Statistics of sunspot activity
June, 2000
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 | 111.75 | 99.20 | 103.50 | 120.50 | 113.50 | 112.75 | 144.25 | 174.00 | 184.00 | 172.00 | 209.75 | 215.33 | 223.00 | 260.50 | 243.33 | 216.00 | 193.00 | 203.75 | 193.00 | 216.00 | 203.50 | 172.25 | 176.00 | 171.00 | 165.50 | 181.50 | 191.75 | 153.25 | 153.75 | 159.25 | 174.56 | 100 |
| Wn | 46.75 | 46.00 | 57.75 | 69.75 | 59.25 | 60.00 | 82.50 | 107.25 | 125.00 | 110.00 | 159.25 | 177.00 | 181.75 | 195.50 | 182.00 | 158.67 | 136.00 | 146.00 | 135.00 | 152.67 | 143.75 | 105.75 | 97.75 | 97.00 | 81.25 | 92.75 | 95.50 | 80.50 | 85.50 | 92.00 | 111.99 | 64.16 |
| Ws | 65.00 | 53.20 | 45.75 | 50.75 | 54.25 | 52.75 | 61.75 | 66.75 | 59.00 | 62.00 | 50.50 | 38.33 | 41.25 | 65.00 | 61.33 | 57.33 | 57.00 | 57.75 | 58.00 | 63.33 | 59.75 | 66.50 | 78.25 | 74.00 | 84.25 | 88.75 | 96.25 | 72.75 | 68.25 | 67.25 | 62.57 | 35.84 |
| n | 7.25 | 6.20 | 5.50 | 6.50 | 6.50 | 6.50 | 8.00 | 8.00 | 8.67 | 9.00 | 11.50 | 10.33 | 11.75 | 13.75 | 12.33 | 11.33 | 12.00 | 10.00 | 10.25 | 11.00 | 10.75 | 9.75 | 10.50 | 10.75 | 10.50 | 12.00 | 12.00 | 9.25 | 9.50 | 10.25 | 9.72 | 100 |
| A | 1.25 | 0.80 | 0.50 | 1.00 | 0.00 | 0.00 | 1.00 | 0.25 | 0.67 | 1.00 | 1.50 | 1.00 | 0.00 | 0.00 | 1.00 | 1.33 | 1.67 | 1.00 | 1.75 | 0.67 | 1.75 | 0.25 | 0.00 | 0.75 | 0.00 | 0.50 | 0.75 | 0.25 | 0.00 | 0.25 | 0.70 | 7.16 |
| B | 2.25 | 1.60 | 1.75 | 0.75 | 1.00 | 0.00 | 0.25 | 0.75 | 1.00 | 0.00 | 0.75 | 0.67 | 1.75 | 2.00 | 0.67 | 1.00 | 0.33 | 1.00 | 0.75 | 0.33 | 0.25 | 1.00 | 1.50 | 0.00 | 0.75 | 1.00 | 0.75 | 0.75 | 0.00 | 0.00 | 0.82 | 8.44 |
| C | 1.00 | 0.80 | 0.50 | 2.00 | 2.00 | 1.75 | 1.00 | 1.75 | 0.67 | 2.00 | 2.75 | 1.00 | 1.00 | 2.25 | 3.00 | 4.00 | 3.67 | 2.00 | 3.00 | 2.67 | 1.50 | 2.00 | 1.25 | 1.50 | 1.50 | 1.75 | 2.25 | 1.00 | 2.25 | 1.25 | 1.84 | 18.88 |
| D | 0.75 | 0.80 | 1.00 | 1.50 | 1.25 | 0.75 | 2.75 | 1.50 | 2.33 | 3.00 | 3.00 | 3.67 | 4.25 | 4.00 | 4.67 | 3.00 | 2.00 | 2.50 | 2.25 | 4.33 | 2.25 | 1.25 | 1.75 | 2.75 | 3.00 | 2.75 | 2.50 | 1.00 | 1.25 | 1.25 | 2.30 | 23.68 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.50 | 0.75 | 0.00 | 0.00 | 0.50 | 0.75 | 0.00 | 0.00 | 0.25 | 2.54 |
| F | 0.25 | 0.00 | 0.25 | 0.75 | 0.25 | 0.50 | 1.00 | 1.25 | 1.33 | 1.00 | 0.50 | 1.00 | 1.00 | 0.75 | 1.00 | 0.00 | 0.67 | 1.00 | 1.00 | 0.33 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | 4.92 |
| G | 1.00 | 2.00 | 1.50 | 0.25 | 0.25 | 1.25 | 1.00 | 0.25 | 0.33 | 0.50 | 1.25 | 1.00 | 0.25 | 1.00 | 0.00 | 0.00 | 1.00 | 0.25 | 0.00 | 0.67 | 1.00 | 1.25 | 2.00 | 1.25 | 0.75 | 1.00 | 1.25 | 1.50 | 1.75 | 2.00 | 0.92 | 9.43 |
| H | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 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 | 0.25 | 0.50 | 0.50 | 1.25 | 0.50 | 1.00 | 1.00 | 0.50 | 0.25 | 0.25 | 0.23 | 2.31 |
| I | 0.75 | 0.20 | 0.00 | 0.00 | 0.75 | 1.75 | 1.00 | 1.75 | 2.00 | 1.50 | 1.75 | 2.00 | 3.00 | 3.25 | 1.33 | 1.33 | 2.67 | 2.25 | 1.50 | 2.00 | 3.25 | 2.75 | 3.00 | 2.50 | 4.00 | 4.00 | 3.00 | 3.50 | 4.00 | 5.25 | 2.20 | 22.64 |
| x | 3.50 | 2.40 | 2.25 | 1.75 | 1.00 | 0.00 | 1.25 | 1.00 | 1.67 | 1.00 | 2.25 | 1.67 | 1.75 | 2.00 | 1.67 | 2.33 | 2.00 | 2.00 | 2.50 | 1.00 | 2.00 | 1.25 | 1.50 | 0.75 | 0.75 | 1.50 | 1.50 | 1.00 | 0.00 | 0.25 | 1.52 | 15.60 |
| r | 1.00 | 1.20 | 0.25 | 1.00 | 0.25 | 0.00 | 0.00 | 1.50 | 0.67 | 0.00 | 1.25 | 0.33 | 0.75 | 1.50 | 1.33 | 1.33 | 3.00 | 1.75 | 1.25 | 1.00 | 0.75 | 0.50 | 0.25 | 0.25 | 0.00 | 0.75 | 1.25 | 0.25 | 0.25 | 0.00 | 0.79 | 8.10 |
| s | 1.00 | 0.40 | 1.00 | 1.25 | 2.50 | 3.75 | 2.75 | 1.75 | 2.67 | 4.50 | 4.50 | 3.33 | 3.25 | 4.00 | 2.33 | 1.67 | 3.33 | 2.25 | 3.00 | 6.00 | 4.50 | 3.75 | 4.50 | 6.25 | 6.00 | 5.00 | 3.75 | 4.25 | 4.25 | 5.25 | 3.42 | 35.23 |
| a | 0.25 | 0.20 | 0.00 | 0.50 | 1.00 | 1.50 | 2.25 | 2.50 | 2.33 | 2.50 | 2.50 | 3.67 | 5.00 | 4.75 | 4.67 | 3.33 | 1.67 | 2.75 | 1.75 | 1.33 | 2.25 | 3.00 | 3.25 | 2.25 | 3.00 | 3.75 | 2.50 | 1.50 | 3.00 | 3.25 | 2.41 | 24.76 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.00 | 0.00 | 0.00 | 0.67 | 0.25 | 0.50 | 0.75 | 1.25 | 0.50 | 0.75 | 1.25 | 1.25 | 1.00 | 0.75 | 0.36 | 3.74 |
| k | 1.50 | 2.00 | 2.00 | 2.00 | 1.25 | 1.00 | 1.75 | 1.00 | 1.33 | 1.00 | 1.00 | 1.33 | 1.00 | 1.50 | 2.00 | 2.00 | 2.00 | 1.25 | 1.75 | 1.00 | 1.00 | 0.75 | 0.25 | 0.00 | 0.25 | 0.25 | 1.75 | 1.00 | 1.00 | 0.75 | 1.22 | 12.57 |
| x | 2.00 | 1.00 | 0.50 | 1.25 | 1.25 | 1.75 | 2.00 | 2.00 | 2.67 | 2.50 | 3.25 | 3.00 | 3.00 | 3.25 | 2.33 | 2.67 | 4.33 | 3.25 | 3.25 | 2.67 | 5.25 | 3.50 | 3.50 | 4.50 | 4.50 | 5.50 | 4.75 | 4.25 | 4.25 | 5.75 | 3.12 | 32.12 |
| o | 5.00 | 5.20 | 4.75 | 4.50 | 4.50 | 3.75 | 5.00 | 4.25 | 4.33 | 5.50 | 7.75 | 6.33 | 7.00 | 9.00 | 8.00 | 6.33 | 6.67 | 5.00 | 5.00 | 7.00 | 5.00 | 5.50 | 5.75 | 5.25 | 6.00 | 6.00 | 6.50 | 3.50 | 5.00 | 4.25 | 5.59 | 57.48 |
| i | 0.25 | 0.00 | 0.25 | 0.50 | 0.00 | 0.50 | 0.50 | 1.25 | 0.67 | 0.00 | 0.25 | 0.67 | 1.00 | 1.00 | 1.67 | 2.00 | 1.00 | 1.00 | 1.50 | 1.33 | 0.50 | 0.75 | 1.25 | 1.00 | 0.00 | 0.50 | 0.75 | 1.50 | 0.25 | 0.25 | 0.74 | 7.57 |
| c | 0.00 | 0.00 | 0.00 | 0.25 | 0.75 | 0.50 | 0.50 | 0.50 | 1.00 | 1.00 | 0.25 | 0.33 | 0.75 | 0.50 | 0.33 | 0.33 | 0.00 | 0.75 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 2.83 |
| CV | 97.00 | 113.60 | 118.00 | 131.00 | 138.50 | 140.00 | 171.50 | 139.25 | 161.67 | 171.00 | 172.50 | 183.33 | 194.25 | 222.50 | 228.67 | 194.33 | 174.67 | 151.75 | 161.50 | 211.00 | 161.25 | 151.75 | 174.00 | 203.25 | 161.25 | 173.50 | 227.50 | 185.00 | 177.00 | 174.25 | 168.83 | 100 |
| CVn | 38.25 | 53.80 | 50.00 | 55.25 | 66.75 | 92.25 | 111.50 | 93.50 | 114.67 | 109.50 | 137.75 | 144.33 | 162.00 | 183.25 | 181.00 | 133.67 | 137.33 | 117.00 | 127.00 | 154.33 | 101.25 | 97.50 | 95.25 | 116.00 | 77.75 | 76.75 | 94.75 | 86.75 | 97.00 | 107.50 | 107.12 | 63.45 |
| CVs | 58.75 | 59.80 | 68.00 | 75.75 | 71.75 | 47.75 | 60.00 | 45.75 | 47.00 | 61.50 | 34.75 | 39.00 | 32.25 | 39.25 | 47.67 | 60.67 | 37.33 | 34.75 | 34.50 | 56.67 | 60.00 | 54.25 | 78.75 | 87.25 | 83.50 | 96.75 | 132.75 | 98.25 | 80.00 | 66.75 | 61.70 | 36.55 |
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