Statistics of sunspot activity
May, 2002
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 | 31 | Average | % |
| W | 164.33 | 170.67 | 222.33 | 273.00 | 290.33 | 230.00 | 200.00 | 194.50 | 219.00 | 209.00 | 187.67 | 194.75 | 143.00 | 122.50 | 124.00 | 105.50 | 120.67 | 134.67 | 137.25 | 164.75 | 194.75 | 216.50 | 223.33 | 226.50 | 213.75 | 196.50 | 219.75 | 209.00 | 188.75 | 177.33 | 164.00 | 188.33 | 100 |
| Wn | 121.00 | 101.67 | 120.33 | 127.33 | 115.00 | 95.67 | 85.33 | 72.50 | 69.33 | 42.00 | 30.33 | 32.75 | 27.25 | 17.00 | 31.67 | 34.00 | 50.00 | 67.00 | 72.50 | 93.25 | 117.50 | 123.00 | 140.67 | 154.50 | 151.75 | 150.75 | 160.00 | 149.33 | 109.75 | 87.67 | 62.33 | 90.75 | 48.19 |
| Ws | 43.33 | 69.00 | 102.00 | 145.67 | 175.33 | 134.33 | 114.67 | 122.00 | 149.67 | 167.00 | 157.33 | 162.00 | 115.75 | 105.50 | 92.33 | 71.50 | 70.67 | 67.67 | 64.75 | 71.50 | 77.25 | 93.50 | 82.67 | 72.00 | 62.00 | 45.75 | 59.75 | 59.67 | 79.00 | 89.67 | 101.67 | 97.58 | 51.81 |
| n | 11.00 | 11.00 | 13.33 | 15.00 | 15.33 | 15.00 | 14.67 | 13.50 | 13.00 | 11.25 | 10.67 | 10.00 | 9.25 | 8.25 | 8.33 | 8.00 | 7.33 | 8.67 | 7.75 | 9.75 | 9.75 | 11.25 | 10.67 | 11.00 | 10.75 | 9.50 | 11.50 | 12.67 | 11.50 | 10.33 | 10.33 | 10.98 | 100 |
| A | 1.00 | 0.67 | 0.00 | 0.33 | 0.33 | 1.00 | 0.33 | 1.50 | 1.67 | 0.75 | 1.67 | 0.75 | 1.00 | 1.50 | 0.67 | 1.00 | 0.33 | 0.67 | 0.00 | 0.75 | 0.25 | 0.50 | 1.00 | 0.00 | 1.00 | 0.50 | 0.75 | 0.33 | 1.25 | 0.33 | 0.00 | 0.70 | 6.42 |
| B | 0.67 | 0.00 | 0.33 | 0.33 | 0.67 | 0.67 | 0.33 | 1.00 | 1.00 | 1.50 | 1.00 | 0.25 | 1.75 | 1.25 | 0.33 | 0.50 | 0.33 | 0.33 | 0.00 | 0.25 | 0.75 | 0.75 | 0.67 | 1.00 | 0.25 | 0.00 | 0.75 | 0.67 | 0.75 | 2.67 | 1.00 | 0.70 | 6.39 |
| C | 3.33 | 1.00 | 3.33 | 2.33 | 3.33 | 4.00 | 3.00 | 1.50 | 2.67 | 1.75 | 0.00 | 2.25 | 1.75 | 0.25 | 1.33 | 2.00 | 2.00 | 1.00 | 1.75 | 0.25 | 0.75 | 3.75 | 3.33 | 4.00 | 1.50 | 1.25 | 2.75 | 3.33 | 0.75 | 1.67 | 3.67 | 2.12 | 19.27 |
| D | 3.00 | 5.67 | 6.33 | 5.67 | 4.00 | 3.33 | 1.67 | 4.00 | 3.00 | 2.00 | 3.67 | 3.25 | 2.25 | 2.75 | 2.00 | 0.50 | 2.00 | 2.33 | 1.75 | 1.75 | 1.25 | 1.75 | 2.33 | 1.50 | 1.75 | 2.00 | 2.75 | 3.67 | 3.75 | 2.67 | 2.00 | 2.78 | 25.37 |
| E | 0.00 | 0.33 | 0.67 | 1.00 | 1.00 | 0.67 | 1.00 | 1.00 | 0.67 | 1.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.50 | 1.50 | 1.75 | 1.50 | 1.67 | 2.00 | 2.00 | 2.25 | 1.50 | 1.00 | 1.00 | 1.00 | 1.00 | 0.89 | 8.08 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.50 | 0.00 | 0.25 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 1.08 |
| G | 0.00 | 0.67 | 0.33 | 0.67 | 0.33 | 0.67 | 1.33 | 0.00 | 0.33 | 0.00 | 2.00 | 1.25 | 1.50 | 0.75 | 1.00 | 1.50 | 0.33 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.75 | 0.50 | 1.00 | 0.50 | 0.00 | 0.00 | 0.57 | 5.19 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 0.33 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 1.00 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.27 | 2.45 |
| I | 3.00 | 2.67 | 2.33 | 4.67 | 5.33 | 4.67 | 6.33 | 3.50 | 3.33 | 3.50 | 1.67 | 1.25 | 0.50 | 1.75 | 3.00 | 2.50 | 1.67 | 2.33 | 2.00 | 3.75 | 3.25 | 1.75 | 1.33 | 2.00 | 3.50 | 2.75 | 2.50 | 2.67 | 3.50 | 2.00 | 2.67 | 2.83 | 25.76 |
| x | 1.67 | 0.67 | 0.33 | 0.67 | 1.00 | 1.67 | 0.67 | 2.50 | 2.67 | 2.25 | 2.67 | 1.00 | 2.75 | 2.75 | 1.00 | 1.50 | 0.67 | 1.00 | 0.00 | 1.00 | 1.00 | 1.25 | 1.67 | 1.00 | 1.25 | 0.50 | 1.50 | 1.00 | 2.00 | 3.00 | 1.00 | 1.41 | 12.81 |
| r | 0.00 | 0.67 | 1.00 | 0.67 | 0.33 | 0.33 | 1.33 | 1.00 | 0.00 | 0.75 | 0.00 | 0.25 | 0.25 | 0.00 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.67 | 0.25 | 0.33 | 0.67 | 0.37 | 3.35 |
| s | 3.67 | 4.00 | 6.67 | 7.67 | 5.67 | 6.00 | 8.33 | 3.00 | 5.33 | 4.00 | 3.33 | 2.50 | 2.75 | 3.75 | 4.00 | 2.50 | 2.67 | 3.67 | 3.00 | 3.25 | 3.00 | 3.25 | 5.33 | 5.50 | 4.75 | 4.00 | 4.75 | 4.67 | 4.50 | 4.33 | 5.33 | 4.36 | 39.72 |
| a | 5.67 | 5.67 | 4.67 | 5.00 | 7.33 | 5.67 | 2.67 | 5.00 | 3.00 | 1.50 | 1.67 | 3.75 | 1.50 | 0.75 | 1.67 | 2.00 | 1.33 | 2.00 | 2.75 | 3.00 | 2.75 | 4.00 | 3.00 | 3.00 | 3.25 | 4.25 | 4.75 | 5.00 | 3.00 | 1.00 | 2.00 | 3.31 | 30.14 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.33 | 1.50 | 1.67 | 0.00 | 0.25 | 0.25 | 0.00 | 0.50 | 0.67 | 0.67 | 0.25 | 0.25 | 0.75 | 1.25 | 0.00 | 0.00 | 0.25 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 2.86 |
| k | 0.00 | 0.00 | 0.67 | 1.00 | 1.00 | 1.00 | 1.33 | 2.00 | 1.67 | 1.25 | 1.33 | 2.50 | 1.75 | 0.75 | 1.33 | 1.00 | 1.67 | 1.33 | 1.75 | 1.75 | 2.00 | 1.25 | 0.67 | 1.50 | 0.50 | 0.50 | 0.25 | 1.33 | 1.75 | 1.67 | 1.33 | 1.22 | 11.12 |
| x | 4.00 | 3.33 | 2.33 | 5.00 | 5.67 | 5.67 | 7.33 | 6.00 | 5.33 | 5.00 | 3.67 | 2.00 | 1.50 | 3.25 | 3.67 | 3.50 | 2.00 | 4.00 | 2.75 | 5.50 | 5.00 | 3.25 | 2.33 | 2.00 | 4.50 | 3.25 | 3.25 | 3.00 | 4.75 | 2.33 | 2.67 | 3.80 | 34.62 |
| o | 7.00 | 7.00 | 9.67 | 8.33 | 7.33 | 8.00 | 6.33 | 6.50 | 6.33 | 5.00 | 6.00 | 5.50 | 7.00 | 4.50 | 4.33 | 4.50 | 4.67 | 3.67 | 4.00 | 2.75 | 2.75 | 6.00 | 6.33 | 6.50 | 4.00 | 3.75 | 6.25 | 7.67 | 5.00 | 6.67 | 6.33 | 5.80 | 52.79 |
| i | 0.00 | 0.67 | 1.00 | 1.67 | 2.00 | 1.00 | 0.67 | 1.00 | 1.00 | 0.75 | 0.67 | 2.50 | 0.75 | 0.50 | 0.33 | 0.00 | 0.00 | 0.67 | 0.50 | 0.50 | 1.00 | 1.25 | 1.00 | 1.00 | 2.00 | 2.00 | 2.00 | 1.67 | 1.25 | 0.67 | 1.00 | 1.00 | 9.11 |
| c | 0.00 | 0.00 | 0.33 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.50 | 1.00 | 1.00 | 0.75 | 1.00 | 1.50 | 0.25 | 0.50 | 0.00 | 0.33 | 0.50 | 0.67 | 0.33 | 0.38 | 3.48 |
| CV | 120.00 | 171.00 | 234.00 | 251.33 | 227.33 | 218.00 | 229.33 | 209.00 | 210.67 | 208.25 | 240.00 | 214.25 | 169.75 | 129.75 | 135.00 | 122.00 | 169.33 | 172.33 | 168.25 | 187.75 | 209.25 | 218.00 | 174.00 | 201.50 | 170.50 | 173.50 | 171.00 | 213.67 | 202.00 | 173.67 | 165.00 | 189.01 | 100 |
| CVn | 89.33 | 94.00 | 111.00 | 110.67 | 83.33 | 70.00 | 65.33 | 52.00 | 46.00 | 26.00 | 34.67 | 24.25 | 10.25 | 10.50 | 25.67 | 36.50 | 65.33 | 75.67 | 76.50 | 94.00 | 113.50 | 107.00 | 99.00 | 139.00 | 128.50 | 143.50 | 139.75 | 133.67 | 107.25 | 80.33 | 64.67 | 79.26 | 41.94 |
| CVs | 30.67 | 77.00 | 123.00 | 140.67 | 144.00 | 148.00 | 164.00 | 157.00 | 164.67 | 182.25 | 205.33 | 190.00 | 159.50 | 119.25 | 109.33 | 85.50 | 104.00 | 96.67 | 91.75 | 93.75 | 95.75 | 111.00 | 75.00 | 62.50 | 42.00 | 30.00 | 31.25 | 80.00 | 94.75 | 93.33 | 100.33 | 109.75 | 58.06 |
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