The Sunspot Observer - Average annual indices of solar activity NGDC - August, 1999

Statistics of sunspot activity

August, 1999

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W381.25294.00275.75213.50207.50145.00135.25133.25104.5078.0075.6792.6769.5075.6775.0067.0054.5055.7563.5063.7569.0078.50 101.33155.33189.33173.00224.67234.25188.00176.67141.70100
Wn190.25134.6791.0088.50100.0082.5081.5074.7543.758.670.0021.0017.5026.0031.7527.2524.7543.0046.7540.7532.5028.50 35.6783.3384.3360.50113.00124.7598.2593.0064.2745.36
Ws191.00159.33184.75125.00107.5062.5053.7558.5060.7569.3375.6771.6752.0049.6743.2539.7529.7512.7516.7523.0036.5050.00 65.6772.00105.00112.50111.67109.5089.7583.6777.4354.64
n15.5013.3311.509.2510.257.507.257.506.003.003.004.674.005.005.004.754.003.503.504.004.003.00 4.678.339.337.008.678.758.259.006.78100
A0.502.332.500.750.000.751.250.501.500.330.000.331.000.671.000.250.500.250.750.251.000.00 0.330.671.670.501.000.751.000.000.7410.97
B2.252.670.500.502.502.001.000.750.750.330.331.330.501.671.001.251.251.250.500.250.000.00 0.672.001.001.251.331.251.503.001.1516.99
C5.252.001.001.250.751.000.501.251.251.331.671.000.000.671.502.251.251.250.751.251.000.00 1.332.003.332.501.671.251.501.671.4521.33
D1.751.333.001.501.500.752.252.250.750.000.000.000.000.000.750.750.000.501.000.750.500.50 0.330.331.331.002.332.001.501.000.9914.58
E1.000.000.000.000.000.000.000.001.000.330.000.670.000.000.000.000.000.000.000.000.000.00 0.000.000.000.000.000.250.251.000.152.21
F2.003.002.501.501.001.001.001.000.000.671.000.331.000.670.000.000.000.000.000.000.001.00 1.001.001.001.251.331.000.750.670.8612.61
G0.000.670.503.003.000.500.000.500.250.000.000.000.000.330.750.000.000.000.000.501.251.50 0.330.670.330.000.000.000.500.330.507.33
H0.000.000.000.000.000.000.000.000.000.000.000.000.500.330.000.000.250.250.250.500.250.00 0.000.000.000.500.671.000.750.000.182.58
I2.751.331.500.751.501.501.251.250.500.000.001.001.000.670.000.250.750.000.250.500.000.00 0.671.670.670.000.331.250.501.330.7711.38
x2.755.003.001.252.502.752.251.252.250.670.331.671.502.332.001.501.751.501.250.501.000.00 1.002.672.671.752.332.002.503.001.9027.97
r1.000.000.750.000.500.750.501.250.500.330.331.000.000.000.500.501.000.250.250.750.000.00 0.000.670.330.001.000.000.000.000.415.98
s6.003.001.502.253.252.003.003.001.001.331.671.001.501.671.501.500.250.250.750.750.250.00 1.001.672.331.251.332.502.253.001.7625.92
a3.252.333.753.752.501.251.252.002.250.670.671.000.500.000.000.250.000.500.250.251.001.50 1.672.333.002.002.332.752.502.671.6123.67
h0.000.670.000.000.250.000.000.000.000.000.000.000.000.000.250.500.000.000.500.250.750.00 0.000.330.670.750.670.750.750.000.243.48
k2.502.332.502.001.250.750.250.000.000.000.000.000.501.000.750.501.001.000.501.501.001.50 1.000.670.331.251.000.750.250.330.8812.98
x3.253.674.001.501.502.252.501.752.000.330.001.332.501.671.000.501.500.501.251.251.250.00 1.002.332.331.002.003.002.251.331.6924.94
o9.256.004.506.257.504.253.754.502.751.672.002.330.502.674.004.252.503.002.252.752.752.00 2.675.006.004.755.003.504.006.003.9458.15
i2.253.331.750.751.000.750.751.250.750.670.671.000.500.330.000.000.000.000.000.000.000.50 1.000.670.670.501.001.251.501.000.7911.71
c0.750.331.250.750.250.250.250.000.500.330.330.000.500.330.000.000.000.000.000.000.000.50 0.000.330.330.750.671.000.500.670.355.20
CV253.75233.67225.25206.00187.2596.75103.00107.2567.0041.3345.0041.3360.5079.0078.7569.7547.7552.5063.2588.5098.75105.00 86.33109.67131.33141.50157.33162.75133.50120.33113.14100
CVn132.2577.6784.7584.2582.7546.5055.0051.2519.752.330.004.0020.0039.6743.7546.2538.7547.7549.5039.0028.2531.50 22.0039.0052.6735.2561.6775.7573.2570.3348.4942.86
CVs121.50156.00140.50121.75104.5050.2548.0056.0047.2539.0045.0037.3340.5039.3335.0023.509.004.7513.7549.5070.5073.50 64.3370.6778.67106.2595.6787.0060.2550.0064.6457.14