The Sunspot Observer - Average annual indices of solar activity NGDC - Solar activity in 2002

Statistics of sunspot activity

Solar activity in 2002

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
W175.26181.35144.86185.00188.33132.39168.52179.17182.16142.20144.88134.23163.07163.20
Wn76.6672.5856.91102.8290.7548.9756.1264.7775.2082.6254.8059.5870.1270.15
Ws98.60108.7787.9682.1897.5883.42112.40114.40106.9759.5990.0974.6692.9593.05
n10.139.728.299.9110.988.437.528.739.517.997.547.238.828.83
A0.600.940.830.640.701.070.610.410.600.520.480.530.660.66
B0.550.550.330.670.700.630.570.390.510.410.450.380.510.51
C2.071.991.741.902.121.761.241.171.711.361.031.541.631.64
D3.072.802.443.292.792.492.213.083.442.261.892.142.652.66
E0.590.570.790.870.890.270.650.810.320.400.360.370.580.57
F0.350.620.210.220.120.050.700.260.360.350.690.230.340.35
G0.480.400.660.690.570.170.220.850.440.320.550.720.510.51
H0.130.040.050.060.270.310.050.100.080.050.340.000.120.12
I2.281.801.251.582.831.681.281.642.042.311.761.331.821.82
x1.151.491.161.311.411.701.170.811.120.930.930.911.171.17
r0.250.430.320.440.370.550.620.460.290.350.210.210.380.38
s4.523.773.413.574.363.452.182.903.623.333.072.633.403.40
a3.053.202.953.443.311.552.053.303.432.321.662.962.772.77
h0.150.050.010.140.310.280.040.180.050.170.330.080.150.15
k1.010.770.441.021.220.901.471.100.990.881.340.430.960.96
x3.012.782.132.273.803.071.932.162.732.892.581.862.602.60
o5.915.364.935.895.804.693.825.035.243.863.624.364.874.88
i0.941.281.141.411.000.530.941.061.210.950.930.871.021.02
c0.260.300.090.340.380.140.830.480.330.290.410.140.330.33
CV175.70158.25133.86177.84189.01135.43151.18173.02165.81138.73155.42116.69155.86155.91
CVn73.2662.8748.90107.9279.2640.5747.1154.2563.9785.4260.4749.5064.4364.46
CVs102.4495.3884.9569.92109.7594.86104.06118.77101.8453.3194.9467.1891.4491.45