Statistics of sunspot activity
March, 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 | 178.25 | 151.00 | 137.75 | 125.75 | 90.00 | 96.86 | 122.40 | 140.20 | 167.17 | 156.57 | 165.00 | 165.00 | 213.00 | 173.63 | 214.00 | 127.83 | 114.40 | 88.71 | 102.29 | 118.57 | 160.40 | 135.00 | 146.33 | 163.86 | 151.43 | 177.50 | 175.17 | 161.00 | 169.14 | 163.29 | 150.00 | 148.44 | 100 |
| Wn | 96.00 | 73.43 | 60.75 | 59.75 | 53.80 | 52.43 | 58.40 | 43.20 | 43.67 | 36.86 | 48.14 | 36.43 | 43.43 | 34.13 | 35.60 | 29.17 | 26.60 | 25.71 | 47.00 | 66.86 | 95.80 | 69.57 | 94.67 | 109.86 | 100.43 | 94.83 | 81.50 | 71.80 | 63.57 | 63.14 | 47.80 | 60.14 | 40.52 |
| Ws | 82.25 | 77.57 | 77.00 | 66.00 | 36.20 | 44.43 | 64.00 | 97.00 | 123.50 | 119.71 | 116.86 | 128.57 | 169.57 | 139.50 | 178.40 | 98.67 | 87.80 | 63.00 | 55.29 | 51.71 | 64.60 | 65.43 | 51.67 | 54.00 | 51.00 | 82.67 | 93.67 | 89.20 | 105.57 | 100.14 | 102.20 | 88.30 | 59.48 |
| n | 11.00 | 10.71 | 10.75 | 9.75 | 6.80 | 6.86 | 8.80 | 8.80 | 9.50 | 9.71 | 11.14 | 10.86 | 13.00 | 10.38 | 11.20 | 7.67 | 7.40 | 6.00 | 6.43 | 7.71 | 10.40 | 9.86 | 9.00 | 9.86 | 7.86 | 8.50 | 8.50 | 7.00 | 5.71 | 6.57 | 6.20 | 8.84 | 100 |
| A | 1.50 | 1.29 | 1.00 | 0.50 | 0.20 | 1.29 | 1.20 | 0.80 | 0.67 | 0.71 | 1.86 | 2.14 | 2.29 | 3.00 | 1.60 | 0.50 | 1.00 | 0.71 | 0.86 | 1.14 | 2.20 | 2.86 | 1.83 | 1.43 | 1.29 | 1.33 | 2.00 | 1.80 | 0.57 | 0.71 | 1.20 | 1.34 | 15.14 |
| B | 1.50 | 2.14 | 2.50 | 2.00 | 1.40 | 1.00 | 1.80 | 0.80 | 0.50 | 0.29 | 0.43 | 1.43 | 3.14 | 1.75 | 2.20 | 1.33 | 1.20 | 0.86 | 0.29 | 0.86 | 1.40 | 1.71 | 2.50 | 2.86 | 2.29 | 2.67 | 0.83 | 0.80 | 0.57 | 1.29 | 0.40 | 1.44 | 16.33 |
| C | 4.00 | 1.86 | 1.50 | 1.25 | 1.20 | 1.86 | 1.20 | 1.60 | 1.33 | 2.00 | 1.86 | 1.00 | 3.29 | 2.25 | 1.60 | 1.33 | 0.80 | 0.57 | 1.57 | 2.00 | 2.80 | 1.29 | 1.67 | 1.57 | 0.57 | 0.67 | 1.33 | 0.40 | 0.71 | 1.29 | 0.80 | 1.52 | 17.22 |
| D | 2.25 | 1.57 | 1.00 | 1.00 | 1.00 | 1.29 | 1.60 | 3.80 | 4.83 | 3.86 | 3.57 | 2.14 | 1.00 | 1.00 | 2.20 | 1.83 | 1.60 | 1.43 | 1.86 | 1.00 | 1.20 | 1.00 | 1.50 | 1.71 | 1.71 | 1.17 | 1.00 | 1.80 | 1.57 | 1.29 | 1.80 | 1.79 | 20.29 |
| E | 0.25 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.14 | 0.50 | 0.20 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.71 | 1.17 | 1.00 | 0.00 | 0.14 | 0.29 | 0.40 | 0.19 | 2.15 |
| F | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.40 | 0.17 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 1.00 | 0.86 | 0.57 | 0.40 | 0.13 | 1.45 |
| G | 0.75 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 1.14 | 1.00 | 0.25 | 0.80 | 0.67 | 0.40 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.29 | 0.00 | 0.17 | 0.00 | 0.43 | 0.14 | 0.40 | 0.25 | 2.82 |
| H | 0.25 | 0.43 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.60 |
| I | 0.50 | 2.71 | 4.75 | 4.75 | 3.00 | 1.43 | 3.00 | 1.80 | 2.17 | 2.86 | 2.86 | 2.71 | 2.14 | 1.50 | 2.20 | 1.67 | 2.20 | 1.57 | 1.86 | 2.71 | 2.80 | 3.00 | 1.50 | 1.86 | 0.86 | 1.50 | 2.00 | 1.20 | 0.86 | 1.00 | 0.80 | 2.12 | 24.01 |
| x | 3.00 | 3.43 | 3.50 | 2.50 | 1.60 | 2.29 | 3.00 | 1.60 | 1.17 | 1.00 | 2.29 | 3.57 | 5.43 | 4.75 | 3.80 | 1.83 | 2.20 | 1.57 | 1.14 | 2.00 | 3.60 | 4.57 | 4.33 | 4.29 | 3.57 | 4.00 | 2.83 | 2.60 | 1.14 | 2.00 | 1.60 | 2.78 | 31.47 |
| r | 0.75 | 0.00 | 0.25 | 0.00 | 0.20 | 0.43 | 0.20 | 0.00 | 0.00 | 0.71 | 0.43 | 0.14 | 0.57 | 0.63 | 0.60 | 0.00 | 0.20 | 0.14 | 0.29 | 0.57 | 1.00 | 0.57 | 0.50 | 0.71 | 0.14 | 0.50 | 0.50 | 0.20 | 0.14 | 0.29 | 0.60 | 0.36 | 4.11 |
| s | 2.50 | 5.00 | 4.00 | 5.75 | 4.40 | 3.00 | 4.60 | 4.40 | 3.50 | 4.29 | 4.71 | 2.43 | 2.00 | 1.63 | 4.00 | 3.50 | 3.20 | 1.71 | 1.14 | 1.29 | 2.00 | 2.86 | 2.33 | 2.00 | 1.00 | 0.33 | 2.50 | 1.60 | 1.57 | 2.14 | 1.40 | 2.80 | 31.68 |
| a | 2.75 | 1.14 | 2.75 | 1.25 | 0.60 | 1.14 | 1.00 | 2.80 | 4.67 | 3.71 | 3.71 | 4.29 | 4.43 | 2.88 | 2.00 | 2.00 | 1.60 | 1.71 | 3.43 | 3.86 | 3.20 | 1.57 | 1.83 | 2.71 | 2.14 | 2.00 | 1.17 | 1.40 | 1.71 | 0.86 | 1.00 | 2.30 | 26.04 |
| h | 0.25 | 0.29 | 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 | 0.43 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.55 |
| k | 1.75 | 0.86 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.43 | 0.57 | 0.50 | 0.80 | 0.33 | 0.20 | 0.43 | 0.14 | 0.00 | 0.60 | 0.29 | 0.00 | 0.14 | 1.00 | 1.67 | 1.50 | 1.20 | 1.14 | 1.29 | 1.60 | 0.54 | 6.15 |
| x | 2.25 | 4.43 | 5.75 | 5.50 | 3.20 | 2.71 | 4.20 | 2.60 | 2.83 | 3.57 | 4.71 | 5.00 | 4.43 | 4.50 | 3.80 | 2.17 | 3.20 | 2.71 | 2.71 | 3.86 | 5.00 | 5.86 | 3.33 | 3.29 | 2.29 | 2.83 | 4.00 | 3.00 | 1.43 | 1.71 | 2.00 | 3.51 | 39.75 |
| o | 8.25 | 5.57 | 5.00 | 4.00 | 3.60 | 4.14 | 4.20 | 5.80 | 5.67 | 5.57 | 6.14 | 5.43 | 8.00 | 5.25 | 6.20 | 5.17 | 4.00 | 3.14 | 3.14 | 3.14 | 5.40 | 3.86 | 5.50 | 5.71 | 4.43 | 4.00 | 3.00 | 2.60 | 2.57 | 3.14 | 2.80 | 4.66 | 52.73 |
| i | 0.50 | 0.71 | 0.00 | 0.25 | 0.00 | 0.00 | 0.40 | 0.40 | 1.00 | 0.57 | 0.29 | 0.43 | 0.57 | 0.63 | 1.20 | 0.33 | 0.20 | 0.14 | 0.57 | 0.71 | 0.00 | 0.14 | 0.17 | 0.86 | 0.86 | 1.33 | 1.33 | 1.40 | 1.57 | 1.57 | 1.40 | 0.63 | 7.13 |
| c | 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 | 0.29 | 0.33 | 0.17 | 0.00 | 0.14 | 0.14 | 0.00 | 0.03 | 0.39 |
| CV | 164.50 | 139.00 | 89.75 | 97.00 | 66.40 | 61.57 | 83.40 | 119.20 | 140.00 | 127.29 | 134.86 | 121.71 | 115.00 | 90.00 | 141.00 | 104.67 | 84.60 | 86.86 | 79.86 | 61.14 | 87.20 | 70.71 | 64.67 | 83.57 | 103.86 | 115.50 | 122.17 | 108.60 | 113.00 | 109.43 | 118.00 | 103.37 | 100 |
| CVn | 111.50 | 83.00 | 52.25 | 56.50 | 41.80 | 34.43 | 41.20 | 31.40 | 32.33 | 24.71 | 20.86 | 15.00 | 16.00 | 12.75 | 17.20 | 17.17 | 15.00 | 19.43 | 38.00 | 34.00 | 57.80 | 45.71 | 42.83 | 60.14 | 69.29 | 64.83 | 59.33 | 52.60 | 49.14 | 50.14 | 46.60 | 42.35 | 40.97 |
| CVs | 53.00 | 56.00 | 37.50 | 40.50 | 24.60 | 27.14 | 42.20 | 87.80 | 107.67 | 102.57 | 114.00 | 106.71 | 99.00 | 77.25 | 123.80 | 87.50 | 69.60 | 67.43 | 41.86 | 27.14 | 29.40 | 25.00 | 21.83 | 23.43 | 34.57 | 50.67 | 62.83 | 56.00 | 63.86 | 59.29 | 71.40 | 61.02 | 59.03 |
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