Statistics of sunspot activity
July, 1992
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 | 110.17 | 83.33 | 82.17 | 86.20 | 101.60 | 124.50 | 120.20 | 128.20 | 148.00 | 168.50 | 188.00 | 153.57 | 137.00 | 178.83 | 184.00 | 197.60 | 189.60 | 142.14 | 99.83 | 86.67 | 81.83 | 81.33 | 67.00 | 57.17 | 49.50 | 79.00 | 73.17 | 49.40 | 58.83 | 69.50 | 92.33 | 111.91 | 100 |
| Wn | 95.50 | 74.00 | 82.17 | 75.20 | 73.00 | 76.33 | 59.40 | 39.00 | 23.60 | 17.33 | 21.75 | 20.14 | 26.50 | 39.00 | 59.17 | 78.60 | 78.00 | 69.57 | 55.67 | 56.83 | 48.33 | 53.83 | 43.00 | 31.67 | 27.50 | 42.83 | 39.50 | 24.60 | 42.00 | 53.17 | 51.33 | 50.92 | 45.50 |
| Ws | 14.67 | 9.33 | 0.00 | 11.00 | 28.60 | 48.17 | 60.80 | 89.20 | 124.40 | 151.17 | 166.25 | 133.43 | 110.50 | 139.83 | 124.83 | 119.00 | 111.60 | 72.57 | 44.17 | 29.83 | 33.50 | 27.50 | 24.00 | 25.50 | 22.00 | 36.17 | 33.67 | 24.80 | 16.83 | 16.33 | 41.00 | 60.99 | 54.50 |
| n | 4.67 | 3.17 | 2.33 | 3.00 | 4.60 | 5.50 | 5.40 | 5.00 | 6.60 | 7.83 | 8.25 | 6.71 | 5.75 | 7.00 | 8.50 | 8.80 | 9.00 | 8.00 | 6.67 | 5.50 | 5.00 | 5.50 | 4.67 | 4.17 | 3.83 | 5.83 | 5.17 | 3.60 | 4.67 | 5.00 | 6.50 | 5.68 | 100 |
| A | 0.33 | 0.67 | 0.33 | 1.00 | 1.60 | 2.50 | 1.40 | 0.20 | 1.00 | 1.33 | 1.25 | 1.43 | 0.38 | 0.83 | 0.50 | 0.40 | 0.00 | 0.14 | 2.00 | 0.67 | 0.00 | 1.17 | 0.33 | 1.17 | 0.67 | 1.50 | 0.17 | 0.20 | 1.50 | 0.33 | 0.67 | 0.83 | 14.56 |
| B | 2.17 | 0.50 | 0.00 | 0.00 | 0.40 | 0.33 | 0.80 | 1.20 | 1.20 | 1.67 | 1.00 | 0.57 | 0.63 | 0.00 | 1.83 | 1.60 | 2.20 | 2.29 | 1.50 | 2.50 | 1.50 | 1.33 | 0.17 | 1.17 | 0.67 | 1.17 | 1.00 | 0.20 | 0.17 | 1.67 | 2.83 | 1.10 | 19.44 |
| C | 0.17 | 0.00 | 0.17 | 0.60 | 0.80 | 0.17 | 0.60 | 0.80 | 1.00 | 0.50 | 1.75 | 1.14 | 1.25 | 2.50 | 2.33 | 2.20 | 2.60 | 1.86 | 1.50 | 1.17 | 0.67 | 0.67 | 1.83 | 0.50 | 1.00 | 1.00 | 1.17 | 1.20 | 1.83 | 2.17 | 2.17 | 1.20 | 21.17 |
| D | 1.00 | 0.67 | 0.00 | 0.00 | 0.20 | 0.33 | 0.40 | 0.80 | 0.40 | 0.17 | 0.25 | 0.43 | 1.25 | 1.50 | 2.50 | 3.40 | 2.20 | 2.14 | 1.50 | 0.50 | 2.17 | 1.67 | 0.83 | 0.33 | 1.00 | 0.83 | 0.50 | 0.20 | 0.00 | 0.00 | 0.50 | 0.89 | 15.70 |
| E | 0.50 | 0.33 | 0.83 | 0.20 | 0.40 | 0.67 | 0.20 | 0.80 | 1.00 | 1.50 | 1.75 | 1.14 | 0.25 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 5.83 |
| F | 0.50 | 0.67 | 0.50 | 0.80 | 0.60 | 1.00 | 1.40 | 1.00 | 0.80 | 0.33 | 0.00 | 0.14 | 0.63 | 1.00 | 1.00 | 1.00 | 0.80 | 0.71 | 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 | 0.42 | 7.31 |
| G | 0.00 | 0.33 | 0.50 | 0.40 | 0.00 | 0.00 | 0.00 | 0.20 | 0.60 | 1.17 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.57 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.17 | 0.17 | 0.33 | 0.33 | 0.20 | 0.00 | 0.00 | 0.00 | 0.19 | 3.43 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 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 | 0.03 | 0.50 |
| I | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.50 | 0.60 | 0.00 | 0.60 | 1.17 | 1.75 | 1.57 | 1.38 | 1.17 | 0.33 | 0.20 | 0.00 | 0.29 | 0.17 | 0.17 | 0.67 | 0.67 | 1.50 | 0.83 | 0.33 | 1.00 | 1.83 | 1.60 | 1.17 | 0.83 | 0.33 | 0.69 | 12.06 |
| x | 2.50 | 1.17 | 0.33 | 1.00 | 2.00 | 2.83 | 2.20 | 1.40 | 2.20 | 3.00 | 2.25 | 2.00 | 1.00 | 0.83 | 2.33 | 2.00 | 2.20 | 2.43 | 3.50 | 3.17 | 1.50 | 2.50 | 0.50 | 2.33 | 1.33 | 2.67 | 1.17 | 0.40 | 1.67 | 2.00 | 3.50 | 1.93 | 34.00 |
| r | 0.17 | 0.00 | 0.00 | 0.00 | 0.20 | 0.17 | 0.20 | 0.20 | 0.20 | 0.17 | 0.50 | 0.00 | 0.13 | 0.00 | 0.17 | 0.40 | 0.40 | 0.00 | 0.00 | 0.33 | 1.33 | 0.83 | 0.67 | 0.50 | 1.17 | 0.33 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.27 | 4.78 |
| s | 0.33 | 0.17 | 0.50 | 0.60 | 0.80 | 0.33 | 1.20 | 1.00 | 1.40 | 1.50 | 2.50 | 1.57 | 2.13 | 3.33 | 2.67 | 1.40 | 0.80 | 1.14 | 0.83 | 0.67 | 0.50 | 0.17 | 0.83 | 0.50 | 0.83 | 2.33 | 2.50 | 1.60 | 2.67 | 2.50 | 1.50 | 1.32 | 23.16 |
| a | 0.67 | 0.83 | 0.83 | 0.60 | 0.60 | 1.00 | 0.20 | 0.60 | 0.80 | 1.17 | 1.50 | 1.57 | 0.75 | 0.83 | 1.33 | 3.60 | 4.20 | 4.00 | 2.33 | 1.33 | 1.67 | 2.00 | 2.67 | 0.83 | 0.50 | 0.33 | 1.33 | 1.40 | 0.17 | 0.33 | 1.33 | 1.33 | 23.45 |
| h | 0.00 | 0.17 | 0.00 | 0.00 | 0.20 | 0.33 | 0.40 | 0.00 | 0.00 | 0.33 | 0.25 | 0.00 | 0.13 | 0.33 | 0.00 | 0.20 | 0.40 | 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 | 0.17 | 0.10 | 1.75 |
| k | 1.00 | 0.83 | 0.67 | 0.80 | 0.80 | 0.83 | 1.20 | 1.80 | 2.00 | 1.67 | 1.25 | 1.57 | 1.63 | 1.67 | 2.00 | 1.20 | 1.00 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.73 | 12.87 |
| x | 0.33 | 0.67 | 0.33 | 1.00 | 2.20 | 3.00 | 2.00 | 0.20 | 1.60 | 2.50 | 3.00 | 3.29 | 1.75 | 2.00 | 0.83 | 0.60 | 0.60 | 0.43 | 2.17 | 0.83 | 0.67 | 1.83 | 1.83 | 2.00 | 1.00 | 2.50 | 2.00 | 1.80 | 2.67 | 1.17 | 1.00 | 1.54 | 27.12 |
| o | 2.83 | 1.17 | 0.67 | 1.00 | 1.40 | 0.50 | 1.40 | 3.00 | 3.20 | 3.50 | 3.50 | 1.71 | 2.00 | 2.83 | 4.83 | 6.00 | 7.20 | 6.71 | 4.50 | 4.17 | 4.33 | 3.67 | 2.83 | 2.00 | 2.83 | 3.33 | 3.00 | 1.80 | 2.00 | 3.83 | 5.50 | 3.14 | 55.20 |
| i | 1.50 | 1.33 | 1.33 | 1.00 | 0.80 | 1.67 | 1.80 | 1.40 | 1.00 | 1.00 | 1.00 | 1.29 | 1.25 | 2.00 | 2.67 | 2.00 | 1.20 | 0.86 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.84 | 14.71 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.33 | 0.20 | 0.40 | 0.80 | 0.83 | 0.75 | 0.43 | 0.75 | 0.17 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 2.97 |
| CV | 74.50 | 71.83 | 62.00 | 58.60 | 69.80 | 87.67 | 105.20 | 120.60 | 137.80 | 149.00 | 135.75 | 111.86 | 124.50 | 148.17 | 163.67 | 160.20 | 146.80 | 107.29 | 49.17 | 38.33 | 49.67 | 42.00 | 42.17 | 24.17 | 35.17 | 54.50 | 52.83 | 33.40 | 37.67 | 39.83 | 45.50 | 83.21 | 100 |
| CVn | 71.00 | 70.83 | 62.00 | 57.60 | 54.40 | 52.50 | 46.40 | 44.40 | 46.60 | 47.33 | 35.00 | 20.43 | 12.00 | 22.83 | 35.67 | 51.40 | 48.60 | 47.29 | 35.17 | 34.00 | 40.00 | 31.00 | 26.33 | 4.67 | 11.00 | 22.33 | 33.00 | 20.40 | 26.50 | 28.83 | 23.00 | 37.50 | 45.07 |
| CVs | 3.50 | 1.00 | 0.00 | 1.00 | 15.40 | 35.17 | 58.80 | 76.20 | 91.20 | 101.67 | 100.75 | 91.43 | 112.50 | 125.33 | 128.00 | 108.80 | 98.20 | 60.00 | 14.00 | 4.33 | 9.67 | 11.00 | 15.83 | 19.50 | 24.17 | 32.17 | 19.83 | 13.00 | 11.17 | 11.00 | 22.50 | 45.71 | 54.93 |
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