Statistics of sunspot activity
July, 2011
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 | 50.50 | 49.00 | 38.50 | 39.00 | 29.33 | 32.75 | 41.50 | 66.33 | 41.00 | 51.00 | 74.50 | 67.75 | 78.00 | 68.25 | 77.67 | 67.50 | 95.25 | 102.50 | 91.50 | 62.00 | 53.25 | 49.00 | 46.50 | 33.50 | 37.00 | 37.25 | 59.75 | 72.25 | 80.50 | 86.75 | 115.00 | 61.12 | 100 |
| Wn | 50.50 | 49.00 | 38.50 | 39.00 | 29.33 | 30.00 | 36.00 | 49.00 | 19.00 | 11.67 | 26.25 | 22.25 | 40.50 | 37.75 | 53.33 | 37.75 | 62.50 | 69.50 | 59.75 | 34.25 | 32.75 | 30.33 | 30.00 | 21.50 | 34.25 | 37.25 | 54.00 | 65.25 | 74.50 | 83.75 | 109.00 | 44.14 | 72.23 |
| Ws | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.75 | 5.50 | 17.33 | 22.00 | 39.33 | 48.25 | 45.50 | 37.50 | 30.50 | 24.33 | 29.75 | 32.75 | 33.00 | 31.75 | 27.75 | 20.50 | 18.67 | 16.50 | 12.00 | 2.75 | 0.00 | 5.75 | 7.00 | 6.00 | 3.00 | 6.00 | 16.97 | 27.77 |
| n | 3.00 | 2.75 | 2.00 | 2.67 | 2.00 | 2.25 | 3.00 | 5.33 | 3.00 | 3.33 | 5.25 | 5.00 | 6.00 | 5.25 | 6.67 | 5.25 | 6.25 | 7.25 | 6.75 | 3.75 | 3.00 | 3.00 | 3.50 | 2.75 | 2.75 | 2.50 | 3.50 | 4.00 | 3.50 | 4.25 | 4.50 | 4.00 | 100 |
| A | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.25 | 1.25 | 1.67 | 1.00 | 0.00 | 1.00 | 0.75 | 2.50 | 2.25 | 3.00 | 1.00 | 0.50 | 1.00 | 1.00 | 0.25 | 0.00 | 0.00 | 0.50 | 2.00 | 1.25 | 0.00 | 0.50 | 1.00 | 0.00 | 0.25 | 0.25 | 0.76 | 19.09 |
| B | 0.50 | 0.50 | 0.50 | 0.67 | 0.00 | 0.00 | 0.25 | 1.67 | 0.33 | 0.33 | 0.00 | 0.75 | 0.75 | 0.00 | 0.33 | 0.75 | 1.00 | 0.75 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 1.50 | 0.25 | 0.25 | 0.25 | 0.50 | 0.75 | 1.00 | 0.47 | 11.76 |
| C | 1.25 | 0.75 | 0.75 | 1.00 | 1.33 | 1.00 | 0.75 | 0.67 | 0.67 | 1.33 | 0.75 | 1.00 | 0.25 | 0.75 | 1.67 | 1.00 | 1.50 | 2.00 | 2.50 | 0.75 | 1.00 | 0.67 | 2.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.00 | 0.00 | 0.25 | 0.25 | 0.86 | 21.44 |
| D | 1.25 | 1.00 | 0.75 | 0.67 | 0.67 | 0.75 | 0.50 | 0.33 | 0.67 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 0.00 | 1.00 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.33 | 0.00 | 0.00 | 0.00 | 1.25 | 1.75 | 1.50 | 1.50 | 1.50 | 1.00 | 0.92 | 22.92 |
| E | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 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 | 1.50 | 1.00 | 1.50 | 0.19 | 4.84 |
| 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 | 0.00 | 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 | 0.25 | 0.00 | 0.00 | 0.50 | 0.50 | 0.05 | 1.21 |
| 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 | 0.00 | 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 | 0.01 | 0.20 |
| I | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.25 | 0.25 | 1.00 | 0.33 | 0.67 | 1.75 | 1.25 | 1.50 | 1.50 | 1.67 | 1.50 | 2.00 | 2.25 | 1.75 | 1.50 | 0.75 | 1.00 | 1.00 | 0.00 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.74 | 18.55 |
| x | 0.50 | 1.00 | 0.50 | 0.67 | 0.00 | 0.25 | 1.50 | 3.33 | 1.33 | 0.33 | 1.00 | 1.50 | 3.25 | 2.25 | 3.33 | 1.75 | 1.50 | 1.75 | 1.25 | 0.25 | 0.00 | 0.00 | 0.50 | 2.75 | 2.75 | 0.25 | 0.75 | 1.25 | 0.50 | 1.00 | 1.25 | 1.23 | 30.85 |
| r | 1.25 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 0.50 | 0.75 | 0.00 | 0.50 | 0.33 | 0.25 | 0.50 | 0.75 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 6.38 |
| s | 1.25 | 0.75 | 1.00 | 1.00 | 1.67 | 1.25 | 0.50 | 1.67 | 1.00 | 1.33 | 3.00 | 2.50 | 2.75 | 2.50 | 2.67 | 3.25 | 3.00 | 3.75 | 5.00 | 1.75 | 1.75 | 2.00 | 0.50 | 0.00 | 0.00 | 0.25 | 1.25 | 0.75 | 0.25 | 0.75 | 0.75 | 1.61 | 40.19 |
| a | 0.00 | 0.50 | 0.50 | 1.00 | 0.33 | 0.75 | 1.00 | 0.00 | 0.33 | 1.00 | 0.75 | 0.25 | 0.00 | 0.00 | 0.33 | 0.00 | 1.25 | 1.00 | 0.50 | 1.50 | 1.25 | 1.00 | 2.50 | 0.00 | 0.00 | 0.75 | 0.50 | 1.00 | 1.25 | 0.00 | 0.25 | 0.63 | 15.73 |
| 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.25 | 1.00 | 1.50 | 1.25 | 0.15 | 3.63 |
| k | 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 | 0.75 | 0.75 | 0.50 | 1.00 | 1.00 | 0.13 | 3.23 |
| x | 0.00 | 0.50 | 0.00 | 0.33 | 0.00 | 0.50 | 1.50 | 2.67 | 1.33 | 0.67 | 2.75 | 2.00 | 4.00 | 3.75 | 4.67 | 2.50 | 2.50 | 3.25 | 2.75 | 1.75 | 0.75 | 1.00 | 1.50 | 2.00 | 1.25 | 0.75 | 0.50 | 1.25 | 0.00 | 0.25 | 0.25 | 1.51 | 37.84 |
| o | 2.75 | 2.00 | 1.75 | 2.33 | 2.00 | 1.50 | 1.25 | 2.67 | 1.67 | 2.00 | 1.75 | 3.00 | 2.00 | 1.25 | 2.00 | 2.75 | 2.50 | 3.00 | 3.75 | 0.75 | 1.00 | 1.33 | 2.00 | 0.75 | 1.25 | 1.50 | 2.25 | 1.50 | 1.50 | 2.50 | 2.00 | 1.94 | 48.59 |
| i | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.67 | 0.75 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 1.00 | 1.00 | 0.25 | 0.75 | 1.25 | 0.67 | 0.00 | 0.00 | 0.25 | 0.25 | 0.75 | 0.75 | 1.00 | 0.75 | 1.00 | 0.40 | 9.95 |
| c | 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 | 0.25 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 1.00 | 0.75 | 1.25 | 0.15 | 3.63 |
| CV | 35.75 | 28.00 | 28.75 | 27.33 | 30.33 | 29.50 | 22.00 | 28.67 | 25.00 | 40.33 | 67.50 | 51.25 | 46.75 | 42.00 | 35.67 | 50.50 | 64.75 | 70.50 | 76.25 | 54.00 | 47.75 | 47.67 | 25.00 | 3.50 | 4.50 | 44.50 | 74.50 | 90.75 | 117.25 | 144.75 | 143.50 | 51.56 | 100 |
| CVn | 35.75 | 28.00 | 28.75 | 27.33 | 30.33 | 29.25 | 21.50 | 19.33 | 9.33 | 13.00 | 14.50 | 13.25 | 18.00 | 13.00 | 15.33 | 27.25 | 40.50 | 49.00 | 50.00 | 23.50 | 28.25 | 28.33 | 17.00 | 2.25 | 4.25 | 44.50 | 74.00 | 90.00 | 116.25 | 144.50 | 142.50 | 38.67 | 74.99 |
| CVs | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 9.33 | 15.67 | 27.33 | 53.00 | 38.00 | 28.75 | 29.00 | 20.33 | 23.25 | 24.25 | 21.50 | 26.25 | 30.50 | 19.50 | 19.33 | 8.00 | 1.25 | 0.25 | 0.00 | 0.50 | 0.75 | 1.00 | 0.25 | 1.00 | 12.90 | 25.01 |
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