Statistics of sunspot activity
April, 2014
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 | Average | % |
| W | 91.67 | 161.67 | 128.25 | 180.00 | 147.50 | 90.67 | 110.67 | 107.67 | 107.25 | 70.75 | 66.67 | 75.00 | 71.75 | 108.00 | 163.25 | 220.00 | 250.67 | 194.00 | 197.75 | 174.75 | 162.50 | 125.50 | 85.33 | 72.00 | 61.67 | 45.00 | 78.33 | 83.33 | 70.00 | 79.00 | 119.35 | 100 |
| Wn | 29.67 | 66.67 | 65.00 | 96.33 | 65.75 | 49.67 | 73.00 | 66.67 | 73.50 | 52.75 | 54.67 | 57.50 | 40.75 | 44.50 | 68.75 | 84.75 | 104.33 | 87.00 | 71.75 | 50.00 | 40.75 | 26.75 | 11.33 | 11.00 | 7.67 | 22.00 | 35.00 | 35.33 | 23.50 | 23.33 | 51.32 | 43.00 |
| Ws | 62.00 | 95.00 | 63.25 | 83.67 | 81.75 | 41.00 | 37.67 | 41.00 | 33.75 | 18.00 | 12.00 | 17.50 | 31.00 | 63.50 | 94.50 | 135.25 | 146.33 | 107.00 | 126.00 | 124.75 | 121.75 | 98.75 | 74.00 | 61.00 | 54.00 | 23.00 | 43.33 | 48.00 | 46.50 | 55.67 | 68.03 | 57.00 |
| n | 5.67 | 9.67 | 7.75 | 9.33 | 7.00 | 5.67 | 8.00 | 7.33 | 8.00 | 5.75 | 5.00 | 5.00 | 5.00 | 6.25 | 9.25 | 11.25 | 12.00 | 9.50 | 11.25 | 9.75 | 8.75 | 7.25 | 5.00 | 5.00 | 4.33 | 4.00 | 6.00 | 5.67 | 5.00 | 5.00 | 7.15 | 100 |
| A | 0.67 | 2.00 | 0.50 | 2.33 | 1.25 | 0.00 | 1.33 | 1.00 | 1.75 | 2.00 | 0.33 | 0.00 | 0.50 | 0.00 | 2.00 | 0.75 | 1.00 | 0.25 | 1.00 | 0.50 | 1.25 | 0.50 | 0.00 | 0.00 | 0.33 | 1.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.76 | 10.69 |
| B | 0.00 | 0.67 | 1.00 | 2.00 | 0.75 | 0.00 | 0.00 | 0.67 | 2.00 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.50 | 2.50 | 2.33 | 1.25 | 1.25 | 0.75 | 0.50 | 0.50 | 1.00 | 0.50 | 1.00 | 1.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.70 | 9.79 |
| C | 1.33 | 1.67 | 2.00 | 1.00 | 1.50 | 1.33 | 2.00 | 1.67 | 1.25 | 0.25 | 0.67 | 1.00 | 0.75 | 0.50 | 1.75 | 2.00 | 0.67 | 1.00 | 1.00 | 1.25 | 1.25 | 2.00 | 1.67 | 2.50 | 2.00 | 0.00 | 1.33 | 1.00 | 0.50 | 1.33 | 1.27 | 17.80 |
| D | 1.00 | 2.33 | 1.50 | 2.67 | 1.25 | 1.67 | 2.00 | 1.67 | 0.75 | 0.75 | 2.00 | 1.50 | 0.75 | 1.50 | 2.00 | 3.00 | 5.00 | 3.50 | 3.50 | 2.75 | 2.50 | 2.00 | 1.33 | 0.50 | 0.33 | 0.00 | 2.00 | 2.67 | 2.50 | 2.33 | 1.91 | 26.70 |
| E | 0.33 | 0.33 | 0.75 | 1.00 | 1.00 | 0.33 | 0.00 | 0.33 | 0.25 | 0.25 | 0.00 | 0.00 | 0.25 | 1.75 | 1.25 | 0.75 | 0.33 | 1.00 | 1.50 | 0.75 | 0.50 | 0.50 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.45 | 6.30 |
| F | 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 | 0.50 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 1.20 |
| G | 0.33 | 0.00 | 0.25 | 0.00 | 0.75 | 0.67 | 0.33 | 0.67 | 0.00 | 0.25 | 0.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 1.50 | 1.50 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.32 | 4.43 |
| H | 0.33 | 0.33 | 0.00 | 0.00 | 0.25 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 2.49 |
| I | 1.67 | 2.00 | 1.75 | 0.33 | 0.25 | 1.33 | 2.00 | 1.33 | 2.00 | 2.00 | 2.00 | 2.00 | 1.50 | 1.50 | 1.25 | 1.75 | 2.00 | 2.00 | 2.50 | 2.00 | 1.00 | 1.00 | 0.33 | 1.00 | 0.67 | 0.00 | 2.00 | 1.67 | 2.00 | 1.33 | 1.47 | 20.60 |
| x | 0.67 | 2.67 | 1.50 | 4.33 | 2.00 | 0.00 | 1.33 | 1.67 | 3.75 | 2.25 | 0.33 | 0.00 | 0.75 | 0.00 | 2.50 | 3.25 | 3.33 | 1.50 | 2.25 | 1.25 | 1.75 | 1.00 | 1.00 | 0.50 | 1.33 | 2.00 | 0.67 | 0.33 | 0.00 | 0.00 | 1.46 | 20.48 |
| r | 0.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.67 | 0.33 | 0.50 | 0.50 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 1.33 | 0.00 | 0.50 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.18 | 2.57 |
| s | 2.33 | 1.33 | 1.75 | 1.00 | 1.50 | 3.33 | 2.00 | 1.33 | 2.25 | 1.00 | 4.00 | 3.00 | 2.00 | 1.75 | 3.75 | 2.75 | 5.33 | 3.75 | 3.75 | 3.00 | 3.75 | 4.00 | 2.00 | 0.00 | 2.00 | 0.00 | 3.00 | 2.67 | 2.50 | 3.33 | 2.47 | 34.59 |
| a | 2.00 | 3.33 | 3.75 | 2.67 | 1.75 | 2.00 | 3.33 | 3.33 | 1.50 | 2.00 | 0.67 | 2.00 | 1.50 | 2.75 | 2.50 | 4.00 | 1.67 | 3.25 | 3.25 | 4.25 | 2.25 | 2.00 | 1.67 | 3.50 | 1.00 | 0.00 | 1.67 | 2.00 | 2.00 | 1.00 | 2.29 | 31.99 |
| h | 0.33 | 0.33 | 0.00 | 0.67 | 0.25 | 0.33 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.25 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 1.83 |
| k | 0.33 | 1.67 | 0.50 | 0.67 | 1.50 | 0.00 | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.50 | 0.50 | 1.25 | 0.33 | 1.00 | 1.50 | 1.00 | 0.25 | 0.00 | 0.00 | 1.00 | 0.00 | 2.00 | 0.33 | 0.67 | 0.50 | 0.67 | 0.61 | 8.55 |
| x | 2.67 | 4.33 | 2.25 | 2.67 | 1.75 | 1.67 | 3.67 | 2.33 | 3.75 | 4.00 | 2.33 | 2.00 | 2.00 | 2.50 | 3.25 | 2.50 | 3.00 | 2.25 | 3.50 | 2.75 | 2.25 | 1.50 | 0.33 | 1.50 | 1.00 | 3.00 | 2.33 | 2.00 | 2.00 | 1.33 | 2.41 | 33.77 |
| o | 1.33 | 3.33 | 4.50 | 4.00 | 3.00 | 3.33 | 4.00 | 4.33 | 3.75 | 1.50 | 2.67 | 2.50 | 2.75 | 1.50 | 2.75 | 5.00 | 5.33 | 4.50 | 5.50 | 5.00 | 4.75 | 4.00 | 3.33 | 3.50 | 3.33 | 1.00 | 2.67 | 3.00 | 2.25 | 2.67 | 3.37 | 47.14 |
| i | 1.67 | 0.67 | 0.50 | 2.00 | 1.50 | 0.67 | 0.33 | 0.33 | 0.50 | 0.00 | 0.00 | 0.50 | 0.25 | 1.75 | 1.25 | 1.75 | 2.00 | 0.75 | 0.75 | 1.25 | 1.25 | 1.00 | 0.67 | 0.00 | 0.00 | 0.00 | 1.00 | 0.67 | 0.75 | 1.00 | 0.83 | 11.54 |
| c | 0.00 | 1.33 | 0.50 | 0.67 | 0.75 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.50 | 2.00 | 2.00 | 1.67 | 2.00 | 1.50 | 0.75 | 0.50 | 0.75 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.54 | 7.54 |
| CV | 89.00 | 164.00 | 102.75 | 140.33 | 143.25 | 100.33 | 105.67 | 105.67 | 56.75 | 47.25 | 73.67 | 74.00 | 77.75 | 152.00 | 153.25 | 184.50 | 193.67 | 184.50 | 204.75 | 172.25 | 157.75 | 122.25 | 82.67 | 71.00 | 36.33 | 77.00 | 88.67 | 100.67 | 90.25 | 96.33 | 114.94 | 100 |
| CVn | 33.00 | 48.00 | 39.25 | 52.33 | 62.50 | 58.67 | 83.67 | 79.33 | 49.00 | 45.75 | 66.33 | 50.00 | 51.75 | 78.00 | 50.00 | 58.75 | 69.67 | 80.75 | 81.50 | 74.25 | 51.75 | 25.50 | 6.33 | 22.00 | 7.00 | 38.00 | 39.67 | 34.33 | 25.75 | 25.00 | 49.59 | 43.15 |
| CVs | 56.00 | 116.00 | 63.50 | 88.00 | 80.75 | 41.67 | 22.00 | 26.33 | 7.75 | 1.50 | 7.33 | 24.00 | 26.00 | 74.00 | 103.25 | 125.75 | 124.00 | 103.75 | 123.25 | 98.00 | 106.00 | 96.75 | 76.33 | 49.00 | 29.33 | 39.00 | 49.00 | 66.33 | 64.50 | 71.33 | 65.35 | 56.85 |
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