The Sunspot Observer - Average annual indices of solar activity NGDC - January, 2001

Statistics of sunspot activity

January, 2001

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W123.25140.50127.50147.75147.00173.67183.67136.50152.67134.00167.67167.00146.33161.33125.33108.0082.6791.00108.0088.0098.00117.50161.00183.25148.00123.00134.33114.50140.50123.00128.50134.95100
Wn40.7545.7552.0078.7594.0098.67105.0099.75115.00116.75144.67149.75139.00157.67125.33102.0071.6768.0066.6732.5024.3317.0034.7543.7536.0023.5045.6747.5052.5068.3391.0077.0357.08
Ws82.5094.7575.5069.0053.0075.0078.6736.7537.6717.2523.0017.257.333.670.006.0011.0023.0041.3355.5073.67100.50126.25139.50112.0099.5088.6767.0088.0054.6737.5057.9242.92
n6.257.758.2510.5011.0012.3312.679.7511.008.759.338.508.007.676.335.505.005.677.005.506.337.009.009.258.336.507.337.509.008.007.008.13100
A0.000.251.002.501.330.330.670.502.331.751.330.250.671.332.001.001.000.670.670.500.330.500.751.000.670.750.331.002.501.330.500.9611.81
B0.000.000.000.750.000.331.330.500.330.000.670.000.000.000.330.000.000.331.671.001.001.003.001.500.670.250.670.500.500.671.500.607.34
C1.501.502.003.501.333.674.002.752.672.000.332.752.333.000.670.500.001.331.672.002.330.002.252.753.002.000.672.001.502.002.001.9423.81
D2.251.501.250.252.673.673.673.252.672.502.002.251.671.330.671.002.001.671.331.002.334.502.003.001.331.254.673.003.502.001.002.1726.65
E1.001.000.500.251.000.330.000.250.001.000.670.500.330.000.330.000.330.000.330.000.001.000.000.501.000.750.670.001.000.670.500.455.52
F0.000.000.000.000.000.000.000.000.000.000.000.500.671.000.671.000.330.000.000.000.000.000.000.000.000.000.000.000.000.000.000.131.65
G0.000.250.500.750.000.330.330.250.000.250.670.000.000.000.330.000.330.000.331.000.330.000.750.500.000.500.000.000.000.001.500.293.54
H0.000.000.000.000.000.000.000.000.330.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.010.13
I1.503.253.002.504.673.672.672.252.671.253.672.252.331.001.332.001.001.671.000.000.000.000.250.001.671.000.331.000.001.330.001.5919.54
x0.000.251.003.251.330.672.001.002.671.752.000.250.671.332.331.001.001.002.331.501.331.503.752.501.331.001.001.503.002.002.001.5619.15
r0.250.000.750.250.331.001.000.000.330.000.001.000.330.000.670.000.000.000.330.000.671.500.501.251.330.250.000.000.000.330.500.414.99
s3.004.004.754.255.675.338.005.505.334.252.002.753.004.001.002.001.673.003.002.001.672.000.501.001.672.753.004.504.502.672.003.2539.98
a2.002.500.751.753.004.671.333.252.332.755.334.503.672.002.001.502.331.671.332.002.672.004.254.504.002.503.331.501.503.002.502.6632.71
h0.000.000.250.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.010.10
k1.001.000.751.000.670.670.330.000.330.000.000.000.330.330.331.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.253.08
x1.503.504.005.006.004.003.332.755.333.005.002.503.002.333.333.002.002.331.670.500.330.501.001.002.331.750.672.002.502.670.502.5631.48
o3.753.253.755.254.007.679.336.504.674.503.675.003.674.331.671.502.333.335.005.006.005.508.006.504.673.755.005.005.504.336.004.7958.90
i0.750.750.500.251.000.670.000.501.001.000.671.001.000.000.670.500.670.000.330.000.001.000.001.251.331.001.670.500.501.000.500.657.94
c0.250.250.000.000.000.000.000.000.000.250.000.000.331.000.670.500.000.000.000.000.000.000.000.500.000.000.000.000.500.000.000.141.69
CV127.25132.00122.25111.00154.33173.00167.67135.25126.00124.50104.67111.75113.00111.6776.3396.5076.6766.3374.0066.5074.00114.0080.25112.7588.0085.00131.33101.50132.0088.3387.50108.56100
CVn42.2543.2541.5044.2593.3387.00104.33100.25100.00108.0096.33103.00111.33111.3376.3396.0075.6749.0039.3313.5014.6725.0022.7530.7521.3314.0046.3352.0047.0053.6759.5062.0357.14
CVs85.0088.7580.7566.7561.0086.0063.3335.0026.0016.508.338.751.670.330.000.501.0017.3334.6753.0059.3389.0057.5082.0066.6771.0085.0049.5085.0034.6728.0046.5342.86