The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2004

Statistics of sunspot activity

Solar activity in 2004

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
N615923262526272191716.2516.25
W14.0061.1359.4443.4859.5866.88106.2778.4844.8668.2261.0020.7163.6057.00
Wn4.3321.8718.119.787.1519.5653.7332.6716.7122.5611.005.4322.0518.57
Ws9.6739.2741.3333.7052.4247.3252.5445.8128.1445.6650.0015.2841.5538.43
n1.173.602.892.743.423.363.853.192.333.564.001.293.092.95
A0.000.130.110.170.120.360.230.110.000.000.000.000.140.10
B0.000.070.000.040.150.360.380.150.140.000.000.140.170.12
C0.000.600.560.570.580.320.690.300.000.440.000.140.420.35
D0.171.330.891.000.770.841.350.960.811.561.000.710.980.95
E0.000.330.440.040.230.120.190.300.330.440.000.000.220.20
F0.000.000.000.000.080.280.380.440.000.000.000.000.160.10
G0.000.070.220.000.040.360.000.260.000.000.000.000.100.08
H0.000.400.220.431.080.280.420.370.860.111.000.140.490.44
I1.000.670.440.480.380.440.190.300.191.002.000.140.420.60
x0.000.200.110.220.270.720.620.260.140.000.000.140.310.22
r0.000.600.220.260.460.360.380.040.100.441.000.000.290.32
s0.671.070.780.911.190.720.540.780.381.002.000.430.790.87
a0.501.671.001.000.920.641.311.260.811.561.000.571.051.02
h0.000.000.220.130.190.120.310.330.380.000.000.000.190.14
k0.000.070.560.220.380.800.690.520.520.560.000.140.460.37
x1.001.200.781.091.581.080.850.781.051.113.000.291.051.15
o0.171.331.111.040.921.521.311.330.621.221.000.431.101.00
i0.000.870.780.430.770.681.000.740.521.110.000.290.700.60
c0.000.200.220.170.150.080.690.330.140.110.000.290.250.20
CV12.1753.6066.7846.3959.2367.4885.6577.9359.8669.5643.0026.8662.6555.71
CVn4.8319.7325.447.525.8126.2444.8841.1114.1924.1110.008.8622.5519.39
CVs7.3333.8741.3338.8753.4241.2440.7736.8145.6745.4533.0018.0040.1036.31
gr0.502.872.332.172.582.723.423.001.862.562.001.142.532.26
grfp1.3313.9316.228.0413.7316.4439.0427.7412.7119.3311.004.8618.2915.36
grf0.339.8012.677.4810.7716.2028.3518.708.3312.338.002.8613.7211.32
efp0.670.600.440.520.730.440.270.190.481.002.000.140.480.62
ef0.000.130.110.040.120.200.150.000.000.000.000.000.080.06
Cond2.001.531.561.611.621.281.191.441.432.001.002.711.531.61