Statistics of sunspot activity
March, 1989
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 | 162.40 | 125.60 | 123.20 | 102.00 | 104.14 | 114.86 | 116.14 | 112.50 | 173.80 | 196.50 | 183.71 | 182.17 | 207.86 | 185.83 | 212.17 | 233.67 | 229.00 | 187.14 | 200.14 | 229.80 | 171.00 | 187.57 | 197.17 | 190.83 | 168.00 | 151.67 | 134.60 | 100.71 | 104.40 | 88.71 | 129.80 | 161.52 | 100 |
| Wn | 97.00 | 84.20 | 89.40 | 61.50 | 70.86 | 84.71 | 87.00 | 74.33 | 115.60 | 128.67 | 121.71 | 115.83 | 129.86 | 108.17 | 129.50 | 155.00 | 152.60 | 124.86 | 123.86 | 117.00 | 80.75 | 112.57 | 120.50 | 110.17 | 90.50 | 84.67 | 70.20 | 46.14 | 48.20 | 42.43 | 51.80 | 97.73 | 60.51 |
| Ws | 65.40 | 41.40 | 33.80 | 40.50 | 33.29 | 30.14 | 29.14 | 38.17 | 58.20 | 67.83 | 62.00 | 66.33 | 78.00 | 77.67 | 82.67 | 78.67 | 76.40 | 62.29 | 76.29 | 112.80 | 90.25 | 75.00 | 76.67 | 80.67 | 77.50 | 67.00 | 64.40 | 54.57 | 56.20 | 46.29 | 78.00 | 63.79 | 39.49 |
| n | 9.20 | 6.20 | 6.80 | 7.33 | 7.29 | 7.43 | 6.43 | 6.00 | 8.20 | 9.17 | 7.43 | 9.17 | 8.86 | 9.33 | 8.33 | 9.67 | 10.80 | 10.14 | 11.00 | 12.00 | 8.50 | 8.43 | 8.33 | 10.00 | 9.33 | 9.00 | 7.60 | 6.14 | 7.00 | 5.71 | 8.20 | 8.36 | 100 |
| A | 2.20 | 1.20 | 1.40 | 2.33 | 2.00 | 1.29 | 0.71 | 0.50 | 0.80 | 1.83 | 0.29 | 2.50 | 1.43 | 2.67 | 0.33 | 1.00 | 1.00 | 1.57 | 1.71 | 1.40 | 1.50 | 0.57 | 0.83 | 0.67 | 1.83 | 3.00 | 0.80 | 1.00 | 1.20 | 0.86 | 0.80 | 1.33 | 15.92 |
| B | 1.40 | 1.00 | 0.00 | 0.50 | 0.43 | 0.43 | 0.86 | 0.33 | 0.80 | 1.33 | 1.71 | 1.83 | 2.14 | 1.50 | 1.83 | 1.17 | 1.80 | 2.00 | 1.57 | 0.80 | 1.00 | 0.86 | 0.50 | 2.00 | 1.67 | 0.83 | 0.80 | 1.57 | 1.40 | 1.43 | 4.40 | 1.29 | 15.40 |
| C | 1.40 | 0.60 | 2.00 | 0.50 | 0.86 | 0.57 | 0.71 | 2.33 | 2.40 | 1.67 | 1.57 | 1.33 | 1.86 | 2.83 | 2.67 | 2.17 | 2.00 | 3.00 | 3.14 | 3.20 | 1.50 | 1.29 | 1.00 | 2.83 | 1.83 | 1.00 | 1.20 | 0.57 | 0.40 | 0.71 | 0.80 | 1.61 | 19.28 |
| D | 2.20 | 2.60 | 1.60 | 1.50 | 1.43 | 1.57 | 1.71 | 1.33 | 1.80 | 2.00 | 1.29 | 1.17 | 1.57 | 0.83 | 1.83 | 1.50 | 2.00 | 1.14 | 1.71 | 4.40 | 2.50 | 2.14 | 1.50 | 0.17 | 0.00 | 0.50 | 0.60 | 0.29 | 0.40 | 0.14 | 0.00 | 1.40 | 16.77 |
| E | 1.40 | 0.20 | 0.40 | 0.33 | 0.14 | 0.57 | 0.71 | 0.67 | 1.20 | 0.83 | 1.00 | 0.17 | 0.43 | 0.50 | 0.17 | 0.67 | 0.20 | 0.43 | 0.43 | 0.60 | 0.50 | 1.29 | 1.83 | 1.50 | 1.33 | 1.00 | 1.00 | 0.57 | 0.80 | 0.14 | 0.00 | 0.68 | 8.11 |
| F | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.17 | 0.00 | 0.17 | 0.14 | 0.83 | 0.86 | 0.83 | 1.00 | 1.00 | 1.00 | 0.86 | 0.43 | 0.00 | 0.00 | 0.00 | 0.17 | 0.33 | 0.17 | 0.00 | 0.20 | 0.00 | 0.00 | 0.71 | 0.60 | 0.31 | 3.71 |
| G | 0.40 | 0.20 | 0.20 | 0.17 | 1.00 | 1.00 | 0.57 | 0.00 | 0.00 | 0.00 | 0.14 | 0.17 | 0.14 | 0.17 | 0.33 | 0.33 | 0.60 | 0.00 | 0.29 | 0.00 | 0.75 | 0.71 | 0.17 | 0.17 | 0.50 | 0.50 | 0.20 | 0.14 | 0.40 | 0.57 | 0.60 | 0.34 | 4.02 |
| H | 0.00 | 0.20 | 0.20 | 0.17 | 0.14 | 0.29 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.20 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 0.06 | 0.76 |
| I | 0.20 | 0.20 | 1.00 | 1.83 | 1.29 | 1.71 | 0.86 | 0.67 | 1.20 | 1.33 | 1.29 | 1.17 | 0.43 | 0.00 | 0.17 | 1.67 | 2.00 | 1.00 | 1.71 | 1.60 | 0.75 | 1.57 | 2.17 | 2.33 | 2.00 | 2.17 | 2.80 | 2.00 | 2.40 | 1.00 | 1.00 | 1.34 | 16.02 |
| x | 3.60 | 2.20 | 1.40 | 2.83 | 2.43 | 1.71 | 1.57 | 0.83 | 1.60 | 3.17 | 2.00 | 4.33 | 3.57 | 4.17 | 2.17 | 2.17 | 2.80 | 3.57 | 3.29 | 2.20 | 2.50 | 1.43 | 1.33 | 2.67 | 3.50 | 3.83 | 1.60 | 2.57 | 2.60 | 2.29 | 5.20 | 2.62 | 31.32 |
| r | 1.20 | 0.40 | 1.80 | 0.33 | 0.43 | 0.29 | 0.57 | 0.67 | 0.60 | 0.33 | 0.43 | 0.67 | 1.00 | 1.17 | 0.33 | 0.50 | 0.80 | 0.57 | 0.43 | 1.60 | 0.00 | 0.14 | 0.00 | 0.50 | 0.83 | 0.33 | 0.80 | 0.57 | 0.60 | 0.43 | 0.00 | 0.59 | 7.07 |
| s | 0.00 | 0.40 | 0.80 | 2.00 | 2.00 | 1.71 | 0.86 | 1.67 | 2.20 | 2.67 | 2.71 | 1.50 | 1.00 | 0.50 | 0.67 | 1.83 | 1.20 | 1.29 | 1.43 | 2.20 | 2.25 | 2.29 | 2.67 | 3.33 | 2.50 | 2.33 | 2.40 | 1.71 | 2.20 | 1.43 | 1.80 | 1.73 | 20.67 |
| a | 3.00 | 2.20 | 2.20 | 1.67 | 2.14 | 2.43 | 2.14 | 2.00 | 2.80 | 2.00 | 0.86 | 1.00 | 1.43 | 1.83 | 3.33 | 3.67 | 3.60 | 2.86 | 4.43 | 4.40 | 2.25 | 2.43 | 2.83 | 1.83 | 1.67 | 1.50 | 2.60 | 1.14 | 1.20 | 0.43 | 0.20 | 2.20 | 26.28 |
| h | 0.20 | 0.60 | 0.40 | 0.33 | 0.14 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.33 | 0.17 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.20 | 0.13 | 1.58 |
| k | 1.20 | 0.40 | 0.20 | 0.17 | 0.14 | 0.86 | 1.29 | 0.83 | 1.00 | 1.00 | 1.43 | 1.67 | 1.57 | 1.33 | 1.67 | 1.33 | 2.20 | 1.86 | 1.43 | 1.60 | 1.50 | 2.14 | 1.17 | 1.50 | 0.83 | 1.00 | 0.20 | 0.14 | 0.40 | 1.00 | 0.80 | 1.09 | 13.07 |
| x | 2.40 | 1.60 | 2.60 | 4.33 | 3.43 | 3.29 | 1.71 | 1.17 | 2.00 | 3.17 | 1.57 | 3.67 | 1.86 | 2.67 | 0.50 | 2.83 | 3.20 | 2.71 | 3.43 | 3.00 | 2.25 | 2.14 | 3.17 | 3.00 | 3.83 | 5.17 | 3.60 | 3.00 | 3.60 | 2.00 | 1.80 | 2.73 | 32.70 |
| o | 4.60 | 3.20 | 3.20 | 2.50 | 3.71 | 3.43 | 3.43 | 3.50 | 4.40 | 4.83 | 4.00 | 4.50 | 5.14 | 5.00 | 5.33 | 3.67 | 5.40 | 5.00 | 5.86 | 6.80 | 4.50 | 4.00 | 2.67 | 5.00 | 4.00 | 2.33 | 2.60 | 2.29 | 2.40 | 2.71 | 5.80 | 4.06 | 48.57 |
| i | 2.20 | 1.40 | 1.00 | 0.50 | 0.14 | 0.14 | 0.29 | 0.67 | 0.80 | 0.33 | 0.86 | 0.00 | 0.86 | 0.83 | 1.50 | 2.17 | 1.20 | 1.43 | 1.00 | 2.00 | 1.50 | 1.71 | 2.33 | 2.00 | 1.50 | 1.50 | 1.40 | 0.86 | 0.80 | 1.00 | 0.60 | 1.11 | 13.33 |
| c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 1.00 | 0.67 | 1.00 | 0.83 | 1.00 | 1.00 | 1.00 | 0.83 | 1.00 | 1.00 | 1.00 | 1.00 | 0.71 | 0.20 | 0.25 | 0.57 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.45 | 5.41 |
| CV | 133.00 | 100.00 | 85.60 | 81.83 | 84.29 | 129.29 | 122.86 | 98.83 | 132.20 | 128.83 | 131.29 | 126.33 | 145.43 | 131.33 | 156.50 | 164.00 | 192.00 | 151.00 | 146.43 | 186.40 | 147.25 | 177.14 | 153.83 | 143.83 | 104.00 | 102.50 | 85.20 | 52.29 | 75.40 | 83.86 | 81.00 | 123.67 | 100 |
| CVn | 106.20 | 82.00 | 72.20 | 68.00 | 73.14 | 119.00 | 117.14 | 80.17 | 96.20 | 93.00 | 83.29 | 72.50 | 85.86 | 75.17 | 96.67 | 130.00 | 139.80 | 121.71 | 114.29 | 84.40 | 69.00 | 102.71 | 95.33 | 91.67 | 74.67 | 67.17 | 50.80 | 22.43 | 25.60 | 20.00 | 15.20 | 82.11 | 66.39 |
| CVs | 26.80 | 18.00 | 13.40 | 13.83 | 11.14 | 10.29 | 5.71 | 18.67 | 36.00 | 35.83 | 48.00 | 53.83 | 59.57 | 56.17 | 59.83 | 34.00 | 52.20 | 29.29 | 32.14 | 102.00 | 78.25 | 74.43 | 58.50 | 52.17 | 29.33 | 35.33 | 34.40 | 29.86 | 49.80 | 63.86 | 65.80 | 41.56 | 33.61 |
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