The Sunspot Observer - Average annual indices of solar activity NGDC - July, 1990

Statistics of sunspot activity

July, 1990

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W330.83312.00299.20280.17240.17230.80228.60174.00115.20134.33129.43127.00136.67140.00127.00124.14107.8672.5074.43103.00168.83224.60210.43232.14258.86274.25226.00194.86188.14150.33176.29186.84100
Wn132.83125.67120.20113.00102.67101.20105.4087.1762.8076.8384.5777.2589.6780.5795.0086.7167.8636.6741.5762.33111.33133.20126.29123.43127.71140.75107.6075.7171.0055.8362.7193.0849.82
Ws198.00186.33179.00167.17137.50129.60123.2086.8352.4057.5044.8649.7547.0059.4332.0037.4340.0035.8332.8640.6757.5091.4084.14108.71131.14133.50118.40119.14117.1494.50113.5793.7650.18
n14.6712.0011.2010.3311.0011.8011.8010.177.409.008.437.007.678.577.758.438.144.504.145.009.0012.8011.5713.2914.1414.5012.4012.4312.5710.5011.8610.13100
A1.500.500.400.171.172.001.600.670.402.332.430.750.672.141.251.001.571.000.571.171.501.602.003.143.711.250.200.431.431.671.861.3613.40
B2.170.830.200.001.000.801.601.331.401.671.290.501.000.860.751.290.710.000.000.332.673.602.433.001.862.001.401.712.141.501.141.3313.11
C2.672.001.001.332.671.000.800.671.401.330.571.001.832.291.501.141.140.670.711.001.171.201.292.432.292.752.602.713.003.333.431.7116.85
D2.003.505.605.173.003.803.402.501.000.831.142.252.171.291.751.711.140.000.140.170.330.801.140.141.141.753.602.431.290.831.291.8518.25
E1.671.831.201.331.670.601.200.670.000.000.140.250.000.000.500.000.140.831.000.670.000.000.140.140.000.000.000.000.000.000.000.454.45
F0.330.500.600.330.330.000.000.170.000.000.000.000.000.000.000.000.000.170.000.330.671.001.000.710.861.000.800.290.000.000.000.292.89
G2.001.831.201.671.001.601.001.331.001.000.710.750.000.000.000.570.710.000.431.001.331.401.001.141.291.750.200.710.710.500.860.939.14
H0.170.000.000.170.000.000.000.000.000.170.140.000.000.000.000.000.000.170.000.000.000.000.000.000.000.000.600.000.000.500.430.080.74
I2.171.001.000.170.172.002.202.832.201.672.001.502.002.002.002.712.711.671.290.331.333.202.572.573.004.003.004.144.002.172.862.1421.16
x3.671.330.600.172.172.803.202.001.804.003.711.251.673.002.002.292.291.000.571.504.175.204.436.145.573.251.602.143.573.173.002.6926.51
r0.500.000.000.330.330.200.400.170.000.170.140.500.170.140.750.140.290.000.290.331.171.000.710.570.710.750.000.430.710.000.140.363.52
s2.171.831.001.501.501.602.402.671.001.171.711.002.831.862.501.571.571.171.140.671.501.802.002.572.715.503.804.003.292.333.862.1421.09
a4.676.005.004.333.834.003.604.003.602.502.434.253.003.572.504.434.001.670.860.670.172.402.432.003.142.005.004.714.004.173.573.3132.64
h0.000.000.000.000.000.400.000.500.000.330.140.000.000.000.000.000.000.000.140.000.170.000.140.570.290.250.200.290.430.170.710.151.51
k3.672.834.604.003.172.802.200.831.000.830.290.000.000.000.000.000.000.671.141.831.832.401.861.431.712.751.800.860.570.670.571.4914.75
x3.831.501.400.501.334.003.803.502.604.174.572.252.674.143.253.714.292.831.861.502.834.804.575.716.715.253.804.575.434.335.143.5835.30
o7.506.676.206.006.835.805.004.334.404.503.144.254.333.863.754.713.710.671.292.505.507.005.716.716.578.007.007.296.716.176.575.2551.80
i2.673.673.403.672.831.802.802.330.400.330.710.500.670.570.750.000.141.001.001.000.671.001.290.860.861.251.400.570.430.000.141.2512.32
c0.670.170.200.170.000.200.200.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.200.000.000.000.000.060.57
CV272.83264.33310.40294.00234.17235.00206.60170.8398.40100.1783.2984.7582.1767.1481.7580.4374.7162.8383.86104.67125.33169.00158.00150.14171.43238.25213.40164.14134.71107.00145.43153.84100
CVn133.33131.33159.60147.33130.83131.20123.40108.1772.0078.0065.2957.5059.8345.4364.7562.0048.8627.1743.7155.5059.5089.8082.8665.2973.2994.7585.6077.5774.0058.8388.4383.7154.42
CVs139.50133.00150.80146.67103.33103.8083.2062.6726.4022.1718.0027.2522.3321.7117.0018.4325.8635.6740.1449.1765.8379.2075.1484.8698.14143.50127.8086.5760.7148.1757.0070.1345.58