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

Statistics of sunspot activity

August, 2001

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W94.75105.25127.25171.50203.75161.50164.50165.50154.67136.50146.00181.00136.75130.25157.00159.33153.00145.67131.75146.25148.00155.25180.25152.50115.50130.50148.00167.00134.00139.00130.25147.50100
Wn53.5059.7569.7593.50102.2573.2579.7583.7584.3374.0062.0078.5040.2535.2561.5069.3361.5073.6776.2596.7599.00113.50118.0083.7549.5045.0058.0073.7563.0065.0066.0073.0149.50
Ws41.2545.5057.5078.00101.5088.2584.7581.7570.3362.5084.00102.5096.5095.0095.5090.0091.5072.0055.5049.5049.0041.7562.2568.7566.0085.5090.0093.2571.0074.0064.2574.4950.50
n6.005.757.008.259.508.509.259.509.009.008.7510.507.758.0011.0013.0012.5010.008.758.508.678.008.508.255.756.508.009.256.756.505.258.45100
A1.000.000.250.250.750.250.750.500.672.500.000.001.000.000.002.001.250.000.500.751.000.500.251.500.250.250.250.500.000.000.000.556.46
B1.000.500.500.751.500.000.500.000.000.000.250.000.000.501.001.331.250.330.001.000.670.500.500.250.500.250.250.000.500.500.000.465.47
C0.251.001.502.001.001.501.501.001.001.001.754.501.752.251.502.673.501.331.750.250.330.501.502.000.250.000.501.000.500.000.251.2815.21
D2.002.753.505.003.504.002.752.753.673.004.254.002.251.753.501.670.754.002.752.501.331.501.751.250.752.002.754.252.501.501.002.6130.89
E0.250.000.250.001.001.001.250.750.330.000.250.000.500.250.000.000.000.000.250.000.000.500.250.000.500.000.000.000.000.500.500.273.18
F0.000.000.000.000.000.000.000.250.671.000.250.000.000.000.000.000.000.000.000.000.000.250.501.001.001.001.001.000.750.750.500.323.79
G1.501.500.750.250.750.000.000.250.000.000.000.000.250.500.501.000.000.000.000.250.671.501.000.500.250.000.000.001.001.251.000.475.60
H0.000.000.000.000.000.000.250.000.000.000.000.000.000.000.000.000.000.000.000.000.330.500.000.000.000.000.000.250.500.250.000.070.80
I0.000.000.250.001.001.752.254.002.671.502.002.002.002.754.504.335.754.333.503.754.332.252.751.752.253.003.252.251.001.752.002.4228.60
x2.000.500.751.002.250.251.250.500.672.500.250.001.000.501.003.332.500.330.501.751.671.000.751.750.750.500.500.500.500.500.001.0111.93
r0.250.500.750.250.250.000.250.250.330.500.001.000.250.000.500.671.002.000.250.250.330.000.251.000.000.000.000.250.000.000.250.374.33
s2.002.503.252.502.752.502.503.004.334.004.253.503.504.255.006.336.254.334.003.752.672.503.253.001.751.753.752.751.751.251.003.2238.15
a1.752.252.254.003.254.003.254.502.332.003.755.502.502.504.502.672.753.003.752.253.002.752.751.502.253.252.754.502.752.252.503.0035.51
h0.000.000.000.000.000.000.500.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.250.500.000.000.040.48
k0.000.000.000.501.001.751.501.251.330.000.500.500.500.750.000.000.000.330.250.501.001.751.501.001.001.001.001.001.252.501.500.819.61
x1.000.000.500.251.752.003.254.503.334.002.002.003.002.754.506.337.004.334.004.505.673.253.003.252.503.253.503.001.502.002.003.0335.86
o4.505.505.506.255.254.503.752.253.334.005.256.503.504.756.506.675.505.004.003.502.333.754.504.001.752.253.255.004.252.502.254.2550.33
i0.500.251.001.752.502.002.252.752.331.001.502.001.250.500.000.000.000.670.750.500.000.750.751.001.501.001.251.250.502.000.751.1013.08
c0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.670.250.250.000.000.000.000.000.500.000.250.060.73
CV90.75104.25118.75144.00163.00178.25176.00159.75173.67118.50151.75153.00115.25122.50140.00129.33103.50137.67118.75109.75117.33159.00154.75117.25103.75113.75144.25174.25161.50166.00120.00136.78100
CVn43.5057.2562.0075.7567.7574.0083.5077.7594.0061.0073.0070.5024.0029.2548.0049.3342.0078.0072.0075.0085.3398.5070.5048.7535.5039.7563.0082.2574.7584.0047.7564.1246.88
CVs47.2547.0056.7568.2595.25104.2592.5082.0079.6757.5078.7582.5091.2593.2592.0080.0061.5059.6746.7534.7532.0060.5084.2568.5068.2574.0081.2592.0086.7582.0072.2572.6653.12