The Sunspot Observer - Average annual indices of solar activity NGDC - Solar activity in 2006

Statistics of sunspot activity

Solar activity in 2006

Visual indices of solar activity by National Geophysical Data Center

 
Average by
month
I
II
III
IV
V
VI
VII
VIII
IX
X
XI
XII
days
months
N31283130313031313031303130.4230.42
W24.218.1121.1551.4135.1121.9721.3820.3521.5715.2428.1322.1924.3024.24
Wn10.012.154.551.559.105.346.500.371.400.350.804.683.933.90
Ws14.205.9616.6049.8626.0116.6214.8819.9820.1714.8827.3317.5220.3620.33
n1.490.691.433.242.681.291.341.081.631.161.531.351.581.58
A0.280.410.690.480.530.170.150.140.280.240.200.190.310.31
B0.070.100.130.320.310.150.220.050.170.130.130.130.160.16
C0.230.040.180.680.660.290.390.100.320.190.530.320.330.33
D0.280.040.180.690.430.270.450.170.140.140.270.260.280.28
E0.160.000.030.180.010.130.000.170.010.000.070.030.060.06
F0.000.000.000.010.000.010.000.030.010.000.130.130.020.03
G0.030.000.010.040.030.060.010.280.000.010.130.130.060.06
H0.020.000.020.040.030.060.030.020.110.000.000.000.030.03
I0.430.100.190.800.690.160.100.120.600.450.070.160.320.32
x0.340.510.820.800.830.320.370.190.450.370.330.320.470.47
r0.160.020.120.210.310.140.130.060.180.200.000.030.130.13
s0.320.110.220.750.860.250.280.080.440.260.430.320.360.36
a0.600.050.221.100.580.380.350.360.390.330.430.260.420.42
h0.010.000.030.080.060.070.090.070.040.000.070.000.040.04
k0.070.000.020.290.030.140.130.310.140.000.270.420.150.15
x0.730.510.901.321.250.390.270.280.990.690.270.350.670.66
o0.390.180.311.241.230.490.700.510.540.351.030.580.630.63
i0.240.010.190.500.200.330.290.200.110.090.170.260.220.22
c0.120.000.030.180.010.080.070.080.000.030.070.160.070.07
CV19.312.8610.7045.1625.6720.7521.4526.5117.508.8528.4329.2621.4521.37
CVn7.110.341.190.917.393.265.070.040.150.030.303.132.442.41
CVs12.202.519.5144.2518.2817.4916.3726.4717.358.8228.1326.1319.0118.96