Statistics of sunspot activity
March, 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 | 127.67 | 137.00 | 187.50 | 164.00 | 156.50 | 158.67 | 145.50 | 116.67 | 104.25 | 113.00 | 145.00 | 138.25 | 138.25 | 140.50 | 126.25 | 145.25 | 129.75 | 155.25 | 116.50 | 138.33 | 129.33 | 140.67 | 167.00 | 158.00 | 166.33 | 142.33 | 180.67 | 143.33 | 185.33 | 160.67 | 133.00 | 144.86 | 100 |
| Wn | 63.67 | 65.75 | 94.50 | 52.67 | 43.00 | 69.33 | 61.00 | 31.33 | 26.00 | 26.00 | 51.67 | 54.00 | 39.00 | 36.50 | 29.75 | 31.50 | 18.00 | 17.25 | 16.25 | 41.67 | 38.67 | 57.67 | 81.67 | 76.25 | 81.00 | 77.33 | 105.67 | 72.00 | 118.67 | 106.33 | 80.00 | 56.91 | 39.28 |
| Ws | 64.00 | 71.25 | 93.00 | 111.33 | 113.50 | 89.33 | 84.50 | 85.33 | 78.25 | 87.00 | 93.33 | 84.25 | 99.25 | 104.00 | 96.50 | 113.75 | 111.75 | 138.00 | 100.25 | 96.67 | 90.67 | 83.00 | 85.33 | 81.75 | 85.33 | 65.00 | 75.00 | 71.33 | 66.67 | 54.33 | 53.00 | 87.96 | 60.72 |
| n | 7.00 | 7.75 | 11.00 | 10.00 | 9.25 | 9.67 | 8.50 | 7.33 | 7.00 | 7.33 | 9.67 | 8.75 | 7.75 | 7.75 | 7.75 | 7.50 | 6.50 | 8.25 | 6.75 | 9.00 | 9.00 | 8.67 | 9.00 | 8.25 | 8.00 | 7.00 | 9.33 | 8.00 | 9.00 | 8.33 | 8.00 | 8.29 | 100 |
| A | 1.00 | 1.75 | 1.50 | 1.33 | 1.50 | 2.00 | 1.00 | 0.67 | 0.75 | 1.00 | 2.33 | 2.50 | 1.00 | 1.00 | 0.50 | 0.50 | 0.50 | 1.75 | 0.25 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.33 | 1.00 | 0.83 | 10.05 |
| B | 0.33 | 0.75 | 1.00 | 0.33 | 0.75 | 0.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.25 | 0.00 | 0.50 | 0.00 | 0.25 | 0.00 | 0.67 | 0.67 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.33 | 3.95 |
| C | 1.33 | 0.00 | 4.50 | 3.00 | 1.25 | 1.00 | 1.50 | 2.00 | 2.50 | 3.00 | 2.00 | 1.00 | 1.25 | 1.50 | 2.75 | 2.00 | 0.75 | 1.00 | 2.00 | 3.00 | 3.67 | 1.00 | 1.33 | 2.00 | 1.67 | 0.33 | 1.67 | 0.67 | 2.00 | 1.67 | 0.50 | 1.74 | 20.94 |
| D | 3.00 | 3.25 | 1.50 | 2.67 | 3.00 | 2.67 | 2.50 | 2.00 | 2.00 | 1.33 | 2.00 | 1.75 | 1.00 | 0.50 | 1.25 | 1.75 | 2.25 | 1.75 | 1.50 | 2.33 | 1.33 | 2.67 | 3.33 | 3.00 | 3.33 | 3.67 | 4.67 | 2.00 | 3.00 | 5.00 | 3.50 | 2.44 | 29.37 |
| E | 1.00 | 0.50 | 0.00 | 0.00 | 0.50 | 0.67 | 1.50 | 0.33 | 0.00 | 0.67 | 0.67 | 0.75 | 0.75 | 1.00 | 1.00 | 0.75 | 1.25 | 1.00 | 1.00 | 0.33 | 0.00 | 0.67 | 0.67 | 1.50 | 1.67 | 1.33 | 1.33 | 0.67 | 1.00 | 1.00 | 1.00 | 0.79 | 9.53 |
| F | 0.00 | 0.25 | 1.00 | 0.67 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.25 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.21 | 2.53 |
| G | 0.33 | 0.50 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 1.00 | 1.25 | 1.75 | 1.00 | 1.00 | 0.75 | 1.00 | 0.75 | 1.33 | 1.33 | 1.00 | 1.67 | 0.25 | 0.33 | 0.33 | 0.33 | 1.67 | 0.67 | 0.00 | 0.50 | 0.66 | 7.97 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.50 | 0.00 | 0.25 | 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 | 0.05 | 0.55 |
| I | 0.00 | 0.75 | 1.50 | 1.67 | 1.25 | 1.00 | 1.00 | 2.33 | 0.75 | 1.00 | 1.67 | 1.50 | 2.25 | 1.75 | 1.25 | 0.75 | 1.00 | 1.50 | 1.25 | 1.33 | 1.67 | 1.67 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 2.67 | 1.67 | 0.33 | 0.00 | 1.25 | 15.11 |
| x | 1.33 | 2.50 | 2.50 | 1.67 | 2.25 | 2.33 | 1.50 | 0.67 | 0.75 | 1.00 | 3.00 | 2.50 | 1.00 | 1.25 | 0.50 | 1.00 | 0.50 | 2.00 | 0.25 | 0.67 | 1.00 | 1.33 | 0.67 | 0.50 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 0.33 | 2.00 | 1.16 | 14.00 |
| r | 0.00 | 0.50 | 0.00 | 0.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.25 | 1.33 | 0.67 | 0.25 | 0.50 | 0.50 | 0.50 | 0.75 | 0.00 | 0.00 | 0.25 | 0.00 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 1.00 | 0.67 | 0.00 | 0.32 | 3.89 |
| s | 2.00 | 2.00 | 3.00 | 3.33 | 3.25 | 4.33 | 4.00 | 4.67 | 3.75 | 2.67 | 3.67 | 4.50 | 3.50 | 2.00 | 4.00 | 4.00 | 3.25 | 3.00 | 3.00 | 3.67 | 3.00 | 3.33 | 5.33 | 3.50 | 3.33 | 4.00 | 3.00 | 5.00 | 4.33 | 1.33 | 2.00 | 3.41 | 41.13 |
| a | 3.33 | 2.00 | 5.50 | 4.33 | 2.75 | 2.33 | 2.50 | 2.00 | 1.25 | 1.33 | 1.33 | 0.50 | 1.75 | 3.00 | 1.75 | 0.75 | 2.75 | 3.00 | 3.25 | 4.67 | 4.00 | 4.00 | 2.67 | 4.25 | 4.67 | 2.67 | 5.67 | 2.33 | 3.00 | 5.00 | 3.00 | 2.95 | 35.53 |
| h | 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 | 0.00 | 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 | 0.01 | 0.10 |
| k | 0.33 | 0.75 | 0.00 | 0.33 | 0.50 | 0.67 | 0.50 | 0.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 0.44 | 5.35 |
| x | 1.00 | 2.50 | 3.00 | 3.00 | 2.75 | 3.67 | 2.50 | 3.00 | 1.75 | 2.00 | 4.00 | 4.00 | 3.25 | 2.75 | 1.75 | 1.25 | 1.50 | 3.25 | 1.50 | 1.33 | 2.00 | 2.00 | 1.00 | 1.00 | 1.00 | 1.33 | 1.33 | 3.00 | 2.00 | 0.67 | 1.00 | 2.13 | 25.71 |
| o | 4.33 | 4.00 | 7.00 | 6.00 | 4.50 | 4.67 | 4.50 | 3.67 | 5.25 | 4.33 | 4.67 | 3.75 | 3.50 | 4.00 | 5.00 | 5.25 | 3.25 | 3.50 | 4.00 | 7.00 | 7.00 | 5.00 | 6.67 | 5.50 | 5.00 | 4.33 | 5.67 | 4.33 | 5.33 | 6.33 | 5.50 | 4.93 | 59.45 |
| i | 1.67 | 1.25 | 0.50 | 1.00 | 2.00 | 1.33 | 1.50 | 0.67 | 0.00 | 1.00 | 0.67 | 0.75 | 1.00 | 0.75 | 0.75 | 0.75 | 1.50 | 1.25 | 1.00 | 0.67 | 0.00 | 1.67 | 1.33 | 1.75 | 1.67 | 1.33 | 2.33 | 0.67 | 1.67 | 1.33 | 1.50 | 1.14 | 13.71 |
| c | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 1.13 |
| CV | 121.00 | 127.00 | 117.50 | 132.33 | 143.50 | 159.00 | 138.00 | 98.67 | 120.75 | 111.67 | 131.67 | 144.00 | 128.50 | 124.75 | 139.25 | 141.25 | 121.00 | 118.75 | 105.00 | 128.33 | 111.67 | 134.00 | 166.33 | 137.00 | 145.67 | 139.00 | 159.67 | 131.00 | 155.33 | 165.00 | 153.00 | 133.86 | 100 |
| CVn | 56.33 | 63.50 | 64.50 | 38.33 | 34.25 | 60.00 | 54.00 | 25.00 | 17.00 | 12.00 | 30.00 | 53.00 | 22.75 | 21.75 | 24.25 | 25.50 | 12.50 | 10.50 | 12.00 | 30.67 | 17.00 | 46.67 | 81.67 | 69.00 | 66.00 | 75.00 | 93.33 | 74.67 | 106.67 | 113.67 | 104.50 | 48.90 | 36.53 |
| CVs | 64.67 | 63.50 | 53.00 | 94.00 | 109.25 | 99.00 | 84.00 | 73.67 | 103.75 | 99.67 | 101.67 | 91.00 | 105.75 | 103.00 | 115.00 | 115.75 | 108.50 | 108.25 | 93.00 | 97.67 | 94.67 | 87.33 | 84.67 | 68.00 | 79.67 | 64.00 | 66.33 | 56.33 | 48.67 | 51.33 | 48.50 | 84.95 | 63.47 |
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