Statistics of sunspot activity
February, 2015
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 | 115.33 | 102.00 | 79.50 | 88.75 | 81.00 | 89.50 | 72.33 | 96.67 | 90.00 | 77.00 | 59.00 | 38.67 | 62.67 | 50.00 | 58.50 | 44.75 | 46.67 | 78.00 | 84.33 | 55.50 | 65.25 | 51.33 | 50.50 | 50.00 | 50.67 | 28.50 | 53.33 | 59.50 | 67.12 | 100 |
Wn | 75.33 | 66.00 | 48.00 | 59.50 | 42.67 | 46.00 | 42.67 | 50.00 | 59.33 | 56.33 | 40.67 | 26.00 | 43.33 | 46.00 | 31.00 | 26.50 | 31.00 | 42.67 | 49.33 | 30.50 | 37.00 | 36.33 | 31.00 | 31.40 | 31.67 | 20.75 | 31.67 | 34.50 | 41.68 | 62.11 |
Ws | 40.00 | 36.00 | 31.50 | 29.25 | 38.33 | 43.50 | 29.67 | 46.67 | 30.67 | 20.67 | 18.33 | 12.67 | 19.33 | 4.00 | 27.50 | 18.25 | 15.67 | 35.33 | 35.00 | 25.00 | 28.25 | 15.00 | 19.50 | 18.60 | 19.00 | 7.75 | 21.67 | 25.00 | 25.43 | 37.89 |
n | 5.33 | 4.67 | 3.50 | 4.00 | 3.00 | 4.75 | 3.33 | 4.67 | 5.33 | 4.33 | 3.00 | 2.33 | 4.67 | 3.00 | 4.00 | 3.25 | 3.67 | 6.00 | 6.00 | 4.00 | 4.75 | 4.00 | 3.50 | 3.20 | 3.33 | 1.75 | 3.00 | 3.50 | 3.92 | 100 |
A | 0.67 | 1.00 | 0.50 | 1.00 | 0.00 | 1.25 | 0.00 | 0.67 | 1.00 | 0.00 | 0.33 | 0.00 | 0.67 | 1.00 | 0.50 | 1.75 | 1.67 | 2.00 | 1.67 | 1.00 | 0.75 | 1.67 | 1.00 | 0.60 | 2.00 | 0.50 | 0.00 | 1.00 | 0.86 | 22.01 |
B | 0.33 | 0.67 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.33 | 0.33 | 0.67 | 0.33 | 1.67 | 1.00 | 1.50 | 0.00 | 0.33 | 0.67 | 1.00 | 0.50 | 1.50 | 0.67 | 0.50 | 1.80 | 0.33 | 0.50 | 1.67 | 1.00 | 0.64 | 16.20 |
C | 0.33 | 0.67 | 1.00 | 1.25 | 0.67 | 1.25 | 0.67 | 0.67 | 1.00 | 1.67 | 0.00 | 0.67 | 0.67 | 1.00 | 1.50 | 1.25 | 0.67 | 1.67 | 1.00 | 1.50 | 0.75 | 1.33 | 1.00 | 0.20 | 0.67 | 0.25 | 0.33 | 0.50 | 0.86 | 21.95 |
D | 0.33 | 0.67 | 0.75 | 0.75 | 0.67 | 0.50 | 1.33 | 1.67 | 0.67 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 1.00 | 1.00 | 1.50 | 0.33 | 1.00 | 0.60 | 0.33 | 0.50 | 1.00 | 1.00 | 0.60 | 15.41 |
E | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.33 | 0.67 | 0.67 | 1.00 | 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 | 0.13 | 3.19 |
F | 1.00 | 0.67 | 0.75 | 1.00 | 1.00 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 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 | 0.21 | 5.31 |
G | 1.00 | 0.33 | 0.25 | 0.00 | 0.33 | 0.25 | 0.33 | 0.33 | 0.00 | 0.67 | 0.00 | 0.33 | 0.33 | 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 | 0.15 | 3.79 |
H | 0.33 | 0.33 | 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 | 0.02 | 0.61 |
I | 1.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.00 | 1.67 | 1.00 | 0.00 | 0.67 | 1.33 | 0.00 | 0.50 | 0.25 | 1.00 | 1.33 | 1.33 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.45 | 11.53 |
x | 1.00 | 1.67 | 0.75 | 1.00 | 0.00 | 1.50 | 0.00 | 0.67 | 1.33 | 0.33 | 1.00 | 0.33 | 2.33 | 2.00 | 2.00 | 1.75 | 2.00 | 2.67 | 2.67 | 1.50 | 2.25 | 2.33 | 1.50 | 2.40 | 2.33 | 1.00 | 1.67 | 2.00 | 1.50 | 38.21 |
r | 0.33 | 0.33 | 0.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.50 | 0.25 | 0.00 | 0.67 | 0.33 | 0.00 | 0.00 | 0.67 | 1.00 | 0.20 | 0.33 | 0.00 | 0.00 | 0.00 | 0.21 | 5.34 |
s | 2.00 | 1.33 | 0.75 | 0.75 | 0.00 | 0.75 | 1.00 | 1.67 | 2.00 | 2.67 | 0.67 | 1.67 | 1.67 | 0.33 | 1.00 | 0.50 | 0.67 | 1.67 | 2.33 | 1.50 | 1.00 | 0.00 | 0.50 | 0.40 | 0.00 | 0.25 | 0.00 | 0.00 | 0.97 | 24.64 |
a | 1.00 | 0.33 | 1.25 | 2.25 | 3.00 | 2.25 | 1.67 | 2.00 | 1.33 | 1.33 | 1.33 | 0.33 | 0.33 | 0.67 | 0.50 | 0.75 | 1.00 | 1.00 | 0.67 | 1.00 | 1.50 | 1.00 | 0.50 | 0.20 | 0.67 | 0.50 | 1.00 | 1.50 | 1.10 | 28.09 |
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 | 0.00 | 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 |
k | 1.00 | 1.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.33 | 0.33 | 0.33 | 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 | 0.33 | 0.00 | 0.15 | 3.72 |
x | 2.33 | 1.67 | 0.50 | 1.00 | 0.00 | 1.25 | 0.67 | 1.67 | 2.67 | 1.00 | 0.33 | 0.67 | 2.00 | 1.00 | 1.00 | 2.00 | 2.67 | 3.33 | 3.00 | 1.00 | 1.00 | 1.67 | 1.00 | 0.60 | 2.00 | 0.50 | 0.00 | 1.00 | 1.34 | 34.15 |
o | 1.67 | 1.67 | 2.00 | 1.50 | 1.33 | 1.75 | 1.00 | 1.00 | 1.00 | 2.00 | 1.00 | 1.00 | 2.67 | 1.33 | 3.00 | 1.25 | 1.00 | 2.67 | 2.33 | 2.50 | 3.75 | 2.00 | 2.50 | 2.40 | 1.33 | 1.25 | 2.00 | 1.50 | 1.80 | 45.87 |
i | 0.67 | 1.00 | 1.00 | 1.00 | 0.67 | 0.75 | 0.67 | 0.67 | 0.33 | 0.67 | 1.67 | 0.33 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.50 | 0.00 | 0.33 | 0.00 | 0.20 | 0.00 | 0.00 | 0.33 | 0.50 | 0.44 | 11.18 |
c | 0.67 | 0.33 | 0.00 | 0.50 | 1.00 | 1.00 | 1.00 | 1.33 | 1.33 | 0.67 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.50 | 0.35 | 8.80 |
CV | 107.00 | 83.33 | 70.00 | 58.50 | 65.67 | 68.75 | 74.33 | 89.33 | 76.67 | 66.33 | 49.00 | 34.67 | 30.33 | 12.67 | 20.50 | 14.25 | 16.67 | 35.33 | 50.33 | 42.00 | 44.50 | 18.33 | 29.00 | 18.00 | 13.33 | 14.50 | 42.00 | 33.50 | 45.67 | 100 |
CVn | 79.33 | 46.33 | 35.50 | 41.50 | 31.00 | 38.25 | 42.33 | 49.33 | 36.67 | 44.33 | 33.00 | 25.33 | 23.00 | 12.33 | 11.50 | 12.00 | 15.00 | 21.33 | 31.00 | 24.50 | 23.00 | 17.00 | 27.00 | 15.80 | 11.67 | 13.75 | 23.67 | 21.00 | 28.80 | 63.06 |
CVs | 27.67 | 37.00 | 34.50 | 17.00 | 34.67 | 30.50 | 32.00 | 40.00 | 40.00 | 22.00 | 16.00 | 9.33 | 7.33 | 0.33 | 9.00 | 2.25 | 1.67 | 14.00 | 19.33 | 17.50 | 21.50 | 1.33 | 2.00 | 2.20 | 1.67 | 0.75 | 18.33 | 12.50 | 16.87 | 36.94 |
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