Statistics of sunspot activity
March, 2004
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 | 57.25 | 44.50 | 37.67 | 35.00 | 45.00 | 61.00 | 62.25 | 51.25 | 52.67 | 52.50 | 67.00 | 67.33 | 57.75 | 56.50 | 43.50 | 48.50 | 72.75 | 75.00 | 83.60 | 80.00 | 64.50 | 84.33 | 90.25 | 83.75 | 114.80 | 127.33 | 112.00 | 112.50 | 153.00 | 83.00 | 83.75 | 72.91 | 100 |
| Wn | 18.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 16.00 | 19.75 | 20.75 | 14.75 | 12.00 | 8.25 | 9.00 | 22.40 | 33.25 | 29.50 | 41.33 | 38.25 | 36.75 | 45.80 | 56.33 | 56.50 | 52.00 | 74.00 | 45.50 | 32.75 | 22.05 | 30.25 |
| Ws | 38.50 | 44.50 | 37.67 | 35.00 | 45.00 | 61.00 | 62.25 | 51.25 | 52.67 | 52.50 | 67.00 | 51.33 | 38.00 | 35.75 | 28.75 | 36.50 | 64.50 | 66.00 | 61.20 | 46.75 | 35.00 | 43.00 | 52.00 | 47.00 | 69.00 | 71.00 | 55.50 | 60.50 | 79.00 | 37.50 | 51.00 | 50.86 | 69.75 |
| n | 3.00 | 2.00 | 1.67 | 1.00 | 2.00 | 3.00 | 4.00 | 3.00 | 3.00 | 3.25 | 3.00 | 3.67 | 3.00 | 3.00 | 3.00 | 3.75 | 5.25 | 5.00 | 5.00 | 4.00 | 3.00 | 4.00 | 3.50 | 3.50 | 6.80 | 8.33 | 7.50 | 7.00 | 6.67 | 3.25 | 4.00 | 3.94 | 100 |
| A | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.25 | 0.67 | 0.50 | 1.00 | 0.67 | 0.25 | 0.00 | 0.00 | 0.25 | 0.75 | 0.60 | 0.80 | 0.25 | 0.00 | 0.67 | 0.25 | 0.25 | 0.80 | 1.33 | 0.50 | 0.00 | 2.33 | 0.25 | 0.00 | 0.42 | 10.74 |
| B | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.50 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.40 | 1.67 | 1.50 | 0.50 | 1.33 | 0.00 | 0.75 | 0.34 | 8.52 |
| C | 0.75 | 0.50 | 0.00 | 0.00 | 0.75 | 0.67 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.50 | 0.25 | 0.75 | 0.75 | 0.50 | 0.60 | 0.40 | 0.25 | 0.00 | 0.33 | 0.25 | 0.75 | 1.20 | 2.67 | 1.50 | 1.00 | 0.67 | 0.75 | 1.25 | 0.60 | 15.11 |
| D | 1.50 | 0.50 | 0.00 | 0.33 | 0.50 | 0.67 | 1.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 1.00 | 1.25 | 0.75 | 1.00 | 1.50 | 1.80 | 2.00 | 1.25 | 0.00 | 0.33 | 0.50 | 0.25 | 0.60 | 1.00 | 1.50 | 3.50 | 1.00 | 0.50 | 0.25 | 0.81 | 20.46 |
| E | 0.00 | 0.50 | 0.67 | 0.00 | 0.25 | 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 | 0.60 | 0.50 | 1.00 | 0.33 | 0.75 | 1.00 | 0.60 | 0.00 | 0.25 | 0.00 | 0.33 | 0.25 | 0.25 | 0.26 | 6.51 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.33 | 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 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 1.30 |
| G | 0.50 | 0.00 | 0.33 | 0.67 | 0.50 | 0.67 | 0.75 | 0.75 | 0.67 | 0.50 | 1.00 | 1.00 | 1.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 1.00 | 0.50 | 0.75 | 1.00 | 1.00 | 0.75 | 0.00 | 0.00 | 0.50 | 0.50 | 0.53 | 13.58 |
| H | 0.00 | 0.00 | 0.33 | 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 | 0.00 | 0.25 | 1.00 | 0.33 | 0.00 | 0.00 | 0.07 | 1.84 |
| I | 0.25 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 1.25 | 0.67 | 1.50 | 0.00 | 1.00 | 0.25 | 1.00 | 1.00 | 1.50 | 2.00 | 2.00 | 1.20 | 1.00 | 1.00 | 1.33 | 0.75 | 0.25 | 2.20 | 0.67 | 1.25 | 1.00 | 0.67 | 1.00 | 1.00 | 0.87 | 21.96 |
| x | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.75 | 1.33 | 1.00 | 2.00 | 1.00 | 0.25 | 0.00 | 0.00 | 0.50 | 1.25 | 0.60 | 0.80 | 0.50 | 0.00 | 0.67 | 0.50 | 0.25 | 1.20 | 3.00 | 2.00 | 0.50 | 3.67 | 0.25 | 0.75 | 0.76 | 19.25 |
| r | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.50 | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.40 | 0.20 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.20 | 0.33 | 0.50 | 0.00 | 0.00 | 0.25 | 0.25 | 0.15 | 3.79 |
| s | 1.25 | 0.75 | 0.67 | 0.00 | 1.00 | 0.33 | 0.75 | 1.00 | 0.67 | 1.00 | 0.00 | 0.67 | 0.75 | 1.00 | 1.75 | 2.25 | 2.00 | 1.60 | 2.20 | 3.00 | 2.00 | 1.00 | 1.75 | 1.00 | 3.00 | 2.00 | 2.25 | 2.00 | 0.67 | 1.25 | 1.25 | 1.32 | 33.41 |
| a | 1.50 | 1.25 | 0.67 | 1.00 | 0.75 | 1.67 | 1.25 | 0.00 | 0.00 | 0.75 | 0.00 | 0.67 | 1.50 | 1.25 | 1.00 | 0.75 | 1.25 | 2.40 | 1.80 | 0.50 | 1.00 | 2.00 | 1.25 | 2.25 | 2.20 | 2.67 | 1.75 | 2.50 | 1.33 | 1.00 | 1.25 | 1.26 | 32.06 |
| h | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.50 | 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 | 0.25 | 1.00 | 0.33 | 0.00 | 0.00 | 0.15 | 3.75 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.75 | 0.50 | 0.33 | 0.50 | 1.00 | 0.67 | 0.00 | 0.25 | 0.25 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.33 | 0.75 | 1.00 | 0.67 | 0.50 | 0.50 | 0.30 | 7.74 |
| x | 0.25 | 0.50 | 0.67 | 0.00 | 0.00 | 0.33 | 1.00 | 1.50 | 1.33 | 2.00 | 1.00 | 1.67 | 0.50 | 1.00 | 1.00 | 1.75 | 2.75 | 2.60 | 2.00 | 1.25 | 1.00 | 2.00 | 1.00 | 0.50 | 3.00 | 2.00 | 2.00 | 2.00 | 3.33 | 1.25 | 1.00 | 1.36 | 34.54 |
| o | 1.75 | 0.75 | 0.33 | 0.67 | 1.25 | 2.00 | 2.75 | 1.25 | 1.33 | 1.25 | 2.00 | 2.00 | 2.50 | 1.75 | 1.75 | 2.00 | 2.00 | 1.80 | 1.60 | 1.50 | 1.00 | 1.00 | 1.00 | 1.75 | 2.60 | 5.67 | 4.25 | 3.50 | 2.00 | 1.25 | 2.00 | 1.88 | 47.69 |
| i | 1.00 | 0.75 | 0.67 | 0.33 | 0.50 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.50 | 0.40 | 1.00 | 0.75 | 1.00 | 1.00 | 0.75 | 0.25 | 0.60 | 0.67 | 1.25 | 1.00 | 1.33 | 0.75 | 1.00 | 0.54 | 13.65 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.40 | 0.50 | 0.00 | 0.00 | 0.75 | 1.00 | 0.60 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.16 | 4.12 |
| CV | 62.25 | 32.50 | 40.67 | 20.67 | 38.25 | 81.33 | 76.00 | 63.25 | 58.67 | 43.00 | 48.00 | 50.67 | 65.50 | 70.25 | 51.75 | 52.75 | 62.50 | 61.40 | 78.00 | 75.25 | 59.00 | 50.00 | 65.00 | 70.25 | 93.00 | 85.00 | 110.25 | 167.50 | 76.33 | 54.75 | 55.50 | 65.14 | 100 |
| CVn | 29.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 17.75 | 19.25 | 10.00 | 9.50 | 3.75 | 6.20 | 22.20 | 35.00 | 27.25 | 23.33 | 28.75 | 31.25 | 45.60 | 50.33 | 62.00 | 70.50 | 37.33 | 27.00 | 27.50 | 19.02 | 29.21 |
| CVs | 33.00 | 32.50 | 40.67 | 20.67 | 38.25 | 81.33 | 76.00 | 63.25 | 58.67 | 43.00 | 48.00 | 44.67 | 47.75 | 51.00 | 41.75 | 43.25 | 58.75 | 55.20 | 55.80 | 40.25 | 31.75 | 26.67 | 36.25 | 39.00 | 47.40 | 34.67 | 48.25 | 97.00 | 39.00 | 27.75 | 28.00 | 46.11 | 70.79 |
|
