Statistics of sunspot activity
May, 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 | 29 | 30 | 31 | Average | % |
| W | | 91.00 | 82.57 | 80.40 | 94.33 | 126.25 | 117.83 | 101.25 | 78.80 | 76.00 | 86.40 | 102.33 | 108.25 | 93.00 | 74.33 | 93.25 | 109.33 | 124.40 | 162.00 | 165.67 | 174.33 | 178.40 | 156.00 | 140.00 | 153.83 | 169.80 | 175.67 | 167.00 | 133.40 | 97.00 | 108.00 | 120.69 | 100 |
| Wn | | 19.20 | 13.29 | 15.60 | 11.00 | 11.50 | 20.17 | 14.75 | 13.60 | 22.25 | 22.00 | 29.33 | 33.50 | 30.67 | 24.50 | 36.50 | 56.83 | 59.40 | 91.50 | 110.50 | 109.67 | 110.00 | 87.00 | 88.00 | 98.67 | 78.00 | 55.00 | 29.00 | 19.00 | 6.00 | 23.25 | 44.66 | 37.00 |
| Ws | | 71.80 | 69.29 | 64.80 | 83.33 | 114.75 | 97.67 | 86.50 | 65.20 | 53.75 | 64.40 | 73.00 | 74.75 | 62.33 | 49.83 | 56.75 | 52.50 | 65.00 | 70.50 | 55.17 | 64.67 | 68.40 | 69.00 | 52.00 | 55.17 | 91.80 | 120.67 | 138.00 | 114.40 | 91.00 | 84.75 | 76.04 | 63.00 |
| n | | 5.20 | 3.86 | 4.40 | 5.00 | 6.25 | 5.67 | 6.25 | 4.00 | 4.75 | 5.40 | 7.67 | 8.75 | 7.33 | 5.50 | 6.25 | 7.33 | 8.80 | 10.75 | 10.33 | 10.67 | 10.40 | 8.50 | 7.50 | 8.17 | 8.00 | 7.33 | 7.50 | 7.20 | 5.75 | 6.75 | 7.04 | 100 |
| A | | 1.80 | 1.00 | 0.40 | 1.00 | 1.75 | 1.17 | 1.50 | 0.80 | 1.75 | 1.20 | 2.00 | 2.50 | 1.67 | 0.17 | 0.75 | 1.00 | 1.40 | 1.75 | 1.00 | 1.67 | 1.80 | 0.75 | 2.00 | 1.67 | 0.40 | 0.00 | 1.50 | 1.20 | 1.00 | 1.50 | 1.27 | 18.03 |
| B | | 1.20 | 0.86 | 0.40 | 0.33 | 1.00 | 0.67 | 0.75 | 0.80 | 0.00 | 0.00 | 1.00 | 1.75 | 1.33 | 1.33 | 0.00 | 0.33 | 1.20 | 1.50 | 3.00 | 3.00 | 2.00 | 2.50 | 1.50 | 1.33 | 1.40 | 0.33 | 0.00 | 0.80 | 1.00 | 1.25 | 1.09 | 15.42 |
| C | | 0.20 | 0.14 | 0.40 | 0.00 | 0.75 | 1.50 | 1.00 | 0.40 | 0.50 | 0.00 | 0.33 | 1.75 | 1.67 | 1.00 | 1.25 | 1.17 | 1.20 | 3.25 | 2.67 | 3.00 | 2.20 | 2.00 | 2.00 | 1.50 | 1.00 | 0.33 | 1.00 | 0.40 | 0.50 | 0.75 | 1.13 | 16.03 |
| D | | 0.00 | 0.00 | 0.60 | 1.67 | 1.25 | 1.17 | 1.00 | 0.60 | 0.75 | 0.40 | 0.00 | 0.25 | 0.67 | 0.50 | 1.25 | 1.83 | 1.80 | 1.00 | 0.83 | 0.33 | 0.20 | 0.00 | 0.00 | 1.50 | 3.40 | 5.33 | 3.00 | 1.80 | 0.50 | 0.75 | 1.08 | 15.33 |
| E | | 0.80 | 1.14 | 0.60 | 0.00 | 0.00 | 0.33 | 0.50 | 0.40 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | 0.83 | 1.00 | 1.00 | 1.00 | 1.00 | 0.83 | 0.40 | 0.00 | 1.00 | 1.00 | 0.25 | 0.25 | 0.44 | 6.29 |
| F | | 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 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| G | | 0.40 | 0.43 | 1.00 | 1.00 | 0.75 | 0.67 | 0.50 | 0.00 | 0.00 | 0.40 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.17 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.40 | 0.33 | 0.00 | 0.80 | 1.50 | 0.75 | 0.37 | 5.19 |
| H | | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.40 | 0.50 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 1.18 |
| I | | 0.80 | 0.14 | 1.00 | 1.00 | 0.75 | 0.17 | 1.00 | 1.00 | 1.75 | 3.00 | 3.33 | 1.75 | 2.00 | 2.50 | 3.00 | 2.50 | 2.60 | 2.00 | 1.33 | 1.67 | 3.20 | 2.25 | 1.00 | 1.17 | 1.00 | 1.00 | 1.00 | 1.20 | 1.00 | 1.50 | 1.59 | 22.54 |
| x | | 3.00 | 1.86 | 0.80 | 1.33 | 2.75 | 1.83 | 2.25 | 1.60 | 1.75 | 1.20 | 3.00 | 4.25 | 3.00 | 1.50 | 0.75 | 1.33 | 2.60 | 3.25 | 4.00 | 4.67 | 3.80 | 3.25 | 3.50 | 3.00 | 1.80 | 0.33 | 1.50 | 2.00 | 2.00 | 2.75 | 2.36 | 33.45 |
| r | | 0.20 | 0.00 | 0.00 | 0.33 | 0.25 | 0.83 | 0.50 | 0.20 | 0.50 | 0.40 | 0.33 | 0.50 | 0.33 | 0.33 | 0.50 | 0.67 | 0.20 | 1.75 | 0.33 | 0.33 | 0.80 | 1.25 | 1.00 | 0.50 | 0.00 | 1.00 | 1.00 | 0.60 | 0.25 | 1.00 | 0.53 | 7.53 |
| s | | 1.00 | 0.57 | 1.40 | 2.00 | 2.25 | 1.50 | 1.25 | 1.20 | 1.75 | 2.00 | 2.67 | 2.75 | 2.33 | 3.00 | 3.75 | 3.17 | 4.00 | 3.75 | 2.83 | 3.33 | 3.80 | 2.75 | 2.00 | 2.33 | 3.00 | 2.67 | 0.50 | 1.00 | 1.00 | 1.75 | 2.24 | 31.86 |
| a | | 0.00 | 1.00 | 1.20 | 1.00 | 0.25 | 0.67 | 1.00 | 0.00 | 0.00 | 0.60 | 1.00 | 0.75 | 1.33 | 0.67 | 1.00 | 1.83 | 1.40 | 1.25 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.50 | 3.20 | 3.00 | 2.00 | 2.00 | 1.50 | 1.00 | 1.14 | 16.17 |
| h | | 0.00 | 0.14 | 0.40 | 0.00 | 0.00 | 0.00 | 0.25 | 0.20 | 0.00 | 0.20 | 0.33 | 0.25 | 0.33 | 0.00 | 0.00 | 0.33 | 0.40 | 0.50 | 0.67 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 2.06 |
| k | | 1.00 | 0.29 | 0.60 | 0.33 | 0.75 | 0.83 | 1.00 | 0.80 | 0.75 | 1.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.20 | 0.25 | 1.50 | 1.00 | 1.00 | 0.25 | 0.00 | 0.83 | 0.00 | 0.33 | 2.50 | 1.60 | 1.00 | 0.25 | 0.63 | 8.95 |
| x | | 2.60 | 1.29 | 1.40 | 2.00 | 2.50 | 1.33 | 2.50 | 1.80 | 3.50 | 4.40 | 5.33 | 4.50 | 3.67 | 2.67 | 3.75 | 3.83 | 4.40 | 4.25 | 3.00 | 3.33 | 5.00 | 3.00 | 3.00 | 2.83 | 1.40 | 1.00 | 2.50 | 2.40 | 2.00 | 3.00 | 2.94 | 41.74 |
| o | | 1.60 | 1.43 | 2.40 | 2.33 | 2.75 | 3.33 | 3.25 | 1.40 | 0.50 | 0.60 | 2.33 | 4.00 | 3.67 | 2.33 | 2.50 | 3.17 | 3.80 | 5.75 | 6.33 | 6.33 | 4.40 | 4.50 | 3.50 | 3.83 | 5.00 | 3.67 | 2.00 | 3.00 | 3.50 | 3.50 | 3.22 | 45.78 |
| i | | 1.00 | 1.14 | 0.60 | 0.67 | 1.00 | 1.00 | 0.50 | 0.60 | 0.75 | 0.40 | 0.00 | 0.25 | 0.00 | 0.50 | 0.00 | 0.33 | 0.60 | 0.75 | 0.83 | 1.00 | 1.00 | 0.50 | 0.00 | 1.50 | 1.60 | 2.67 | 3.00 | 1.80 | 0.25 | 0.25 | 0.82 | 11.59 |
| c | | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.88 |
| CV | | 65.00 | 54.86 | 87.80 | 77.33 | 83.75 | 83.83 | 93.00 | 64.40 | 56.25 | 79.80 | 75.00 | 71.25 | 62.33 | 47.00 | 72.00 | 90.00 | 106.80 | 116.00 | 147.83 | 117.67 | 105.60 | 75.50 | 63.00 | 104.50 | 117.40 | 143.33 | 161.00 | 130.20 | 85.50 | 64.50 | 90.08 | 100 |
| CVn | | 8.80 | 8.29 | 10.00 | 10.00 | 10.25 | 11.50 | 18.25 | 10.40 | 18.00 | 24.80 | 21.67 | 28.00 | 25.67 | 20.67 | 33.75 | 54.00 | 64.20 | 59.25 | 104.17 | 89.33 | 69.00 | 48.25 | 46.50 | 74.17 | 48.00 | 47.33 | 46.50 | 10.00 | 1.00 | 9.25 | 34.37 | 38.15 |
| CVs | | 56.20 | 46.57 | 77.80 | 67.33 | 73.50 | 72.33 | 74.75 | 54.00 | 38.25 | 55.00 | 53.33 | 43.25 | 36.67 | 26.33 | 38.25 | 36.00 | 42.60 | 56.75 | 43.67 | 28.33 | 36.60 | 27.25 | 16.50 | 30.33 | 69.40 | 96.00 | 114.50 | 120.20 | 84.50 | 55.25 | 55.72 | 61.85 |
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