Statistics of sunspot activity
Solar activity in 1992
Visual indices of solar activity by National Geophysical Data Center
  | Average by |
monthIIIIII
IVVVI
VIIVIIIIX
XXIXIIdaysmonths | | | | | | | | | | | | | | |
N | 31 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 30.50 | 30.50 |
W | 203.14 | 223.03 | 148.44 | 132.31 | 98.68 | 99.23 | 111.91 | 86.68 | 86.60 | 126.50 | 116.25 | 116.42 | 128.81 | 129.10 |
Wn | 66.70 | 93.13 | 60.14 | 35.62 | 31.63 | 65.39 | 50.92 | 44.98 | 33.51 | 52.03 | 30.47 | 32.33 | 49.59 | 49.74 |
Ws | 136.44 | 129.90 | 88.30 | 96.69 | 67.06 | 33.84 | 60.99 | 41.70 | 53.09 | 74.47 | 85.79 | 84.09 | 79.22 | 79.36 |
n | 10.46 | 10.90 | 8.84 | 6.74 | 5.99 | 6.20 | 5.68 | 4.55 | 5.22 | 6.80 | 6.44 | 6.91 | 7.05 | 7.06 |
A | 1.57 | 1.40 | 1.34 | 0.74 | 1.37 | 1.27 | 0.83 | 0.47 | 0.85 | 0.88 | 0.70 | 0.82 | 1.02 | 1.02 |
B | 1.40 | 1.58 | 1.44 | 0.83 | 1.27 | 1.38 | 1.11 | 0.95 | 0.78 | 0.90 | 0.83 | 0.66 | 1.09 | 1.09 |
C | 2.11 | 2.19 | 1.52 | 1.38 | 0.75 | 1.27 | 1.20 | 1.05 | 1.23 | 1.46 | 1.19 | 1.52 | 1.40 | 1.41 |
D | 1.62 | 2.16 | 1.79 | 1.79 | 1.18 | 1.11 | 0.89 | 0.96 | 0.89 | 1.54 | 1.56 | 1.41 | 1.41 | 1.41 |
E | 0.60 | 0.75 | 0.19 | 0.30 | 0.24 | 0.21 | 0.33 | 0.22 | 0.21 | 0.36 | 0.28 | 0.24 | 0.32 | 0.33 |
F | 0.33 | 0.61 | 0.13 | 0.04 | 0.00 | 0.03 | 0.42 | 0.02 | 0.02 | 0.09 | 0.03 | 0.02 | 0.15 | 0.15 |
G | 1.21 | 0.71 | 0.25 | 0.77 | 0.10 | 0.23 | 0.19 | 0.33 | 0.19 | 0.20 | 0.92 | 0.27 | 0.45 | 0.45 |
H | 0.19 | 0.05 | 0.05 | 0.11 | 0.00 | 0.05 | 0.03 | 0.02 | 0.14 | 0.13 | 0.00 | 0.01 | 0.07 | 0.06 |
I | 1.43 | 1.43 | 2.12 | 0.77 | 1.08 | 0.65 | 0.69 | 0.54 | 0.91 | 1.24 | 0.93 | 1.97 | 1.14 | 1.15 |
x | 2.97 | 2.98 | 2.78 | 1.58 | 2.63 | 2.65 | 1.93 | 1.42 | 1.63 | 1.78 | 1.53 | 1.48 | 2.11 | 2.12 |
r | 0.36 | 0.33 | 0.36 | 0.27 | 0.27 | 0.26 | 0.27 | 0.30 | 0.23 | 0.23 | 0.15 | 0.39 | 0.28 | 0.29 |
s | 1.82 | 2.44 | 2.80 | 1.70 | 1.15 | 1.68 | 1.32 | 0.86 | 1.51 | 2.03 | 1.48 | 2.40 | 1.77 | 1.77 |
a | 3.40 | 2.75 | 2.30 | 2.38 | 1.60 | 1.26 | 1.33 | 1.19 | 1.38 | 1.76 | 2.38 | 2.18 | 1.99 | 1.99 |
h | 0.43 | 0.26 | 0.05 | 0.17 | 0.00 | 0.03 | 0.10 | 0.08 | 0.17 | 0.30 | 0.21 | 0.10 | 0.15 | 0.16 |
k | 1.48 | 2.13 | 0.54 | 0.64 | 0.33 | 0.31 | 0.73 | 0.71 | 0.29 | 0.70 | 0.68 | 0.36 | 0.74 | 0.74 |
x | 3.19 | 2.88 | 3.51 | 1.63 | 2.45 | 1.97 | 1.54 | 1.03 | 1.89 | 2.24 | 1.63 | 2.80 | 2.24 | 2.23 |
o | 6.07 | 6.14 | 4.66 | 4.12 | 2.96 | 3.57 | 3.14 | 3.07 | 2.83 | 3.57 | 4.28 | 3.52 | 3.98 | 3.99 |
i | 1.07 | 1.66 | 0.63 | 0.88 | 0.54 | 0.53 | 0.84 | 0.42 | 0.48 | 0.78 | 0.50 | 0.58 | 0.74 | 0.74 |
c | 0.14 | 0.22 | 0.03 | 0.12 | 0.04 | 0.13 | 0.17 | 0.04 | 0.01 | 0.21 | 0.04 | 0.01 | 0.09 | 0.10 |
CV | 169.13 | 192.25 | 103.37 | 107.96 | 60.16 | 67.24 | 83.21 | 67.62 | 63.53 | 105.26 | 103.50 | 85.83 | 100.42 | 100.76 |
CVn | 62.96 | 92.00 | 42.35 | 28.71 | 24.25 | 51.78 | 37.50 | 33.51 | 20.30 | 35.70 | 25.12 | 24.17 | 39.67 | 39.86 |
CVs | 106.17 | 100.25 | 61.02 | 79.25 | 35.91 | 15.46 | 45.71 | 34.11 | 43.23 | 69.56 | 78.38 | 61.66 | 60.75 | 60.89 |
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