Statistics of sunspot activity
March, 2005
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 | 11.00 | 11.25 | 16.33 | 12.00 | 15.67 | 20.25 | 24.40 | 44.00 | 57.50 | 72.20 | 68.33 | 65.33 | 92.67 | 51.67 | 57.20 | 51.25 | 37.50 | 34.20 | 35.00 | 34.33 | 37.00 | 41.60 | 45.80 | 63.50 | 55.50 | 44.67 | 34.50 | 14.33 | 13.25 | 11.00 | 16.75 | 38.39 | 100 |
| Wn | 0.00 | 0.00 | 0.00 | 12.00 | 15.67 | 17.25 | 14.60 | 12.00 | 24.75 | 29.80 | 25.67 | 18.33 | 17.67 | 13.67 | 15.00 | 3.00 | 0.00 | 0.00 | 2.75 | 0.00 | 4.60 | 24.00 | 26.20 | 34.25 | 30.50 | 21.67 | 16.50 | 10.00 | 13.25 | 11.00 | 11.00 | 13.71 | 35.72 |
| Ws | 11.00 | 11.25 | 16.33 | 0.00 | 0.00 | 3.00 | 9.80 | 32.00 | 32.75 | 42.40 | 42.67 | 47.00 | 75.00 | 38.00 | 42.20 | 48.25 | 37.50 | 34.20 | 32.25 | 34.33 | 32.40 | 17.60 | 19.60 | 29.25 | 25.00 | 23.00 | 18.00 | 4.33 | 0.00 | 0.00 | 5.75 | 24.67 | 64.28 |
| n | 1.00 | 1.00 | 1.33 | 1.00 | 1.00 | 1.25 | 1.80 | 2.67 | 2.75 | 3.60 | 3.67 | 3.33 | 4.00 | 3.00 | 3.40 | 2.50 | 2.25 | 2.00 | 2.00 | 2.00 | 2.40 | 2.60 | 2.20 | 3.50 | 3.00 | 2.33 | 2.00 | 1.00 | 1.00 | 1.00 | 1.50 | 2.20 | 100 |
| A | 1.00 | 0.50 | 0.33 | 0.00 | 0.00 | 0.25 | 0.00 | 0.67 | 0.00 | 0.60 | 0.67 | 0.33 | 0.00 | 0.00 | 0.20 | 0.00 | 0.25 | 0.00 | 0.25 | 0.00 | 0.20 | 0.20 | 0.00 | 0.50 | 1.00 | 0.33 | 0.00 | 0.00 | 0.25 | 1.00 | 0.75 | 0.30 | 13.64 |
| B | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.25 | 0.00 | 0.00 | 0.13 | 5.88 |
| C | 0.00 | 0.25 | 0.00 | 0.33 | 0.33 | 0.25 | 0.40 | 0.67 | 0.25 | 1.00 | 0.67 | 0.67 | 0.67 | 1.00 | 0.60 | 1.25 | 0.75 | 0.20 | 0.00 | 0.00 | 0.80 | 1.20 | 1.60 | 0.50 | 0.00 | 0.00 | 1.00 | 0.67 | 0.50 | 0.00 | 0.00 | 0.50 | 22.84 |
| D | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.20 | 1.00 | 0.75 | 0.20 | 0.33 | 1.00 | 0.33 | 0.33 | 0.40 | 0.25 | 1.00 | 1.00 | 1.00 | 2.00 | 1.00 | 0.40 | 0.60 | 1.75 | 2.00 | 1.67 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.58 | 26.39 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.60 | 1.00 | 0.00 | 1.00 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 5.92 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.20 | 0.00 | 0.33 | 0.33 | 0.67 | 0.80 | 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 | 0.11 | 5.02 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.60 | 0.67 | 1.00 | 1.00 | 0.67 | 0.80 | 0.00 | 0.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 8.86 |
| I | 0.00 | 0.25 | 0.33 | 0.67 | 0.67 | 0.50 | 1.00 | 0.00 | 0.00 | 0.40 | 0.33 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.25 | 0.20 | 0.50 | 0.00 | 0.20 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.75 | 0.25 | 11.46 |
| x | 1.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.25 | 0.20 | 0.67 | 0.50 | 0.60 | 0.67 | 0.33 | 0.00 | 0.00 | 0.60 | 0.50 | 0.25 | 0.00 | 0.50 | 0.00 | 0.40 | 0.40 | 0.00 | 0.50 | 1.00 | 0.67 | 0.50 | 0.00 | 0.50 | 1.00 | 0.75 | 0.43 | 19.51 |
| r | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.20 | 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 | 0.20 | 0.20 | 0.20 | 0.50 | 0.00 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.25 | 0.09 | 3.99 |
| s | 0.00 | 0.50 | 0.00 | 0.33 | 0.00 | 0.00 | 0.20 | 0.67 | 0.75 | 0.20 | 0.67 | 1.33 | 0.67 | 0.33 | 0.60 | 0.00 | 0.00 | 0.00 | 0.25 | 0.67 | 0.60 | 1.00 | 0.60 | 1.00 | 0.00 | 0.00 | 0.50 | 0.33 | 0.25 | 0.00 | 0.50 | 0.39 | 17.55 |
| a | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 1.00 | 1.20 | 1.33 | 1.00 | 2.20 | 1.67 | 0.67 | 2.00 | 1.33 | 0.60 | 0.75 | 0.75 | 0.60 | 0.25 | 1.00 | 1.00 | 0.80 | 1.40 | 1.50 | 2.00 | 1.67 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.89 | 40.71 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.33 | 0.67 | 0.67 | 0.67 | 0.40 | 0.50 | 0.50 | 1.00 | 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 | 0.17 | 7.91 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.20 | 0.33 | 0.33 | 0.67 | 0.67 | 1.20 | 0.75 | 0.75 | 0.40 | 0.50 | 0.33 | 0.20 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 10.33 |
| x | 1.00 | 0.75 | 0.67 | 0.67 | 0.67 | 0.75 | 1.00 | 0.67 | 0.50 | 1.60 | 1.67 | 1.33 | 1.67 | 0.67 | 1.00 | 0.00 | 0.50 | 0.80 | 0.75 | 0.00 | 0.40 | 0.40 | 0.00 | 1.25 | 1.00 | 0.33 | 0.00 | 0.33 | 0.25 | 1.00 | 1.50 | 0.75 | 33.95 |
| o | 0.00 | 0.25 | 0.67 | 0.33 | 0.33 | 0.50 | 0.60 | 2.00 | 0.75 | 0.60 | 0.33 | 1.33 | 1.33 | 2.00 | 2.00 | 2.25 | 1.50 | 0.60 | 0.75 | 1.67 | 1.40 | 1.40 | 1.40 | 1.75 | 1.50 | 1.67 | 1.50 | 0.67 | 0.75 | 0.00 | 0.00 | 1.03 | 46.76 |
| i | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 1.25 | 1.40 | 1.67 | 0.33 | 1.00 | 0.33 | 0.40 | 0.25 | 0.25 | 0.60 | 0.50 | 0.33 | 0.60 | 0.80 | 0.80 | 0.50 | 0.50 | 0.33 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 18.43 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.86 |
| CV | 1.00 | 5.75 | 3.00 | 8.33 | 7.33 | 10.50 | 14.60 | 35.67 | 61.00 | 58.20 | 66.67 | 81.33 | 98.00 | 81.00 | 88.80 | 65.00 | 64.50 | 70.20 | 44.25 | 51.00 | 36.60 | 39.00 | 27.20 | 48.25 | 40.50 | 33.67 | 22.00 | 7.67 | 4.75 | 1.00 | 6.75 | 38.18 | 100 |
| CVn | 0.00 | 0.00 | 0.00 | 8.33 | 7.33 | 10.25 | 9.40 | 9.00 | 14.75 | 9.20 | 14.67 | 16.00 | 14.67 | 12.67 | 14.60 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.60 | 14.20 | 16.20 | 19.75 | 21.00 | 19.33 | 8.00 | 6.33 | 4.75 | 1.00 | 3.25 | 8.26 | 21.63 |
| CVs | 1.00 | 5.75 | 3.00 | 0.00 | 0.00 | 0.25 | 5.20 | 26.67 | 46.25 | 49.00 | 52.00 | 65.33 | 83.33 | 68.33 | 74.20 | 64.50 | 64.50 | 70.20 | 44.00 | 51.00 | 36.00 | 24.80 | 11.00 | 28.50 | 19.50 | 14.33 | 14.00 | 1.33 | 0.00 | 0.00 | 3.50 | 29.92 | 78.37 |
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