Statistics of sunspot activity
May, 2003
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 | 162.33 | 148.33 | 136.33 | 165.67 | 143.67 | 117.00 | 92.00 | 27.50 | 23.00 | 22.00 | 62.67 | 56.50 | 58.33 | 64.33 | 81.67 | 93.00 | 105.00 | 73.00 | 68.00 | 91.00 | 87.00 | 117.00 | 86.67 | 57.00 | 47.33 | 63.50 | 100.00 | 92.33 | 108.00 | 61.67 | 67.67 | 86.44 | 100 |
| Wn | 46.67 | 42.00 | 35.00 | 46.67 | 45.33 | 44.00 | 29.33 | 16.50 | 23.00 | 22.00 | 34.33 | 29.00 | 33.00 | 34.33 | 49.00 | 52.50 | 51.00 | 19.00 | 6.00 | 4.67 | 4.00 | 18.50 | 36.00 | 11.00 | 0.00 | 12.00 | 3.67 | 12.00 | 16.33 | 11.33 | 20.00 | 26.07 | 30.16 |
| Ws | 115.67 | 106.33 | 101.33 | 119.00 | 98.33 | 73.00 | 62.67 | 11.00 | 0.00 | 0.00 | 28.33 | 27.50 | 25.33 | 30.00 | 32.67 | 40.50 | 54.00 | 54.00 | 62.00 | 86.33 | 83.00 | 98.50 | 50.67 | 46.00 | 47.33 | 51.50 | 96.33 | 80.33 | 91.67 | 50.33 | 47.67 | 60.37 | 69.84 |
| n | 8.00 | 6.33 | 6.33 | 7.67 | 7.00 | 6.67 | 5.67 | 2.50 | 2.00 | 2.00 | 5.33 | 4.50 | 4.00 | 4.33 | 5.67 | 5.50 | 7.00 | 4.50 | 3.50 | 5.00 | 4.67 | 7.50 | 7.00 | 4.67 | 3.00 | 4.00 | 5.00 | 4.67 | 6.00 | 3.00 | 4.00 | 5.06 | 100 |
| A | 0.67 | 0.33 | 0.67 | 0.67 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 1.67 | 1.00 | 0.33 | 1.00 | 0.33 | 0.50 | 2.00 | 1.50 | 0.00 | 0.33 | 0.67 | 2.00 | 1.00 | 1.33 | 0.00 | 0.00 | 0.67 | 0.33 | 2.00 | 0.00 | 0.67 | 0.65 | 12.74 |
| B | 1.00 | 0.67 | 0.67 | 0.00 | 0.33 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 1.00 | 0.50 | 0.50 | 0.67 | 0.00 | 0.50 | 0.67 | 0.33 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.67 | 0.33 | 6.48 |
| C | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.00 | 2.00 | 1.33 | 1.33 | 1.00 | 1.00 | 1.00 | 2.00 | 1.33 | 0.67 | 1.50 | 1.00 | 1.00 | 0.67 | 1.50 | 1.00 | 1.33 | 1.67 | 0.33 | 1.00 | 0.86 | 16.99 |
| D | 3.00 | 2.33 | 1.33 | 1.33 | 0.67 | 0.00 | 0.33 | 0.00 | 1.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.67 | 2.33 | 2.50 | 2.00 | 1.50 | 1.00 | 2.67 | 3.33 | 2.50 | 1.00 | 0.00 | 1.00 | 1.00 | 1.33 | 1.33 | 1.33 | 2.00 | 1.00 | 1.32 | 26.11 |
| E | 1.00 | 1.00 | 0.67 | 0.67 | 0.33 | 0.33 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 2.55 |
| F | 0.00 | 0.00 | 0.33 | 1.00 | 1.67 | 1.67 | 1.00 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 3.61 |
| G | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.00 | 0.00 | 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 | 0.09 | 1.70 |
| H | 0.33 | 0.00 | 0.33 | 0.67 | 0.33 | 0.33 | 0.33 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 1.49 |
| I | 2.00 | 2.00 | 1.67 | 2.67 | 3.33 | 4.33 | 2.00 | 2.50 | 1.00 | 2.00 | 1.33 | 1.50 | 0.33 | 0.00 | 1.33 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 3.33 | 2.00 | 1.33 | 1.50 | 1.67 | 1.33 | 1.00 | 0.67 | 0.67 | 1.44 | 28.34 |
| x | 1.67 | 1.00 | 1.33 | 0.67 | 0.33 | 0.00 | 1.33 | 0.00 | 0.00 | 0.00 | 2.00 | 1.00 | 0.33 | 1.33 | 0.67 | 0.50 | 3.00 | 2.00 | 0.50 | 1.00 | 0.67 | 2.50 | 1.67 | 1.67 | 0.00 | 0.00 | 1.00 | 0.67 | 2.00 | 0.00 | 1.33 | 0.97 | 19.21 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 1.00 | 0.33 | 0.67 | 0.50 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.67 | 0.00 | 0.50 | 0.67 | 0.33 | 0.33 | 0.00 | 0.33 | 0.31 | 6.16 |
| s | 2.33 | 2.33 | 2.00 | 2.00 | 3.00 | 3.33 | 2.00 | 2.50 | 2.00 | 2.00 | 2.00 | 3.50 | 2.00 | 1.00 | 2.00 | 1.50 | 0.00 | 1.50 | 2.00 | 3.33 | 1.00 | 3.00 | 2.67 | 2.00 | 1.00 | 1.00 | 1.00 | 2.00 | 1.33 | 1.00 | 0.67 | 1.90 | 37.58 |
| a | 2.67 | 1.67 | 1.33 | 3.00 | 1.67 | 0.67 | 0.67 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.67 | 1.67 | 2.33 | 3.00 | 2.00 | 1.00 | 1.00 | 0.67 | 3.00 | 2.00 | 2.00 | 0.33 | 2.00 | 2.50 | 1.67 | 0.67 | 1.33 | 1.00 | 0.67 | 1.36 | 26.86 |
| h | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.00 | 0.33 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.85 |
| k | 1.33 | 1.33 | 1.67 | 1.33 | 1.33 | 2.00 | 1.00 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 1.00 | 1.00 | 1.00 | 0.47 | 9.34 |
| x | 3.00 | 2.33 | 2.67 | 4.00 | 3.67 | 4.67 | 2.67 | 2.50 | 1.00 | 2.00 | 3.00 | 2.50 | 0.67 | 1.00 | 1.67 | 1.50 | 3.00 | 1.50 | 0.00 | 0.33 | 0.67 | 3.00 | 4.33 | 3.33 | 1.33 | 1.50 | 2.33 | 1.67 | 3.00 | 0.67 | 1.33 | 2.16 | 42.57 |
| o | 3.67 | 2.67 | 2.67 | 2.00 | 1.33 | 0.00 | 1.67 | 0.00 | 1.00 | 0.00 | 2.33 | 2.00 | 3.33 | 3.33 | 4.00 | 4.00 | 4.00 | 2.50 | 3.50 | 4.67 | 3.67 | 4.00 | 2.67 | 1.33 | 1.00 | 1.50 | 1.67 | 2.00 | 2.00 | 1.33 | 1.67 | 2.31 | 45.54 |
| i | 0.67 | 0.67 | 0.33 | 0.67 | 1.00 | 1.00 | 1.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.00 | 0.67 | 1.00 | 0.33 | 0.67 | 0.67 | 0.33 | 0.67 | 0.37 | 7.22 |
| c | 0.67 | 0.67 | 0.67 | 1.00 | 1.00 | 1.00 | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.33 | 0.67 | 0.33 | 0.24 | 4.67 |
| CV | 149.00 | 130.00 | 129.00 | 167.00 | 149.33 | 147.33 | 104.67 | 25.00 | 35.00 | 20.00 | 32.67 | 52.50 | 51.33 | 47.00 | 72.33 | 74.50 | 51.00 | 48.00 | 42.00 | 80.00 | 75.33 | 84.50 | 58.67 | 28.00 | 38.00 | 46.00 | 72.33 | 81.33 | 80.67 | 81.33 | 64.67 | 74.79 | 100 |
| CVn | 47.33 | 48.00 | 43.00 | 58.33 | 45.33 | 44.00 | 31.67 | 15.00 | 35.00 | 20.00 | 19.67 | 21.00 | 20.67 | 27.00 | 40.00 | 41.50 | 8.00 | 7.00 | 1.00 | 0.67 | 0.33 | 1.50 | 13.33 | 1.00 | 0.00 | 6.00 | 2.33 | 9.00 | 11.00 | 10.33 | 10.00 | 20.61 | 27.56 |
| CVs | 101.67 | 82.00 | 86.00 | 108.67 | 104.00 | 103.33 | 73.00 | 10.00 | 0.00 | 0.00 | 13.00 | 31.50 | 30.67 | 20.00 | 32.33 | 33.00 | 43.00 | 41.00 | 41.00 | 79.33 | 75.00 | 83.00 | 45.33 | 27.00 | 38.00 | 40.00 | 70.00 | 72.33 | 69.67 | 71.00 | 54.67 | 54.18 | 72.44 |
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