Statistics of sunspot activity
May, 1994
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 | 52.00 | 64.20 | 43.75 | 25.00 | 15.00 | 37.25 | 28.00 | 37.75 | 21.33 | 24.00 | 29.17 | 36.40 | 46.80 | 49.80 | 44.80 | 50.00 | 63.00 | 56.50 | 48.20 | 34.50 | 37.40 | 31.00 | 29.75 | 11.33 | 12.00 | 11.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 30.32 | 100 |
| Wn | 17.60 | 45.60 | 28.50 | 12.20 | 0.00 | 9.25 | 2.75 | 3.25 | 0.00 | 0.00 | 8.33 | 27.40 | 39.80 | 45.20 | 40.40 | 47.80 | 58.40 | 56.50 | 48.20 | 34.50 | 35.20 | 31.00 | 27.00 | 11.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 20.33 | 67.05 |
| Ws | 34.40 | 18.60 | 15.25 | 12.80 | 15.00 | 28.00 | 25.25 | 34.50 | 21.33 | 24.00 | 20.83 | 9.00 | 7.00 | 4.60 | 4.40 | 2.20 | 4.60 | 0.00 | 0.00 | 0.00 | 2.20 | 0.00 | 2.75 | 0.00 | 12.00 | 11.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.99 | 32.95 |
| n | 4.00 | 4.20 | 3.25 | 2.00 | 1.00 | 2.50 | 1.50 | 2.50 | 1.33 | 1.67 | 2.33 | 2.60 | 3.40 | 3.60 | 3.20 | 3.40 | 4.20 | 3.00 | 2.40 | 2.00 | 2.20 | 2.00 | 2.25 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.05 | 100 |
| A | 1.20 | 1.00 | 1.25 | 0.80 | 0.00 | 0.75 | 0.50 | 0.75 | 0.33 | 0.33 | 0.67 | 1.00 | 1.00 | 1.60 | 1.20 | 1.20 | 1.80 | 0.50 | 0.40 | 0.00 | 0.20 | 0.00 | 0.25 | 0.67 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.61 | 29.75 |
| B | 2.00 | 1.80 | 0.25 | 1.20 | 1.00 | 1.75 | 0.25 | 1.00 | 0.33 | 1.00 | 1.00 | 0.20 | 0.40 | 0.00 | 0.00 | 0.20 | 0.60 | 0.50 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.47 | 22.80 |
| C | 0.60 | 1.20 | 0.75 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.67 | 0.33 | 0.17 | 0.20 | 0.20 | 0.40 | 1.00 | 0.40 | 0.40 | 0.50 | 0.00 | 0.50 | 0.40 | 1.50 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.34 | 16.47 |
| D | 0.20 | 0.20 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.00 | 0.00 | 0.33 | 1.20 | 1.80 | 1.60 | 0.80 | 0.80 | 1.00 | 1.25 | 1.40 | 0.50 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 21.07 |
| E | 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 | 0.00 |
| 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 | 0.00 |
| G | 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 | 0.00 |
| H | 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 | 0.20 | 0.25 | 0.60 | 1.00 | 0.80 | 0.25 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 6.58 |
| I | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.00 | 0.20 | 0.80 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 3.33 |
| x | 3.20 | 2.80 | 1.50 | 2.00 | 1.00 | 2.50 | 0.75 | 1.75 | 0.67 | 1.33 | 1.67 | 1.20 | 1.40 | 1.60 | 1.20 | 1.40 | 2.40 | 1.00 | 0.40 | 0.00 | 0.20 | 0.25 | 0.50 | 0.67 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.08 | 52.54 |
| r | 0.40 | 1.20 | 1.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.17 | 0.20 | 0.20 | 0.40 | 0.60 | 0.80 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 11.12 |
| s | 0.40 | 0.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.25 | 0.50 | 0.67 | 0.33 | 0.17 | 0.20 | 0.40 | 0.40 | 0.20 | 0.40 | 0.00 | 0.50 | 0.80 | 1.00 | 0.80 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 12.62 |
| a | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.40 | 1.00 | 0.40 | 0.40 | 0.00 | 0.20 | 0.50 | 0.20 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 6.30 |
| h | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.20 | 0.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 2.26 |
| k | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.20 | 0.80 | 0.40 | 0.80 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 15.16 |
| x | 1.20 | 1.00 | 1.75 | 0.80 | 0.00 | 0.75 | 0.50 | 0.75 | 0.33 | 0.33 | 0.83 | 1.00 | 1.00 | 1.60 | 1.40 | 2.00 | 2.20 | 0.75 | 1.00 | 1.00 | 1.00 | 0.25 | 1.25 | 1.00 | 0.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.81 | 39.66 |
| o | 2.80 | 3.00 | 1.50 | 1.20 | 1.00 | 1.75 | 1.00 | 1.75 | 1.00 | 1.33 | 1.50 | 1.60 | 2.00 | 1.60 | 1.80 | 1.40 | 2.00 | 2.00 | 1.20 | 1.00 | 1.20 | 1.50 | 1.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.18 | 57.66 |
| i | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.40 | 0.00 | 0.00 | 0.00 | 0.25 | 0.20 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 2.36 |
| 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 | 0.20 | 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 | 0.01 | 0.31 |
| CV | 14.40 | 15.00 | 20.00 | 3.20 | 2.00 | 4.25 | 12.50 | 16.50 | 8.33 | 6.00 | 21.50 | 40.80 | 52.00 | 56.40 | 48.00 | 43.60 | 51.40 | 61.75 | 64.20 | 55.00 | 58.40 | 44.50 | 42.25 | 13.00 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 24.43 | 100 |
| CVn | 4.40 | 11.60 | 17.50 | 1.40 | 0.00 | 1.00 | 0.25 | 0.50 | 0.00 | 0.00 | 18.17 | 40.00 | 51.00 | 56.00 | 47.60 | 43.40 | 51.00 | 61.75 | 64.20 | 55.00 | 58.20 | 44.50 | 42.00 | 13.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 22.02 | 90.10 |
| CVs | 10.00 | 3.40 | 2.50 | 1.80 | 2.00 | 3.25 | 12.25 | 16.00 | 8.33 | 6.00 | 3.33 | 0.80 | 1.00 | 0.40 | 0.40 | 0.20 | 0.40 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.25 | 0.00 | 1.50 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.42 | 9.90 |
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