Statistics of sunspot activity
August, 2000
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 | 177 | 200 | 177 |   | 243 | 285 | 299 | 221 | 222 | 241 | 258 | 277 | 291 |   | 253 | 299 | 246 | 198 | 187 | 146 | 100 | 86 |   | 106 | 130 | 123 | 184 | 217 | 227 | 226 | 252 | 209.68 | 100 |
Wn | 55 | 90 | 76 |   | 98 | 108 | 144 | 137 | 147 | 140 | 180 | 215 | 185 |   | 146 | 157 | 117 | 121 | 105 | 76 | 45 | 36 |   | 60 | 86 | 57 | 102 | 121 | 137 | 153 | 177 | 116.82 | 55.71 |
Ws | 122 | 110 | 101 |   | 145 | 177 | 155 | 84 | 75 | 101 | 78 | 62 | 106 |   | 107 | 142 | 129 | 77 | 82 | 70 | 55 | 50 |   | 46 | 44 | 66 | 82 | 96 | 90 | 73 | 75 | 92.86 | 44.29 |
n | 9 | 11 | 11 |   | 11 | 14 | 14 | 11 | 10 | 14 | 12 | 14 | 16 |   | 11 | 12 | 9 | 9 | 10 | 10 | 7 | 5 |   | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 13 | 10.57 | 100 |
A | 0 | 1 | 1 |   | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0.25 | 2.36 |
B | 2 | 1 | 1 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0.18 | 1.69 |
C | 2 | 3 | 2 |   | 3 | 4 | 3 | 2 | 3 | 3 | 2 | 2 | 1 |   | 0 | 3 | 4 | 4 | 3 | 2 | 1 | 1 |   | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 3 | 2.00 | 18.92 |
D | 3 | 3 | 4 |   | 3 | 5 | 5 | 5 | 3 | 8 | 5 | 7 | 7 |   | 6 | 4 | 4 | 2 | 2 | 2 | 2 | 3 |   | 4 | 4 | 3 | 2 | 2 | 2 | 2 | 1 | 3.68 | 34.80 |
E | 0 | 1 | 1 |   | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 |   | 0 | 2 | 1 | 2 | 1 | 1 | 0 | 0 |   | 0 | 0 | 0 | 2 | 3 | 3 | 3 | 3 | 1.14 | 10.81 |
F | 0 | 1 | 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 | 0.04 | 0.34 |
G | 1 | 0 | 1 |   | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 2 | 2 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.39 | 3.72 |
H | 1 | 1 | 0 |   | 2 | 2 | 2 | 1 | 2 | 1 | 0 | 0 | 2 |   | 2 | 0 | 0 | 1 | 2 | 3 | 1 | 0 |   | 0 | 0 | 1 | 1 | 4 | 1 | 0 | 0 | 1.07 | 10.14 |
I | 0 | 0 | 1 |   | 0 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 3 |   | 3 | 3 | 0 | 0 | 2 | 2 | 3 | 1 |   | 1 | 2 | 3 | 3 | 1 | 3 | 3 | 5 | 1.79 | 16.89 |
x | 2 | 2 | 2 |   | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |   | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0.43 | 4.05 |
r | 0 | 1 | 1 |   | 2 | 3 | 1 | 2 | 1 | 2 | 2 | 0 | 4 |   | 1 | 3 | 1 | 0 | 0 | 0 | 1 | 0 |   | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 1.29 | 12.16 |
s | 3 | 4 | 1 |   | 4 | 5 | 6 | 4 | 4 | 4 | 2 | 4 | 4 |   | 2 | 1 | 2 | 3 | 4 | 5 | 2 | 2 |   | 3 | 3 | 5 | 3 | 2 | 1 | 0 | 1 | 3.00 | 28.38 |
a | 4 | 4 | 7 |   | 5 | 6 | 6 | 4 | 4 | 7 | 7 | 10 | 8 |   | 7 | 8 | 6 | 6 | 6 | 5 | 4 | 2 |   | 3 | 3 | 2 | 4 | 7 | 7 | 6 | 8 | 5.57 | 52.70 |
h | 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 | 0 | 0 | 0.00 | 0.00 |
k | 0 | 0 | 0 |   | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 |   | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |   | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.29 | 2.70 |
x | 1 | 2 | 2 |   | 2 | 3 | 5 | 3 | 3 | 2 | 2 | 2 | 5 |   | 5 | 3 | 0 | 1 | 4 | 5 | 4 | 1 |   | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 6 | 3.14 | 29.73 |
o | 5 | 5 | 7 |   | 4 | 8 | 5 | 6 | 3 | 9 | 7 | 10 | 9 |   | 3 | 4 | 3 | 4 | 4 | 4 | 2 | 2 |   | 5 | 3 | 3 | 3 | 2 | 1 | 2 | 4 | 4.54 | 42.91 |
i | 3 | 4 | 2 |   | 5 | 3 | 4 | 2 | 4 | 3 | 3 | 2 | 2 |   | 3 | 5 | 6 | 4 | 2 | 1 | 1 | 1 |   | 0 | 2 | 1 | 3 | 3 | 4 | 4 | 3 | 2.86 | 27.03 |
c | 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 | 0 | 0 | 0.04 | 0.34 |
CV | 121 | 157 | 149 |   | 173 | 209 | 199 | 191 | 165 | 250 | 218 | 247 | 239 |   | 185 | 168 | 142 | 139 | 126 | 130 | 80 | 117 |   | 104 | 108 | 110 | 125 | 145 | 138 | 158 | 169 | 159.36 | 100 |
CVn | 39 | 67 | 78 |   | 70 | 73 | 68 | 110 | 116 | 124 | 153 | 175 | 154 |   | 79 | 78 | 64 | 78 | 67 | 76 | 37 | 30 |   | 50 | 68 | 37 | 76 | 82 | 85 | 112 | 113 | 84.25 | 52.87 |
CVs | 82 | 90 | 71 |   | 103 | 136 | 131 | 81 | 49 | 126 | 65 | 72 | 85 |   | 106 | 90 | 78 | 61 | 59 | 54 | 43 | 87 |   | 54 | 40 | 74 | 49 | 63 | 53 | 46 | 56 | 75.14 | 47.15 |
gr | 8 | 9 | 9 |   | 11 | 13 | 13 | 10 | 9 | 13 | 13 | 14 | 13 |   | 10 | 12 | 9 | 8 | 8 | 8 | 5 | 5 |   | 5 | 6 | 5 | 6 | 8 | 7 | 8 | 13 | 9.21 | 86.29 |
grfp | 42 | 37 | 39 |   | 83 | 102 | 94 | 69 | 73 | 66 | 77 | 75 | 79 |   | 90 | 103 | 74 | 74 | 59 | 30 | 20 | 22 |   | 22 | 32 | 30 | 53 | 80 | 84 | 80 | 84 | 63.32 | 61.78 |
grf | 44 | 51 | 26 |   | 50 | 42 | 64 | 41 | 48 | 34 | 60 | 61 | 49 |   | 52 | 76 | 82 | 33 | 26 | 14 | 8 | 14 |   | 12 | 16 | 10 | 27 | 35 | 40 | 44 | 38 | 39.18 | 38.22 |
efp | 1 | 2 | 2 |   | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 |   | 1 | 0 | 0 | 1 | 2 | 2 | 2 | 0 |   | 2 | 2 | 3 | 4 | 2 | 2 | 1 | 0 | 1.39 | 13.04 |
ef | 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 | 1 | 1 | 0 | 0.07 | 0.67 |
Cond | 1 | 1 | 2 |   | 2 | 2 | 1 | 2 | 1 | 3-4 | 2 | 1 | 1 |   | 2 | 2 | 1 | 2 | 2 | 4 | 2 | 1 |   | 2 | 3 | 2 | 1 | 1 | 2 | 3 | 2 | 1.84 | 63.21 |
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