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

Statistics of sunspot activity

March, 1990

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W219.17221.17213.75152.20130.67134.67138.50123.0093.43107.6799.33104.67116.25101.14139.17167.67161.50233.25250.33260.50301.29255.00285.40284.40264.00253.50206.50164.40174.00163.67134.57182.41100
Wn83.5089.00104.0072.6061.8350.6756.2553.3340.5750.3358.6779.0092.0070.8696.00113.83102.50105.7597.3398.6391.4343.0053.4064.2057.5055.2545.2536.0048.2545.1752.2969.9538.35
Ws135.67132.17109.7579.6068.8384.0082.2569.6752.8657.3340.6725.6724.2530.2943.1753.8359.00127.50153.00161.88209.86212.00232.00220.20206.50198.25161.25128.40125.75118.5082.29112.4661.65
n12.0012.1711.258.207.007.336.255.005.147.337.176.677.256.718.339.839.5012.5014.3313.6313.7110.2911.2011.8010.6710.509.508.8010.7511.178.719.51100
A1.330.831.251.002.172.171.500.000.140.501.170.501.000.431.331.830.501.751.002.503.573.141.402.001.501.251.750.600.750.830.431.2913.62
B0.331.000.501.000.670.500.000.670.571.671.671.501.000.140.330.001.002.503.502.002.570.712.202.601.331.751.250.801.751.170.141.1912.50
C2.503.333.001.800.670.831.000.670.861.501.001.331.502.001.502.000.831.751.502.002.571.291.602.202.171.752.502.602.501.830.861.7218.13
D3.503.333.252.402.002.672.752.332.001.671.672.502.502.141.671.500.831.252.002.130.861.431.000.800.501.000.500.802.753.673.571.9720.69
E0.330.000.250.000.000.000.000.000.000.000.000.000.000.000.170.670.670.000.500.380.140.291.200.800.671.000.250.800.250.000.140.272.88
F0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.001.000.831.131.431.291.400.200.501.250.750.400.250.000.000.343.54
G0.330.500.250.600.500.170.250.330.000.000.170.000.250.290.830.500.830.750.500.751.571.571.602.602.671.501.501.200.750.170.430.757.93
H0.170.500.000.000.000.000.000.000.430.170.330.000.250.000.000.000.000.500.670.000.000.000.000.000.000.000.000.000.250.670.000.131.33
I3.502.672.751.401.001.000.751.001.141.831.170.830.751.712.503.334.833.003.832.751.000.570.800.601.331.001.001.601.502.833.141.8419.39
x1.671.831.752.002.832.671.500.670.712.172.832.002.000.571.671.831.504.254.504.506.143.863.604.602.833.003.001.402.502.000.572.4826.11
r0.000.501.000.400.170.000.250.000.000.170.000.000.500.140.170.170.000.250.670.500.860.431.000.200.000.000.000.000.250.170.290.262.74
s3.171.831.751.000.500.500.500.331.142.501.331.831.252.292.673.174.002.754.002.251.000.290.800.801.831.252.002.002.752.832.861.8419.40
a5.336.176.254.202.333.172.752.331.861.172.002.332.753.003.334.003.173.753.675.004.293.144.404.004.503.251.752.803.255.004.573.5337.16
h0.500.000.000.000.330.330.000.670.710.330.500.170.500.140.000.000.000.000.330.000.000.140.000.200.000.000.000.000.250.330.000.181.85
k1.331.830.500.600.830.671.251.000.711.000.500.330.250.570.500.670.831.501.171.381.432.431.402.001.503.002.752.601.750.830.431.2112.74
x5.004.004.002.403.173.172.251.001.712.502.671.332.002.143.835.175.335.255.505.254.573.712.202.602.832.252.752.202.504.333.573.2634.34
o5.677.336.755.403.333.002.753.332.864.834.334.834.504.003.833.333.174.756.676.256.864.436.008.206.675.255.505.207.506.334.295.0753.32
i1.170.830.500.400.501.171.250.670.570.000.170.500.750.570.671.331.002.502.172.132.292.003.001.000.832.751.001.400.750.500.861.1411.95
c0.170.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.140.000.000.330.250.250.000.000.000.000.040.39
CV194.50179.00133.75102.2097.33101.50108.00113.67104.00107.0094.0091.17103.25102.29105.67122.00127.00159.50186.83176.00158.00180.86171.40176.60167.67211.75177.25175.20177.00161.00131.57141.84100
CVn88.0077.6747.2538.6043.5036.3340.7537.6745.4352.1755.5070.6780.2574.7177.0084.6780.8378.5062.8352.6329.7112.1418.6024.6026.5024.5017.5025.4029.7544.6752.2949.3734.81
CVs106.50101.3386.5063.6053.8365.1767.2576.0058.5754.8338.5020.5023.0027.5728.6737.3346.1781.00124.00123.38128.29168.71152.80152.00141.17187.25159.75149.80147.25116.3379.2992.4665.19