10 | 41.06 |
a | 0 | 1 | 1 |   | 3 | 2 | 3 |   | 2 |   | 3 | 5 | 5 |   |   |   | 1 |   | 3 | 2 | 1 | 2 |   |   |   | 4 | 1 | 1 | 2 | 1 | 2.15 | 28.48 |
h | 1 | 1 | 1 |   | 0 | 0 | 0 |   | 0 |   | 1 | 1 | 0 |   |   |   | 0 |   | 0 | 1 | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0.30 | 3.97 |
k | 1 | 1 | 2 |   | 0 | 0 | 0 |   | 0 |   | 0 | 0 | 2 |   |   |   | 0 |   | 1 | 0 | 1 | 1 |   |   |   | 0 | 3 | 1 | 1 | 1 | 0.75 | 9.93 |
x | 2 | 4 | 3 |   | 5 | 2 | 2 |   | 5 |   | 3 | 3 | 2 |   |   |   | 0 |   | 3 | 2 | 1 | 0 |   |   |   | 2 | 2 | 2 | 2 | 3 | 2.40 | 31.79 |
o | 1 | 0 | 2 |   | 2 | 2 | 5 |   | 2 |   | 5 | 4 | 6 |   |   |   | 3 |   | 2 | 3 | 4 | 5 |   |   |   | 3 | 2 | 2 | 1 | 2 | 2.80 | 37.09 |
i | 3 | 2 | 3 |   | 2 | 4 | 2 |   | 3 |   | 0 | 1 | 2 |   |   |   | 2 |   | 1 | 1 | 0 | 0 |   |   |   | 2 | 3 | 3 | 4 | 3 | 2.05 | 27.15 |
c | 0 | 1 | 0 |   | 0 | 0 | 0 |   | 0 |   | 1 | 1 | 1 |   |   |   | 0 |   | 0 | 0 | 1 | 1 |   |   |   | 0 | 0 | 0 | 0 | 0 | 0.30 | 3.97 |
CV | 160 | 155 | 179 |   | 80 | 115 | 116 |   | 113 |   | 164 | 178 | 246 |   |   |   | 111 |   | 110 | 138 | 131 | 129 |   |   |   | 119 | 210 | 170 | 160 | 162 | 147.30 | 100 |
CVn | 109 | 109 | 116 |   | 36 | 68 | 69 |   | 80 |   | 82 | 76 | 137 |   |   |   | 44 |   | 99 | 128 | 121 | 110 |   |   |   | 91 | 130 | 112 | 105 | 109 | 96.55 | 65.55 |
CVs | 51 | 46 | 63 |   | 44 | 47 | 47 |   | 33 |   | 82 | 102 | 109 |   |   |   | 67 |   | 11 | 10 | 10 | 19 |   |   |   | 28 | 80 | 58 | 55 | 53 | 50.75 | 34.45 |
gr | 5 | 4 | 5 |   | 5 | 6 | 7 |   | 6 |   | 6 | 8 | 10 |   |   |   | 5 |   | 6 | 5 | 5 | 6 |   |   |   | 5 | 5 | 5 | 6 | 5 | 5.75 | 79.86 |
grfp | 34 | 34 | 38 |   | 23 | 27 | 27 |   | 27 |   | 26 | 40 | 51 |   |   |   | 29 |   | 24 | 19 | 29 | 37 |   |   |   | 47 | 42 | 38 | 30 | 29 | 32.55 | 71.46 |
grf | 13 | 5 | 10 |   | 11 | 20 | 17 |   | 20 |   | 24 | 10 | 19 |   |   |   | 14 |   | 13 | 1 | 9 | 11 |   |   |   | 14 | 10 | 10 | 14 | 15 | 13.00 | 28.54 |
efp | 1 | 2 | 3 |   | 2 | 1 | 1 |   | 1 |   | 2 | 0 | 0 |   |   |   | 0 |   | 0 | 1 | 1 | 0 |   |   |   | 2 | 2 | 2 | 1 | 1 | 1.15 | 15.97 |
ef | 0 | 1 | 0 |   | 1 | 0 | 0 |   | 2 |   | 0 | 0 | 0 |   |   |   | 0 |   | 0 | 0 | 0 | 0 |   |   |   | 0 | 0 | 0 | 0 | 2 | 0.30 | 4.17 |
Cond | 1 | 1 | 2 |   | 1 | 2 | 2 |   | 3 |   | 2 | 3 | 1 |   |   |   | 2 |   | 1 | 1 | 2 | 2 |   |   |   | 1 | 1 | 1 | 1 | 2 | 1.60 | 68.00 |
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