Statistics of sunspot activity
February, 1982
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 | Average | % |
| W | 410.00 | 235.67 | 281.33 | 243.00 | 230.33 | 244.00 | 261.75 | 285.00 | 229.00 | 209.00 | 191.20 | 166.00 | 187.67 | 175.33 | 165.60 | 124.50 | 137.25 | 131.60 | 138.00 | 169.60 | 172.67 | 130.20 | 129.75 | 138.60 | 169.75 | 185.67 | 197.20 | 221.50 | 198.61 | 100 |
| Wn | 164.00 | 97.33 | 105.33 | 68.75 | 73.33 | 71.50 | 58.00 | 76.00 | 76.60 | 52.20 | 49.80 | 45.00 | 57.33 | 66.00 | 85.20 | 82.75 | 114.00 | 106.00 | 108.75 | 140.20 | 129.33 | 85.80 | 86.75 | 83.60 | 109.00 | 108.67 | 91.40 | 96.75 | 88.91 | 44.76 |
| Ws | 246.00 | 138.33 | 176.00 | 174.25 | 157.00 | 172.50 | 203.75 | 209.00 | 152.40 | 156.80 | 141.40 | 121.00 | 130.33 | 109.33 | 80.40 | 41.75 | 23.25 | 25.60 | 29.25 | 29.40 | 43.33 | 44.40 | 43.00 | 55.00 | 60.75 | 77.00 | 105.80 | 124.75 | 109.71 | 55.24 |
| n | 16.00 | 12.33 | 14.33 | 13.25 | 12.33 | 12.50 | 13.00 | 15.50 | 14.00 | 11.80 | 9.20 | 8.20 | 8.00 | 8.33 | 9.80 | 8.75 | 8.50 | 7.20 | 6.75 | 8.20 | 9.67 | 9.20 | 9.50 | 10.60 | 11.75 | 12.33 | 12.20 | 11.00 | 10.87 | 100 |
| A | 1.00 | 0.00 | 1.67 | 1.50 | 1.33 | 0.50 | 1.50 | 1.00 | 2.60 | 3.20 | 2.60 | 0.60 | 0.00 | 0.33 | 0.40 | 0.00 | 0.50 | 0.80 | 0.50 | 1.40 | 2.33 | 1.00 | 1.50 | 0.40 | 0.00 | 0.33 | 1.40 | 0.75 | 1.04 | 9.58 |
| B | 3.00 | 1.33 | 2.00 | 1.50 | 0.67 | 1.50 | 2.00 | 1.50 | 1.80 | 1.20 | 0.80 | 1.60 | 0.33 | 1.00 | 1.60 | 1.25 | 0.50 | 1.00 | 1.00 | 0.40 | 0.33 | 1.00 | 0.75 | 1.00 | 2.00 | 2.00 | 1.40 | 0.50 | 1.25 | 11.49 |
| C | 3.00 | 2.67 | 2.00 | 2.50 | 3.33 | 4.50 | 2.25 | 3.50 | 1.40 | 2.40 | 1.60 | 1.20 | 2.00 | 0.67 | 3.00 | 1.25 | 0.75 | 1.20 | 1.25 | 2.00 | 1.00 | 0.80 | 0.50 | 1.80 | 3.75 | 2.67 | 4.00 | 3.00 | 2.14 | 19.72 |
| D | 4.00 | 4.33 | 5.00 | 3.25 | 2.00 | 2.50 | 1.50 | 2.00 | 3.20 | 0.80 | 0.60 | 0.80 | 2.33 | 4.00 | 2.80 | 2.50 | 2.25 | 0.80 | 1.00 | 1.80 | 1.33 | 1.80 | 2.50 | 2.00 | 3.25 | 3.33 | 2.40 | 1.50 | 2.34 | 21.56 |
| E | 0.00 | 0.33 | 0.67 | 1.00 | 0.67 | 0.00 | 0.00 | 1.00 | 0.00 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 0.75 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 1.75 | 0.30 | 2.73 |
| F | 2.00 | 1.33 | 1.00 | 1.00 | 1.67 | 0.50 | 0.50 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.67 | 1.00 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.58 | 5.31 |
| G | 1.00 | 1.00 | 1.00 | 1.00 | 2.33 | 2.00 | 2.00 | 0.00 | 0.40 | 0.20 | 0.00 | 0.40 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.25 | 0.60 | 0.67 | 1.00 | 0.75 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 5.15 |
| H | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.60 | 0.40 | 0.60 | 0.40 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.40 | 0.00 | 0.20 | 0.25 | 0.20 | 0.25 | 1.67 | 0.00 | 0.00 | 0.26 | 2.37 |
| I | 2.00 | 1.33 | 1.00 | 1.50 | 0.33 | 1.00 | 2.75 | 5.50 | 3.00 | 2.40 | 2.00 | 2.00 | 1.00 | 1.33 | 1.00 | 3.25 | 4.50 | 2.40 | 1.25 | 1.40 | 3.67 | 3.40 | 3.25 | 5.00 | 2.50 | 2.33 | 2.60 | 3.50 | 2.40 | 22.09 |
| x | 4.00 | 1.33 | 3.67 | 3.00 | 2.00 | 2.00 | 3.50 | 2.50 | 4.40 | 4.40 | 3.40 | 2.20 | 0.33 | 1.33 | 2.00 | 1.25 | 1.00 | 1.80 | 1.50 | 1.80 | 2.67 | 2.00 | 2.25 | 1.40 | 2.00 | 2.33 | 2.80 | 1.25 | 2.29 | 21.07 |
| r | 2.00 | 0.67 | 1.67 | 0.75 | 1.33 | 0.00 | 0.50 | 1.00 | 0.80 | 0.60 | 0.40 | 0.00 | 0.67 | 0.00 | 0.40 | 0.50 | 1.00 | 0.60 | 0.00 | 0.80 | 0.00 | 0.20 | 1.00 | 1.80 | 1.00 | 0.00 | 1.00 | 0.75 | 0.69 | 6.39 |
| s | 4.00 | 5.00 | 5.33 | 3.50 | 3.67 | 1.50 | 3.75 | 5.50 | 3.80 | 2.60 | 2.00 | 1.60 | 2.00 | 3.67 | 3.40 | 3.25 | 4.00 | 2.60 | 1.50 | 2.40 | 3.00 | 3.40 | 4.25 | 5.60 | 4.00 | 4.00 | 4.80 | 4.75 | 3.53 | 32.50 |
| a | 2.00 | 3.33 | 1.00 | 3.75 | 2.67 | 4.50 | 2.50 | 5.00 | 3.40 | 1.20 | 0.60 | 1.00 | 1.00 | 1.00 | 1.80 | 2.00 | 1.50 | 0.60 | 1.00 | 1.20 | 3.33 | 2.40 | 1.00 | 1.40 | 2.50 | 1.67 | 1.40 | 2.00 | 2.03 | 18.65 |
| h | 2.00 | 0.67 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.60 | 0.60 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.20 | 0.25 | 0.00 | 0.25 | 1.00 | 0.60 | 0.75 | 0.33 | 3.02 |
| k | 2.00 | 1.33 | 1.67 | 1.75 | 2.67 | 4.50 | 2.75 | 1.50 | 1.60 | 2.80 | 2.20 | 2.80 | 3.67 | 2.33 | 2.20 | 1.75 | 1.00 | 1.60 | 2.50 | 2.00 | 0.67 | 1.00 | 0.75 | 0.40 | 2.00 | 3.33 | 1.60 | 1.50 | 2.00 | 18.36 |
| x | 3.00 | 1.33 | 2.67 | 3.00 | 1.67 | 1.50 | 4.75 | 6.50 | 6.20 | 6.00 | 5.20 | 3.00 | 2.00 | 1.67 | 1.40 | 3.25 | 5.00 | 3.20 | 2.50 | 3.20 | 6.00 | 4.60 | 5.00 | 5.60 | 2.75 | 4.33 | 4.00 | 4.25 | 3.70 | 34.04 |
| o | 9.00 | 8.67 | 9.00 | 7.25 | 8.33 | 9.50 | 7.75 | 7.00 | 6.20 | 4.20 | 2.20 | 3.20 | 4.33 | 4.67 | 6.80 | 3.75 | 2.00 | 2.60 | 2.75 | 4.00 | 2.33 | 3.60 | 3.50 | 4.80 | 8.50 | 6.67 | 6.40 | 4.25 | 5.47 | 50.37 |
| i | 3.00 | 2.00 | 2.00 | 3.00 | 2.00 | 1.00 | 0.25 | 1.00 | 0.60 | 0.40 | 1.20 | 1.40 | 0.67 | 0.33 | 0.80 | 1.00 | 1.50 | 1.40 | 1.00 | 0.60 | 0.67 | 0.20 | 0.75 | 0.00 | 0.50 | 1.33 | 1.80 | 2.25 | 1.17 | 10.73 |
| c | 1.00 | 0.33 | 0.67 | 0.00 | 0.33 | 0.50 | 0.25 | 1.00 | 1.00 | 1.20 | 0.60 | 0.60 | 1.00 | 1.67 | 0.80 | 0.75 | 0.00 | 0.00 | 0.50 | 0.40 | 0.67 | 0.80 | 0.25 | 0.20 | 0.00 | 0.00 | 0.00 | 0.25 | 0.53 | 4.85 |
| CV | 324.00 | 251.67 | 283.33 | 238.75 | 247.67 | 273.50 | 215.00 | 218.50 | 200.20 | 192.00 | 162.20 | 185.20 | 226.00 | 207.00 | 186.20 | 155.50 | 118.50 | 114.20 | 150.25 | 142.80 | 117.00 | 139.20 | 134.75 | 118.00 | 187.00 | 264.00 | 181.80 | 192.50 | 193.81 | 100 |
| CVn | 150.00 | 110.00 | 114.33 | 81.25 | 86.00 | 111.00 | 61.75 | 56.50 | 63.20 | 40.40 | 40.40 | 62.80 | 96.67 | 88.00 | 93.60 | 95.00 | 101.25 | 97.60 | 120.50 | 113.00 | 92.33 | 99.60 | 90.25 | 70.00 | 99.75 | 116.33 | 88.20 | 84.25 | 90.14 | 46.51 |
| CVs | 174.00 | 141.67 | 169.00 | 157.50 | 161.67 | 162.50 | 153.25 | 162.00 | 137.00 | 151.60 | 121.80 | 122.40 | 129.33 | 119.00 | 92.60 | 60.50 | 17.25 | 16.60 | 29.75 | 29.80 | 24.67 | 39.60 | 44.50 | 48.00 | 87.25 | 147.67 | 93.60 | 108.25 | 103.67 | 53.49 |
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