The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2011

Statistics of sunspot activity

Solar activity in 2011

Visual indices of solar activity by author's observations

 
Average by
month
I
II
III
IV
V
VI
VII
VIII
IX
X
XI
XII
days
months
N11151211181917141365412.0812.08
W24.7349.4780.5105.5579.9456.8468.0667.07122.62158.33141.2108.2578.8988.55
Wn20.1828.7356.0087.0051.9431.7946.2452.5794.4698.17110.667.0055.0462.06
Ws4.5520.7324.518.5528.0025.0521.8214.5028.1560.1730.641.2523.8526.49
n1.822.674.005.275.003.584.064.006.699.337.807.754.575.16
A0.090.130.170.550.610.680.590.500.150.830.800.750.460.49
B0.360.400.671.090.890.890.650.861.152.000.601.500.840.92
C0.270.400.331.000.780.581.000.711.691.672.001.250.850.97
D0.361.071.080.551.440.790.940.711.621.331.401.501.021.07
E0.000.471.080.550.000.000.180.360.380.830.200.250.320.36
F0.000.000.080.000.000.000.000.140.230.000.800.000.070.10
G0.000.070.170.550.060.160.000.140.230.000.000.250.130.14
H0.720.070.170.450.390.110.000.140.461.500.200.500.310.39
I0.000.070.250.550.830.370.710.430.771.171.801.750.570.73
x0.450.530.831.641.501.581.241.361.312.831.402.251.301.41
r0.180.600.920.730.280.110.290.640.770.000.804.000.560.78
s0.810.070.420.641.281.001.061.001.773.333.802.751.171.49
a0.180.930.501.271.830.681.180.572.001.501.201.251.081.09
h0.180.130.000.360.000.210.000.210.231.170.000.500.190.25
k0.000.401.250.640.110.000.290.210.620.500.600.000.360.38
x0.810.270.581.551.831.161.291.071.383.502.803.001.341.60
o0.811.271.752.362.161.951.762.073.313.672.404.002.092.29
i0.180.931.421.270.940.420.940.791.541.672.000.750.981.07
c0.000.200.250.090.060.050.060.070.460.500.600.000.160.20
CV24.5553.1390.7581.8254.2839.5349.0054.21109.00146.83117.491.2566.3975.98
CVn20.7338.2768.1757.6434.7224.3736.0047.6487.9295.0091.2045.5048.0853.93
CVs3.8214.8722.5824.1819.5615.1613.006.5721.0851.8326.2045.7518.3022.05
gr1.002.473.424.363.662.743.183.366.087.175.606.253.664.11
grfp2.5512.6724.9228.9115.068.2611.5912.5725.7725.3328.8012.0015.9717.37
grf3.189.9315.4223.8214.0611.8915.0013.8629.3137.0032.2017.2516.518.58
efp0.720.070.420.550.890.320.350.360.461.671.601.000.560.70
ef0.090.130.170.360.440.530.530.290.150.500.600.500.340.36
Cond2.642.402.332.092.172.051.882.502.853.002.803.002.362.48