Statistics of sunspot activity
June, 2001
Visual indices of solar activity by National Geophysical Data Center
| Date | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | Average | % |
| W | 87.75 | 120.33 | 134.00 | 135.00 | 147.25 | 168.50 | 159.33 | 181.00 | 261.33 | 220.00 | 242.00 | 214.75 | 198.25 | 263.50 | 256.00 | 281.33 | 268.75 | 209.25 | 209.33 | 199.75 | 206.75 | 186.25 | 212.50 | 207.00 | 194.00 | 169.00 | 173.75 | 131.50 | 99.50 | 108.75 | 188.21 | 100 |
| Wn | 43.25 | 51.67 | 53.00 | 60.50 | 79.75 | 103.75 | 99.67 | 119.33 | 168.67 | 153.00 | 162.50 | 139.25 | 152.75 | 200.50 | 211.00 | 211.67 | 205.75 | 169.25 | 159.00 | 141.25 | 134.75 | 113.50 | 143.75 | 140.75 | 131.33 | 100.67 | 91.75 | 65.25 | 45.50 | 55.75 | 123.62 | 65.68 |
| Ws | 44.50 | 68.67 | 81.00 | 74.50 | 67.50 | 64.75 | 59.67 | 61.67 | 92.67 | 67.00 | 79.50 | 75.50 | 45.50 | 63.00 | 45.00 | 69.67 | 63.00 | 40.00 | 50.33 | 58.50 | 72.00 | 72.75 | 68.75 | 66.25 | 62.67 | 68.33 | 82.00 | 66.25 | 54.00 | 53.00 | 64.60 | 34.32 |
| n | 6.50 | 7.67 | 8.50 | 8.00 | 8.50 | 10.00 | 9.33 | 9.67 | 12.00 | 12.33 | 13.50 | 15.00 | 14.25 | 16.00 | 15.75 | 16.33 | 14.50 | 10.00 | 9.00 | 8.50 | 9.50 | 9.75 | 11.00 | 10.00 | 9.00 | 8.33 | 9.25 | 9.25 | 8.00 | 8.50 | 10.60 | 100 |
| A | 1.00 | 0.00 | 1.75 | 1.50 | 1.75 | 1.00 | 0.00 | 0.00 | 1.00 | 0.67 | 1.00 | 0.25 | 0.25 | 0.50 | 0.25 | 2.67 | 1.50 | 0.50 | 0.67 | 1.50 | 1.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.33 | 1.50 | 0.50 | 0.50 | 2.25 | 0.82 | 7.73 |
| B | 0.50 | 1.00 | 0.75 | 1.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.67 | 1.00 | 0.00 | 1.50 | 0.25 | 0.50 | 0.00 | 0.33 | 0.50 | 0.00 | 2.33 | 0.50 | 0.25 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.25 | 1.25 | 0.50 | 0.25 | 0.48 | 4.56 |
| C | 1.25 | 1.67 | 2.00 | 2.00 | 0.75 | 2.50 | 1.00 | 1.33 | 0.67 | 2.00 | 4.50 | 5.00 | 4.50 | 4.25 | 4.75 | 4.33 | 1.00 | 1.75 | 2.33 | 2.00 | 1.50 | 2.00 | 2.50 | 1.25 | 0.67 | 2.33 | 2.25 | 2.75 | 2.75 | 2.00 | 2.32 | 21.89 |
| D | 1.50 | 3.00 | 3.00 | 2.75 | 3.75 | 3.50 | 3.67 | 4.00 | 4.33 | 3.00 | 3.50 | 4.50 | 5.75 | 6.00 | 6.75 | 3.33 | 4.75 | 3.25 | 1.33 | 2.00 | 3.25 | 4.25 | 2.00 | 3.00 | 2.67 | 1.67 | 2.75 | 2.50 | 1.00 | 1.00 | 3.26 | 30.75 |
| E | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.75 | 1.33 | 0.67 | 1.67 | 1.67 | 1.50 | 0.25 | 0.00 | 0.25 | 0.25 | 0.33 | 0.50 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.48 | 4.53 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 1.33 | 1.00 | 0.75 | 1.00 | 1.50 | 1.00 | 1.00 | 0.50 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 2.94 |
| G | 0.75 | 1.00 | 0.25 | 0.00 | 0.50 | 0.25 | 0.67 | 2.33 | 1.00 | 1.33 | 1.00 | 1.75 | 1.50 | 2.50 | 1.75 | 0.33 | 0.75 | 0.25 | 0.67 | 0.50 | 1.00 | 1.00 | 3.00 | 2.75 | 1.33 | 1.33 | 1.50 | 0.25 | 0.25 | 0.25 | 1.06 | 9.99 |
| H | 0.00 | 0.33 | 0.00 | 0.25 | 0.25 | 0.00 | 0.67 | 0.33 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 1.42 |
| I | 1.50 | 0.67 | 0.75 | 0.00 | 1.00 | 2.00 | 1.33 | 1.00 | 1.67 | 2.33 | 2.00 | 1.75 | 2.00 | 2.00 | 1.75 | 3.67 | 4.00 | 2.25 | 0.33 | 0.25 | 1.50 | 0.75 | 2.50 | 2.25 | 2.33 | 1.67 | 0.50 | 2.00 | 3.00 | 2.75 | 1.72 | 16.20 |
| x | 1.50 | 1.00 | 2.50 | 2.50 | 1.75 | 1.00 | 0.67 | 0.00 | 1.67 | 1.67 | 1.00 | 1.75 | 0.50 | 1.00 | 0.25 | 3.00 | 2.00 | 0.50 | 3.00 | 2.00 | 1.25 | 0.75 | 0.50 | 0.00 | 0.00 | 0.33 | 1.75 | 1.75 | 1.00 | 2.50 | 1.30 | 12.29 |
| r | 0.75 | 0.33 | 0.50 | 0.25 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.25 | 0.25 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.25 | 0.25 | 0.25 | 0.00 | 0.67 | 0.00 | 0.50 | 0.50 | 0.00 | 0.23 | 2.20 |
| s | 2.50 | 2.67 | 1.00 | 0.75 | 1.75 | 4.25 | 4.00 | 3.33 | 1.67 | 2.00 | 3.00 | 6.00 | 6.00 | 7.50 | 8.50 | 6.00 | 3.25 | 3.25 | 2.00 | 1.00 | 3.25 | 4.00 | 2.50 | 3.25 | 3.00 | 3.33 | 4.75 | 3.75 | 5.75 | 2.75 | 3.56 | 33.58 |
| a | 1.75 | 3.33 | 3.50 | 2.25 | 3.50 | 3.25 | 3.67 | 5.67 | 8.00 | 7.00 | 8.00 | 7.00 | 6.75 | 6.50 | 6.25 | 5.00 | 6.75 | 4.25 | 3.00 | 3.75 | 2.75 | 3.25 | 6.25 | 5.25 | 5.00 | 4.00 | 2.50 | 3.25 | 0.75 | 3.25 | 4.51 | 42.60 |
| h | 0.00 | 0.33 | 0.50 | 0.25 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.15 | 1.39 |
| k | 0.00 | 0.00 | 0.50 | 2.00 | 1.50 | 1.00 | 0.67 | 0.33 | 0.33 | 1.00 | 1.50 | 0.00 | 0.00 | 0.50 | 0.75 | 2.00 | 2.50 | 1.75 | 1.00 | 1.50 | 2.00 | 1.00 | 1.50 | 1.25 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.84 | 7.94 |
| x | 2.50 | 1.00 | 2.50 | 1.75 | 3.00 | 3.00 | 2.00 | 1.33 | 3.33 | 3.33 | 3.00 | 2.00 | 2.25 | 2.50 | 2.00 | 6.33 | 6.00 | 3.00 | 1.00 | 2.00 | 2.50 | 1.50 | 2.50 | 2.25 | 3.00 | 2.00 | 2.00 | 2.50 | 3.50 | 5.00 | 2.69 | 25.35 |
| o | 4.00 | 6.00 | 5.00 | 4.25 | 3.75 | 4.75 | 5.67 | 6.67 | 5.67 | 7.00 | 7.50 | 12.50 | 12.00 | 12.75 | 13.25 | 8.33 | 6.50 | 5.25 | 6.67 | 5.00 | 5.75 | 7.25 | 8.00 | 6.50 | 4.67 | 5.33 | 6.75 | 6.75 | 4.50 | 3.50 | 6.72 | 63.38 |
| i | 0.00 | 0.67 | 1.00 | 2.00 | 1.75 | 2.25 | 1.67 | 1.67 | 3.00 | 2.00 | 3.00 | 0.50 | 0.00 | 0.75 | 0.50 | 1.00 | 2.00 | 1.75 | 1.00 | 1.25 | 1.00 | 1.00 | 0.50 | 1.25 | 1.33 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 1.14 | 10.80 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.47 |
| CV | 74.25 | 125.33 | 124.75 | 158.50 | 160.25 | 171.25 | 187.00 | 197.33 | 205.67 | 195.33 | 223.50 | 208.25 | 238.75 | 267.75 | 288.75 | 254.67 | 264.00 | 206.75 | 141.33 | 155.25 | 206.50 | 208.50 | 200.00 | 199.75 | 179.00 | 125.00 | 149.50 | 104.50 | 86.50 | 71.75 | 179.32 | 100 |
| CVn | 38.75 | 55.67 | 72.75 | 82.75 | 102.75 | 128.50 | 147.33 | 138.67 | 149.67 | 129.00 | 136.50 | 132.25 | 186.00 | 206.25 | 241.50 | 219.00 | 222.50 | 172.75 | 114.33 | 106.75 | 136.00 | 141.00 | 149.75 | 145.50 | 137.00 | 83.00 | 84.50 | 53.25 | 35.50 | 34.00 | 126.11 | 70.32 |
| CVs | 35.50 | 69.67 | 52.00 | 75.75 | 57.50 | 42.75 | 39.67 | 58.67 | 56.00 | 66.33 | 87.00 | 76.00 | 52.75 | 61.50 | 47.25 | 35.67 | 41.50 | 34.00 | 27.00 | 48.50 | 70.50 | 67.50 | 50.25 | 54.25 | 42.00 | 42.00 | 65.00 | 51.25 | 51.00 | 37.75 | 53.22 | 29.68 |
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