Statistics of sunspot activity
January, 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 | 165.00 | 171.67 | 149.20 | 128.60 | 169.14 | 166.83 | 185.14 | 206.71 | 208.17 | 234.57 | 243.50 | 243.00 | 230.83 | 234.71 | 208.71 | 168.83 | 159.20 | 170.20 | 155.80 | 146.60 | 122.71 | 180.33 | 147.50 | 162.80 | 187.67 | 182.43 | 187.71 | 183.75 | 203.00 | 177.71 | 182.17 | 182.72 | 100 |
| Wn | 53.43 | 68.00 | 53.20 | 47.60 | 69.29 | 72.00 | 79.00 | 77.29 | 73.83 | 86.71 | 89.75 | 83.40 | 91.67 | 95.14 | 96.29 | 84.17 | 96.20 | 105.00 | 105.80 | 107.00 | 97.57 | 120.83 | 99.67 | 102.40 | 110.33 | 93.14 | 72.43 | 50.00 | 60.17 | 54.00 | 49.67 | 82.10 | 44.93 |
| Ws | 111.57 | 103.67 | 96.00 | 81.00 | 99.86 | 94.83 | 106.14 | 129.43 | 134.33 | 147.86 | 153.75 | 159.60 | 139.17 | 139.57 | 112.43 | 84.67 | 63.00 | 65.20 | 50.00 | 39.60 | 25.14 | 59.50 | 47.83 | 60.40 | 77.33 | 89.29 | 115.29 | 133.75 | 142.83 | 123.71 | 132.50 | 100.62 | 55.07 |
| n | 7.29 | 9.33 | 9.00 | 7.20 | 10.14 | 10.17 | 9.14 | 7.86 | 7.67 | 10.86 | 12.25 | 12.00 | 11.17 | 10.43 | 9.29 | 7.67 | 7.20 | 8.00 | 8.20 | 8.80 | 7.43 | 10.83 | 7.17 | 5.80 | 5.17 | 4.43 | 4.57 | 5.75 | 6.83 | 6.14 | 7.67 | 8.24 | 100 |
| A | 1.00 | 0.67 | 1.40 | 0.20 | 1.29 | 1.33 | 1.00 | 0.86 | 0.33 | 0.86 | 0.00 | 0.40 | 0.67 | 1.29 | 0.57 | 0.17 | 0.40 | 0.40 | 0.60 | 0.60 | 0.57 | 1.17 | 0.83 | 1.00 | 1.50 | 0.43 | 0.43 | 0.25 | 0.17 | 0.14 | 1.17 | 0.70 | 8.49 |
| B | 0.86 | 1.17 | 0.60 | 0.20 | 0.29 | 0.83 | 1.14 | 1.29 | 1.50 | 1.00 | 0.75 | 1.40 | 1.83 | 1.00 | 0.71 | 0.50 | 0.40 | 1.20 | 1.00 | 0.20 | 0.86 | 1.83 | 1.67 | 1.20 | 0.00 | 0.00 | 0.57 | 1.75 | 2.33 | 1.00 | 0.67 | 0.96 | 11.65 |
| C | 0.71 | 1.17 | 0.60 | 0.80 | 2.14 | 2.33 | 2.57 | 0.71 | 1.50 | 2.57 | 4.00 | 3.40 | 3.17 | 2.29 | 1.86 | 1.83 | 1.80 | 1.80 | 3.00 | 2.00 | 1.71 | 2.17 | 1.33 | 0.60 | 1.00 | 0.86 | 0.29 | 0.75 | 1.00 | 0.71 | 1.67 | 1.69 | 20.49 |
| D | 2.29 | 3.17 | 3.20 | 2.20 | 0.71 | 1.50 | 1.00 | 0.29 | 0.00 | 0.14 | 2.50 | 1.80 | 0.67 | 1.00 | 1.71 | 0.83 | 0.80 | 1.00 | 0.40 | 1.40 | 1.57 | 1.00 | 0.50 | 0.40 | 0.33 | 0.14 | 0.00 | 0.00 | 0.33 | 0.43 | 0.33 | 1.02 | 12.39 |
| E | 2.00 | 1.33 | 0.80 | 0.80 | 1.14 | 0.17 | 0.43 | 1.00 | 1.67 | 0.71 | 0.75 | 0.80 | 0.50 | 0.71 | 0.57 | 0.83 | 0.80 | 0.40 | 0.60 | 0.00 | 0.29 | 1.17 | 0.83 | 0.00 | 0.17 | 0.57 | 1.00 | 1.00 | 0.83 | 1.29 | 1.17 | 0.78 | 9.53 |
| F | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 1.00 | 1.00 | 1.00 | 1.00 | 1.20 | 0.83 | 1.00 | 1.00 | 1.17 | 1.20 | 1.60 | 1.40 | 1.00 | 0.71 | 0.33 | 1.00 | 2.00 | 2.00 | 2.29 | 2.00 | 1.75 | 2.00 | 1.57 | 1.00 | 1.03 | 12.45 |
| G | 0.43 | 0.67 | 1.00 | 1.60 | 2.43 | 2.33 | 2.00 | 2.00 | 1.33 | 2.57 | 2.00 | 1.60 | 1.67 | 0.71 | 0.14 | 0.33 | 0.20 | 0.00 | 0.00 | 0.40 | 0.00 | 0.33 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.00 | 0.33 | 0.80 | 9.66 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.17 | 0.00 | 0.14 | 0.00 | 0.00 | 0.50 | 0.00 | 0.33 | 0.43 | 0.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 1.14 |
| I | 0.00 | 1.00 | 1.40 | 1.40 | 2.00 | 1.50 | 0.43 | 0.57 | 0.33 | 2.00 | 0.75 | 1.40 | 1.50 | 2.00 | 2.43 | 2.00 | 1.60 | 1.60 | 1.20 | 2.80 | 1.71 | 2.33 | 0.83 | 0.60 | 0.17 | 0.14 | 0.29 | 0.00 | 0.00 | 1.00 | 1.33 | 1.17 | 14.22 |
| x | 1.86 | 1.83 | 2.00 | 0.40 | 1.57 | 2.17 | 2.14 | 2.14 | 1.83 | 1.86 | 0.75 | 1.80 | 2.50 | 2.29 | 1.29 | 0.67 | 0.80 | 1.60 | 1.60 | 0.80 | 1.43 | 3.00 | 2.50 | 2.20 | 1.50 | 0.43 | 1.00 | 2.00 | 2.50 | 1.14 | 1.83 | 1.66 | 20.13 |
| r | 0.57 | 0.50 | 0.60 | 1.20 | 1.29 | 1.00 | 0.71 | 0.14 | 0.17 | 0.43 | 1.50 | 0.80 | 1.33 | 0.86 | 0.71 | 0.33 | 0.60 | 0.20 | 1.00 | 1.40 | 0.43 | 0.83 | 0.17 | 0.40 | 0.00 | 0.00 | 0.00 | 0.50 | 0.17 | 0.14 | 0.00 | 0.58 | 7.04 |
| s | 0.86 | 1.83 | 2.80 | 2.20 | 2.71 | 2.00 | 1.43 | 0.86 | 1.50 | 3.43 | 2.25 | 2.60 | 1.83 | 1.43 | 2.29 | 2.83 | 2.60 | 2.80 | 2.40 | 2.20 | 2.43 | 2.83 | 1.50 | 1.00 | 0.83 | 0.57 | 0.43 | 0.00 | 0.33 | 1.00 | 2.50 | 1.82 | 22.03 |
| a | 3.14 | 3.50 | 3.20 | 2.40 | 2.43 | 3.17 | 2.86 | 2.29 | 2.00 | 3.86 | 5.50 | 4.40 | 3.33 | 4.00 | 2.14 | 1.67 | 1.00 | 1.20 | 0.80 | 2.20 | 1.86 | 2.17 | 1.50 | 0.60 | 1.00 | 1.14 | 1.86 | 2.00 | 2.83 | 3.57 | 3.17 | 2.48 | 30.06 |
| h | 0.14 | 0.00 | 0.00 | 0.20 | 0.43 | 0.17 | 0.14 | 0.14 | 0.50 | 0.29 | 0.75 | 0.20 | 0.17 | 0.00 | 0.43 | 0.17 | 0.20 | 0.20 | 0.40 | 0.40 | 0.29 | 0.33 | 0.17 | 0.20 | 0.67 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 2.74 |
| k | 0.71 | 1.67 | 0.40 | 0.80 | 1.71 | 1.67 | 1.86 | 2.29 | 1.67 | 1.00 | 1.50 | 2.20 | 2.00 | 1.86 | 2.43 | 2.00 | 2.00 | 2.00 | 2.00 | 1.80 | 1.00 | 1.67 | 1.33 | 1.40 | 1.17 | 1.86 | 1.29 | 1.25 | 1.00 | 0.29 | 0.17 | 1.48 | 18.00 |
| x | 1.00 | 1.67 | 2.80 | 1.60 | 3.43 | 3.00 | 1.43 | 1.57 | 0.67 | 2.86 | 1.25 | 1.80 | 2.50 | 3.71 | 3.29 | 2.17 | 2.00 | 2.00 | 1.80 | 3.80 | 2.29 | 4.00 | 1.67 | 1.60 | 1.67 | 0.57 | 0.71 | 0.25 | 0.17 | 1.14 | 2.50 | 1.96 | 23.84 |
| o | 3.14 | 4.67 | 4.20 | 4.20 | 5.43 | 6.67 | 5.71 | 4.00 | 4.33 | 6.29 | 9.00 | 7.60 | 7.00 | 4.14 | 3.29 | 3.33 | 3.00 | 4.00 | 4.20 | 3.80 | 3.43 | 5.17 | 3.67 | 2.20 | 0.83 | 0.86 | 0.86 | 2.50 | 3.83 | 1.71 | 2.50 | 4.05 | 49.15 |
| i | 3.14 | 2.83 | 2.00 | 1.40 | 1.29 | 0.50 | 1.43 | 1.43 | 2.00 | 0.71 | 1.25 | 1.80 | 1.00 | 1.71 | 1.57 | 0.83 | 0.60 | 0.20 | 0.80 | 0.20 | 1.29 | 1.33 | 1.83 | 2.00 | 2.67 | 2.43 | 2.29 | 2.75 | 2.83 | 3.29 | 2.67 | 1.68 | 20.39 |
| c | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 0.86 | 0.67 | 1.00 | 0.75 | 0.80 | 0.67 | 0.86 | 1.14 | 1.33 | 1.60 | 1.80 | 1.40 | 1.00 | 0.43 | 0.33 | 0.00 | 0.00 | 0.00 | 0.57 | 0.71 | 0.25 | 0.00 | 0.00 | 0.00 | 0.55 | 6.62 |
| CV | 134.71 | 183.50 | 142.40 | 142.80 | 185.14 | 164.00 | 170.57 | 181.29 | 178.17 | 186.14 | 243.75 | 231.80 | 185.33 | 170.71 | 200.29 | 174.00 | 169.40 | 174.20 | 169.20 | 171.00 | 127.86 | 168.50 | 119.17 | 111.20 | 121.17 | 145.00 | 115.43 | 111.00 | 114.17 | 100.43 | 102.83 | 157.91 | 100 |
| CVn | 43.57 | 70.50 | 59.40 | 56.20 | 73.00 | 63.50 | 67.57 | 67.86 | 61.33 | 65.86 | 87.25 | 104.00 | 82.17 | 60.00 | 102.14 | 86.17 | 94.20 | 98.20 | 102.00 | 116.80 | 115.29 | 129.67 | 80.83 | 76.00 | 79.00 | 74.57 | 56.14 | 50.25 | 49.67 | 33.29 | 26.33 | 75.25 | 47.65 |
| CVs | 91.14 | 113.00 | 83.00 | 86.60 | 112.14 | 100.50 | 103.00 | 113.43 | 116.83 | 120.29 | 156.50 | 127.80 | 103.17 | 110.71 | 98.14 | 87.83 | 75.20 | 76.00 | 67.20 | 54.20 | 12.57 | 38.83 | 38.33 | 35.20 | 42.17 | 70.43 | 59.29 | 60.75 | 64.50 | 67.14 | 76.50 | 82.66 | 52.35 |
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