Statistics of sunspot activity
March, 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 | 72.50 | 79.75 | 122.00 | 159.50 | 140.33 | 131.33 | 148.25 | 153.75 | 192.67 | 171.67 | 124.50 | 102.33 | 73.00 | 106.75 | 116.00 | 111.33 | 75.50 | 56.00 | 56.00 | 46.00 | 37.75 | 30.25 | 39.75 | 63.00 | 83.67 | 91.67 | 152.33 | 189.00 | 160.00 | 175.33 | 152.67 | 110.15 | 100 |
| Wn | 20.25 | 23.75 | 49.67 | 83.25 | 86.33 | 76.00 | 91.50 | 86.00 | 93.67 | 77.67 | 70.00 | 63.00 | 53.33 | 63.75 | 59.00 | 55.33 | 27.25 | 14.00 | 16.00 | 13.25 | 15.50 | 12.00 | 11.25 | 46.50 | 62.67 | 62.67 | 103.00 | 122.00 | 79.50 | 83.00 | 59.33 | 57.43 | 52.14 |
| Ws | 52.25 | 56.00 | 72.33 | 76.25 | 54.00 | 55.33 | 56.75 | 67.75 | 99.00 | 94.00 | 54.50 | 39.33 | 19.67 | 43.00 | 57.00 | 56.00 | 48.25 | 42.00 | 40.00 | 32.75 | 22.25 | 18.25 | 28.50 | 16.50 | 21.00 | 29.00 | 49.33 | 67.00 | 80.50 | 92.33 | 93.33 | 52.72 | 47.86 |
| n | 5.00 | 5.75 | 7.67 | 10.00 | 8.33 | 8.00 | 8.75 | 9.00 | 11.33 | 10.67 | 8.00 | 6.67 | 4.33 | 5.75 | 5.75 | 5.33 | 3.75 | 3.00 | 3.25 | 3.00 | 3.00 | 2.50 | 2.75 | 4.00 | 5.67 | 5.00 | 6.67 | 8.00 | 8.00 | 8.00 | 8.00 | 6.29 | 100 |
| A | 0.25 | 0.00 | 2.33 | 1.75 | 1.00 | 2.00 | 0.50 | 0.50 | 0.67 | 1.00 | 0.50 | 1.00 | 0.33 | 0.75 | 0.75 | 0.33 | 0.25 | 0.25 | 0.25 | 0.00 | 0.50 | 0.50 | 0.25 | 0.00 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.54 | 8.55 |
| B | 1.00 | 0.00 | 0.67 | 1.00 | 1.33 | 0.67 | 1.00 | 2.25 | 1.67 | 1.33 | 0.50 | 0.33 | 0.33 | 0.25 | 0.25 | 0.67 | 0.75 | 0.00 | 0.00 | 0.00 | 0.75 | 1.00 | 0.25 | 0.00 | 0.33 | 0.00 | 0.67 | 0.00 | 1.00 | 0.00 | 0.33 | 0.59 | 9.41 |
| C | 0.50 | 0.75 | 1.33 | 3.25 | 1.33 | 2.00 | 2.00 | 1.25 | 3.00 | 2.67 | 2.00 | 0.67 | 1.33 | 1.00 | 2.00 | 0.67 | 0.00 | 0.25 | 1.25 | 0.75 | 0.50 | 0.50 | 1.50 | 1.00 | 1.33 | 0.00 | 1.33 | 1.00 | 1.00 | 1.33 | 2.00 | 1.27 | 20.27 |
| D | 1.75 | 3.00 | 3.00 | 3.50 | 4.00 | 3.00 | 4.25 | 3.25 | 4.33 | 3.00 | 3.00 | 2.67 | 1.33 | 3.25 | 1.75 | 2.33 | 1.00 | 1.25 | 0.50 | 0.25 | 0.00 | 0.00 | 0.75 | 2.50 | 2.67 | 3.67 | 2.67 | 3.00 | 3.50 | 3.00 | 3.00 | 2.42 | 38.56 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.50 | 1.00 | 0.75 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 2.00 | 0.00 | 0.67 | 1.33 | 0.29 | 4.57 |
| F | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| G | 0.50 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.50 | 0.00 | 0.25 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.50 | 1.67 | 0.33 | 0.22 | 3.51 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.25 | 0.33 | 0.67 | 0.50 | 1.00 | 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 | 0.67 | 1.00 | 0.50 | 0.33 | 0.00 | 0.24 | 3.85 |
| I | 1.00 | 1.25 | 0.33 | 0.50 | 0.33 | 0.33 | 0.00 | 0.50 | 0.67 | 2.00 | 1.50 | 1.00 | 1.00 | 0.50 | 0.00 | 0.33 | 0.75 | 0.25 | 0.25 | 1.00 | 1.00 | 0.50 | 0.00 | 0.50 | 1.00 | 1.00 | 0.33 | 1.00 | 1.50 | 1.00 | 0.67 | 0.71 | 11.29 |
| x | 1.25 | 0.00 | 3.00 | 2.75 | 2.33 | 2.67 | 1.50 | 2.75 | 2.33 | 2.33 | 1.00 | 1.33 | 0.67 | 1.00 | 1.00 | 1.00 | 1.00 | 0.25 | 0.25 | 0.00 | 1.25 | 1.50 | 0.50 | 0.00 | 0.67 | 0.00 | 1.00 | 0.00 | 1.00 | 0.00 | 0.67 | 1.13 | 17.96 |
| r | 0.25 | 0.75 | 0.00 | 1.00 | 1.33 | 0.33 | 1.25 | 0.75 | 1.33 | 0.33 | 0.50 | 0.33 | 0.67 | 0.75 | 0.25 | 0.00 | 0.00 | 0.50 | 0.00 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.67 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 6.37 |
| s | 2.25 | 3.25 | 1.67 | 3.50 | 2.00 | 2.00 | 2.25 | 2.00 | 3.00 | 2.33 | 2.00 | 1.67 | 1.00 | 0.75 | 1.25 | 0.67 | 0.75 | 0.25 | 1.25 | 1.00 | 1.00 | 0.75 | 0.75 | 1.50 | 3.00 | 2.00 | 1.33 | 4.00 | 2.50 | 2.00 | 3.00 | 1.83 | 29.07 |
| a | 0.25 | 0.75 | 2.00 | 1.75 | 1.67 | 2.00 | 1.75 | 1.50 | 2.67 | 3.67 | 2.50 | 1.33 | 1.00 | 2.25 | 2.00 | 2.00 | 0.00 | 0.00 | 0.25 | 1.25 | 0.75 | 0.25 | 1.25 | 2.50 | 1.00 | 2.67 | 2.33 | 2.00 | 3.00 | 3.33 | 3.00 | 1.70 | 27.02 |
| h | 0.25 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.75 | 1.00 | 1.33 | 1.00 | 0.67 | 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 | 0.50 | 0.67 | 0.67 | 0.32 | 5.13 |
| k | 0.75 | 0.25 | 1.00 | 1.00 | 1.00 | 1.00 | 1.25 | 1.25 | 1.00 | 0.67 | 1.00 | 1.33 | 1.00 | 1.00 | 1.25 | 1.67 | 2.00 | 2.00 | 1.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 1.00 | 1.00 | 2.00 | 0.67 | 0.91 | 14.45 |
| x | 1.25 | 1.25 | 2.67 | 2.25 | 1.33 | 2.33 | 1.50 | 2.25 | 1.67 | 3.67 | 2.50 | 3.00 | 1.33 | 1.25 | 1.00 | 0.67 | 1.00 | 0.50 | 0.50 | 1.00 | 1.50 | 1.00 | 0.25 | 0.50 | 1.33 | 1.00 | 1.33 | 2.00 | 2.00 | 1.33 | 1.00 | 1.49 | 23.69 |
| o | 3.25 | 4.00 | 4.33 | 6.75 | 6.00 | 5.00 | 6.75 | 6.50 | 8.67 | 7.00 | 5.00 | 3.00 | 2.67 | 4.00 | 4.00 | 3.67 | 2.00 | 1.50 | 2.00 | 1.50 | 1.50 | 1.50 | 2.25 | 3.50 | 3.33 | 2.67 | 3.33 | 4.00 | 4.00 | 4.00 | 5.33 | 3.97 | 63.10 |
| i | 0.50 | 0.50 | 0.67 | 1.00 | 1.00 | 0.67 | 0.50 | 0.25 | 1.00 | 0.00 | 0.50 | 0.67 | 0.33 | 0.50 | 0.75 | 1.00 | 0.25 | 0.75 | 0.50 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 1.00 | 1.33 | 1.67 | 1.00 | 2.00 | 2.00 | 1.33 | 0.72 | 11.50 |
| 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 | 0.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 0.00 | 0.67 | 0.33 | 0.11 | 1.71 |
| CV | 93.00 | 129.75 | 106.67 | 137.25 | 133.33 | 112.67 | 171.50 | 153.50 | 192.67 | 170.67 | 157.50 | 136.67 | 75.00 | 102.25 | 107.00 | 120.67 | 103.00 | 101.00 | 87.25 | 47.50 | 21.00 | 12.25 | 29.50 | 68.00 | 91.33 | 105.33 | 133.33 | 209.00 | 159.00 | 219.67 | 168.00 | 117.91 | 100 |
| CVn | 53.25 | 61.75 | 58.33 | 75.75 | 84.67 | 70.00 | 122.50 | 109.25 | 132.33 | 114.00 | 107.50 | 101.33 | 54.00 | 65.50 | 69.00 | 75.00 | 47.25 | 43.00 | 36.25 | 10.50 | 2.00 | 1.75 | 9.75 | 54.50 | 67.67 | 70.67 | 95.00 | 130.00 | 101.50 | 129.00 | 82.67 | 72.12 | 61.16 |
| CVs | 39.75 | 68.00 | 48.33 | 61.50 | 48.67 | 42.67 | 49.00 | 44.25 | 60.33 | 56.67 | 50.00 | 35.33 | 21.00 | 36.75 | 38.00 | 45.67 | 55.75 | 58.00 | 51.00 | 37.00 | 19.00 | 10.50 | 19.75 | 13.50 | 23.67 | 34.67 | 38.33 | 79.00 | 57.50 | 90.67 | 85.33 | 45.79 | 38.84 |
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