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

Statistics of sunspot activity

July, 2001

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W107.00118.00129.33105.0085.5059.0069.2585.25114.50111.0099.00127.75149.75146.50133.67150.25186.67175.50163.75171.33137.25154.67155.50124.2595.6779.3389.2574.7567.3366.0070.75116.22100
Wn48.0055.2571.0066.7548.2539.0035.7531.0046.0053.0045.0059.0077.2568.7559.3372.0082.6787.5083.5090.6779.0084.0090.5070.7550.0047.6750.7533.0028.3315.6723.7557.8449.77
Ws59.0062.7558.3338.2537.2520.0033.5054.2568.5058.0054.0068.7572.5077.7574.3378.25104.0088.0080.2580.6758.2570.6765.0053.5045.6731.6738.5041.7539.0050.3347.0058.3850.23
n8.759.259.678.006.754.504.254.756.507.506.759.0010.509.008.339.5011.3312.7511.7511.008.007.339.507.506.005.005.505.004.674.334.007.63100
A0.500.501.000.751.250.500.250.251.501.250.251.001.750.000.000.001.331.250.501.330.000.330.501.000.670.670.750.000.670.330.750.678.80
B0.250.250.671.250.750.501.000.500.001.000.750.000.501.500.330.251.001.750.500.670.500.000.500.500.330.330.250.501.330.330.250.597.71
C2.253.003.331.001.251.000.751.501.000.752.002.752.251.500.671.501.673.754.252.000.500.671.001.501.330.000.250.750.330.670.001.4619.08
D1.251.500.671.501.000.501.502.253.752.502.502.502.502.503.003.503.331.750.001.332.752.333.000.750.671.001.501.250.671.671.751.8323.94
E0.000.000.000.000.000.000.000.000.000.000.000.000.000.501.001.001.330.751.001.330.500.670.500.750.670.000.500.000.330.000.750.374.89
F0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.330.000.330.500.250.330.330.000.000.000.330.000.081.02
G0.250.000.000.500.000.000.000.000.000.000.000.250.750.000.001.000.670.501.000.000.500.000.000.000.330.670.250.750.670.670.500.303.91
H0.000.000.000.000.000.000.000.000.000.000.000.000.250.500.670.000.670.250.250.000.000.000.000.000.000.000.000.000.000.000.000.081.09
I4.254.004.003.002.502.000.750.250.252.001.252.502.502.502.672.251.332.754.254.003.253.003.502.751.672.002.001.750.670.330.002.2629.54
x0.750.751.672.002.001.001.250.751.502.251.001.002.251.500.330.252.333.001.002.000.500.331.001.501.001.001.000.502.000.671.001.2616.51
r0.000.000.000.000.250.000.000.250.000.500.500.750.000.500.000.250.001.000.751.000.500.331.000.250.670.000.001.000.000.000.000.314.01
s5.004.254.332.252.502.501.501.752.753.003.004.004.253.254.676.503.674.506.752.004.004.004.504.001.332.332.503.251.001.331.253.2943.06
a3.004.253.673.752.001.001.502.002.251.752.253.003.753.252.672.504.673.753.006.003.002.673.001.502.671.002.000.251.672.331.752.6434.58
h0.000.000.000.000.000.000.000.000.000.000.000.250.250.000.000.000.670.250.000.000.000.000.000.000.000.330.000.000.000.000.000.060.74
k0.000.000.000.000.000.000.000.000.000.000.000.000.000.500.670.000.000.250.250.000.000.000.000.250.330.330.000.000.000.000.000.081.09
x4.754.505.003.753.752.501.000.501.753.251.503.504.503.003.332.253.334.255.005.333.253.334.003.752.332.672.751.751.330.670.753.0139.44
o4.004.754.674.253.002.003.254.004.254.005.255.505.755.504.006.256.337.505.754.004.252.674.502.752.671.331.753.253.003.332.504.0653.24
i0.000.000.000.000.000.000.000.250.250.250.000.000.250.501.001.001.671.001.001.670.501.331.000.751.001.001.000.000.330.330.750.547.11
c0.000.000.000.000.000.000.000.000.250.000.000.000.000.000.000.000.000.000.000.000.000.000.000.250.000.000.000.000.000.000.000.020.21
CV94.7595.7583.6778.2556.7542.0049.5065.2599.7583.5084.50111.00127.25122.75151.33164.00176.00146.25140.00114.67118.25111.33126.5092.5077.3383.6773.5067.0049.0068.6769.2597.55100
CVn41.2546.2546.6751.2532.5029.5025.7524.7541.0033.7539.5048.5054.2565.0074.6766.7581.0060.2560.5059.0079.5066.6787.5057.2534.0040.3330.7519.758.6717.6723.2546.6947.87
CVs53.5049.5037.0027.0024.2512.5023.7540.5058.7549.7545.0062.5073.0057.7576.6797.2595.0086.0079.5055.6738.7544.6739.0035.2543.3343.3342.7547.2540.3351.0046.0050.8552.13