Statistics of sunspot activity
February, 1995
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 | 46.00 | 63.80 | 67.00 | 57.00 | 68.75 | 54.75 | 23.20 | 18.20 | 27.25 | 40.67 | 24.40 | 21.60 | 25.67 | 32.33 | 46.50 | 29.50 | 53.75 | 51.00 | 71.75 | 75.75 | 71.00 | 70.00 | 65.33 | 43.00 | 40.33 | 42.00 | 54.67 | 65.33 | 48.23 | 100 |
Wn | 0.00 | 0.00 | 0.00 | 0.00 | 14.50 | 12.75 | 0.00 | 2.20 | 11.25 | 16.67 | 12.20 | 11.80 | 13.33 | 25.00 | 25.50 | 14.50 | 24.50 | 17.00 | 30.00 | 28.00 | 24.25 | 16.00 | 21.00 | 16.33 | 16.33 | 13.33 | 0.00 | 0.00 | 13.09 | 27.13 |
Ws | 46.00 | 63.80 | 67.00 | 57.00 | 54.25 | 42.00 | 23.20 | 16.00 | 16.00 | 24.00 | 12.20 | 9.80 | 12.33 | 7.33 | 21.00 | 15.00 | 29.25 | 34.00 | 41.75 | 47.75 | 46.75 | 54.00 | 44.33 | 26.67 | 24.00 | 28.67 | 54.67 | 65.33 | 35.15 | 72.87 |
n | 2.60 | 4.00 | 4.00 | 3.50 | 3.50 | 3.00 | 1.00 | 1.20 | 2.25 | 3.33 | 2.00 | 1.80 | 2.00 | 2.67 | 3.75 | 2.50 | 3.75 | 3.50 | 4.25 | 4.00 | 3.50 | 4.00 | 4.00 | 3.33 | 3.00 | 3.00 | 3.00 | 3.33 | 3.06 | 100 |
A | 0.60 | 0.40 | 0.50 | 0.50 | 0.75 | 0.00 | 0.00 | 0.20 | 0.75 | 1.67 | 0.60 | 0.40 | 0.00 | 0.00 | 0.75 | 0.25 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.25 | 0.00 | 1.33 | 1.00 | 0.33 | 1.00 | 0.33 | 0.43 | 14.13 |
B | 0.60 | 2.40 | 1.75 | 1.00 | 1.00 | 2.00 | 0.00 | 0.00 | 0.25 | 0.33 | 0.40 | 0.40 | 1.00 | 1.00 | 1.00 | 0.75 | 1.50 | 0.25 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 1.00 | 0.62 | 20.37 |
C | 0.60 | 0.80 | 0.75 | 0.00 | 0.75 | 0.75 | 0.40 | 0.40 | 0.25 | 1.00 | 1.00 | 0.40 | 0.67 | 0.00 | 1.00 | 0.25 | 0.25 | 0.50 | 0.75 | 0.50 | 0.50 | 1.00 | 1.67 | 1.00 | 1.00 | 2.00 | 1.00 | 0.67 | 0.71 | 23.14 |
D | 0.40 | 0.40 | 1.00 | 1.50 | 0.50 | 0.25 | 0.60 | 0.40 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.75 | 1.00 | 0.50 | 0.50 | 0.75 | 0.33 | 0.00 | 0.33 | 0.33 | 1.00 | 0.67 | 0.42 | 13.76 |
E | 0.20 | 0.00 | 0.00 | 0.00 | 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 | 0.00 | 0.00 | 0.75 | 1.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.12 | 3.83 |
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 |
G | 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 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.82 |
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 |
I | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.20 | 1.00 | 0.00 | 0.00 | 0.60 | 0.33 | 1.67 | 0.75 | 1.25 | 1.75 | 1.75 | 1.75 | 2.00 | 1.50 | 1.50 | 2.00 | 1.00 | 0.67 | 0.00 | 0.00 | 0.33 | 0.73 | 23.96 |
x | 1.20 | 2.80 | 2.25 | 1.50 | 1.75 | 2.00 | 0.00 | 0.20 | 1.00 | 2.00 | 1.00 | 0.80 | 1.00 | 1.00 | 1.75 | 1.00 | 1.50 | 0.50 | 0.50 | 0.25 | 0.00 | 0.25 | 0.00 | 1.33 | 1.00 | 0.67 | 1.00 | 1.33 | 1.06 | 34.49 |
r | 0.40 | 0.00 | 0.75 | 1.00 | 0.75 | 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 | 0.25 | 0.00 | 0.25 | 0.25 | 1.00 | 0.67 | 0.67 | 0.00 | 0.00 | 0.33 | 0.24 | 7.75 |
s | 0.20 | 1.00 | 0.75 | 0.50 | 0.75 | 1.00 | 0.40 | 0.20 | 1.25 | 1.00 | 0.80 | 1.00 | 1.00 | 1.67 | 1.75 | 1.25 | 1.75 | 2.25 | 2.50 | 1.75 | 1.00 | 2.25 | 1.33 | 0.67 | 1.33 | 1.33 | 1.00 | 0.33 | 1.14 | 37.33 |
a | 0.80 | 0.20 | 0.25 | 0.50 | 0.25 | 0.00 | 0.60 | 0.80 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.50 | 0.75 | 1.00 | 2.00 | 2.25 | 1.25 | 1.67 | 0.67 | 0.00 | 1.00 | 1.00 | 1.33 | 0.63 | 20.42 |
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 | 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 |
x | 0.60 | 0.40 | 0.50 | 1.00 | 0.75 | 0.00 | 0.00 | 0.40 | 1.75 | 1.67 | 0.60 | 1.00 | 0.33 | 1.67 | 1.50 | 1.50 | 1.75 | 2.00 | 2.00 | 2.00 | 1.50 | 1.75 | 2.00 | 2.33 | 1.67 | 0.33 | 1.00 | 0.67 | 1.17 | 38.09 |
o | 1.60 | 2.80 | 2.50 | 1.50 | 1.75 | 2.50 | 0.80 | 0.80 | 0.50 | 1.67 | 1.40 | 0.80 | 1.67 | 1.00 | 2.25 | 1.00 | 1.75 | 1.25 | 1.75 | 1.00 | 1.00 | 1.50 | 1.67 | 1.00 | 1.33 | 2.67 | 1.67 | 2.00 | 1.54 | 50.27 |
i | 0.40 | 0.80 | 1.00 | 1.00 | 0.75 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.25 | 0.50 | 0.75 | 1.00 | 0.75 | 0.33 | 0.00 | 0.00 | 0.00 | 0.33 | 0.67 | 0.34 | 11.06 |
c | 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 | 0.00 | 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 | 0.02 | 0.58 |
CV | 23.40 | 25.00 | 29.00 | 36.00 | 35.75 | 19.50 | 17.60 | 13.60 | 14.00 | 17.67 | 11.80 | 11.60 | 12.67 | 18.67 | 27.00 | 16.25 | 28.00 | 39.00 | 52.75 | 54.25 | 49.25 | 52.00 | 34.00 | 16.33 | 23.00 | 28.33 | 33.00 | 31.33 | 27.53 | 100 |
CVn | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | 2.00 | 0.00 | 0.20 | 10.25 | 11.33 | 10.40 | 10.40 | 10.67 | 12.00 | 12.50 | 8.50 | 12.00 | 10.75 | 25.25 | 21.50 | 18.50 | 10.75 | 9.67 | 7.00 | 11.67 | 9.33 | 0.00 | 0.00 | 8.15 | 29.60 |
CVs | 23.40 | 25.00 | 29.00 | 36.00 | 32.25 | 17.50 | 17.60 | 13.40 | 3.75 | 6.33 | 1.40 | 1.20 | 2.00 | 6.67 | 14.50 | 7.75 | 16.00 | 28.25 | 27.50 | 32.75 | 30.75 | 41.25 | 24.33 | 9.33 | 11.33 | 19.00 | 33.00 | 31.33 | 19.38 | 70.40 |
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