The Sunspot Observer - Average annual indices of solar activity NGDC - Solar activity in 1983

Statistics of sunspot activity

Solar activity in 1983

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
N31282525313031313031303129.6629.50
W123.2476.6284.09104.73122.17124.81107.8492.3363.5670.0342.2648.8888.3788.38
Wn43.3717.028.4518.8028.0041.9930.8419.7416.5437.008.4319.0524.5324.10
Ws79.8659.6175.6485.9394.1782.8277.0072.5947.0233.0333.8329.8363.8464.28
n7.334.704.935.986.345.796.145.443.924.122.712.815.015.02
A1.010.750.750.690.820.680.731.220.950.860.360.500.790.78
B0.610.680.660.980.510.661.081.120.620.600.730.640.740.74
C1.820.861.001.431.331.341.690.830.610.730.650.771.091.09
D1.550.841.311.811.701.530.870.340.810.920.470.601.051.06
E0.070.030.050.050.350.380.220.200.200.060.000.000.140.13
F0.010.010.000.020.080.310.070.230.000.060.000.000.060.07
G0.310.340.180.340.580.190.470.270.080.400.060.200.290.28
H0.290.180.100.070.220.050.220.060.040.060.040.010.110.11
I1.661.010.870.580.750.660.791.160.620.440.390.100.750.75
x1.621.431.421.681.331.341.812.341.571.461.101.141.521.52
r0.320.430.540.740.390.420.300.310.300.240.310.240.380.38
s2.761.501.401.561.881.701.761.590.970.950.580.721.451.45
a1.560.580.801.051.341.081.270.720.710.730.680.670.930.93
h0.540.230.280.280.480.330.370.240.170.270.030.030.270.27
k0.530.530.490.670.920.920.630.240.210.470.020.010.460.47
x2.961.941.721.351.801.391.732.451.611.360.790.611.651.64
o3.952.402.794.183.603.303.802.431.982.491.792.132.892.90
i0.420.280.370.430.871.030.600.560.330.250.130.070.450.44
c0.010.090.050.020.070.070.010.000.000.030.000.000.030.03
CV109.3267.6073.2592.29119.70106.2390.9858.3946.7963.1922.8727.3573.0173.16
CVn45.7013.265.1410.3327.7440.2522.3611.588.8940.065.319.3620.4920.00
CVs63.6154.3468.1081.9691.9665.9768.6246.8137.9123.1317.5717.9952.5253.16