The Sunspot Observer - Average annual indices of solar activity NGDC - September, 1989

Statistics of sunspot activity

September, 1989

Visual indices of solar activity by National Geophysical Data Center

Date123456789101112131415161718192021222324252627282930Average%
W193.29137.29148.29190.29213.20197.86242.67336.40370.20374.57336.60346.17313.71270.00249.17201.67194.80140.17164.80132.25128.40135.33142.25106.5092.1791.67120.50145.40146.83168.00201.01100
Wn62.7161.8689.57105.00139.80152.43208.67225.80277.20289.57263.80277.17262.00233.50215.33162.33139.4082.5071.8045.7533.6036.5040.2519.6710.173.6723.8351.0062.1773.17124.0161.69
Ws130.5775.4358.7185.2973.4045.4334.00110.6093.0085.0072.8069.0051.7136.5033.8339.3355.4057.6793.0086.5094.8098.83102.0086.8382.0088.0096.6794.4084.6794.8377.0138.31
n9.007.298.719.869.608.8611.1712.0012.2013.2914.0013.3313.2912.0012.5010.679.807.838.407.505.206.006.255.675.174.676.509.008.678.009.21100
A1.001.001.002.711.201.861.001.401.401.292.201.831.861.002.331.501.401.001.200.750.200.670.501.331.000.670.171.401.170.331.2113.16
B0.861.432.142.571.601.292.000.601.401.291.201.673.572.251.000.500.000.671.401.000.802.002.252.001.670.331.331.602.172.171.4916.19
C1.861.431.431.141.601.141.333.002.602.712.801.501.291.002.002.331.601.171.401.252.001.331.751.001.001.002.172.201.002.001.6718.10
D1.431.001.140.430.800.861.002.401.602.293.004.502.292.502.333.173.202.001.000.500.200.170.250.330.501.001.172.001.500.831.5116.42
E1.430.140.000.431.001.291.831.601.200.860.801.001.002.501.330.831.000.670.801.001.001.001.001.001.000.670.670.000.170.000.919.84
F0.570.711.001.001.801.141.171.402.202.572.200.670.710.000.170.170.000.000.000.000.000.000.000.000.000.330.330.200.170.330.636.82
G0.000.000.430.430.600.711.170.800.801.141.602.001.862.002.331.001.201.001.201.000.800.000.000.000.000.000.170.401.171.670.859.22
H0.000.000.000.000.000.000.000.000.000.000.000.000.290.250.170.170.000.000.000.000.000.000.000.000.000.000.000.400.170.170.050.58
I1.861.571.571.141.000.571.670.801.001.140.200.170.430.500.831.001.401.331.402.000.200.830.500.000.000.670.500.801.170.500.899.68
x1.862.433.145.292.803.143.002.002.802.573.403.505.433.253.332.001.401.672.601.751.002.672.753.332.671.001.503.003.332.502.7029.34
r0.430.140.710.570.400.141.001.201.200.860.600.170.141.500.830.330.600.670.600.750.800.170.500.000.000.330.330.400.830.830.576.17
s3.142.571.291.000.801.291.500.800.801.140.601.000.711.252.001.832.202.171.402.501.201.000.750.670.170.671.501.401.170.331.2914.05
a1.431.002.291.572.601.292.675.004.205.576.005.505.434.255.175.002.401.332.001.501.201.171.250.671.331.671.333.002.503.172.7830.20
h0.000.000.000.000.400.290.170.000.000.140.200.670.000.250.000.170.200.000.400.000.000.000.000.000.000.000.000.000.170.500.121.28
k2.141.141.291.432.602.712.833.003.203.003.202.501.571.501.171.333.002.001.401.001.001.001.001.001.001.001.831.200.670.671.7518.95
x2.862.572.573.862.202.432.672.202.402.432.402.002.571.753.332.672.802.332.602.750.401.501.001.331.001.330.672.602.501.002.1623.41
o4.003.715.004.294.603.575.005.805.606.007.207.337.716.006.335.335.004.174.603.753.803.334.003.333.172.004.675.605.336.334.8953.03
i0.710.290.290.861.802.142.673.604.204.864.404.003.004.252.832.672.001.331.000.500.200.170.250.330.170.670.670.800.830.671.7418.86
c1.430.710.860.861.000.710.830.400.000.000.000.000.000.000.000.000.000.000.200.500.801.001.000.670.830.670.500.000.000.000.434.69
CV177.71108.71123.29119.57203.00192.71224.83242.80237.60264.57276.60276.67191.14213.50192.33181.17218.20151.33138.80114.5095.0083.5084.2575.1776.8388.33127.50120.80106.83114.00160.71100
CVn35.1433.0041.2941.14122.60131.29159.00186.60173.00189.43205.80223.83165.71187.75171.50143.00170.60102.6774.2037.2523.2012.5017.254.001.330.3313.5028.8040.6740.1792.5557.59
CVs142.5775.7182.0078.4380.4061.4365.8356.2064.6075.1470.8052.8325.4325.7520.8338.1747.6048.6764.6077.2571.8071.0067.0071.1775.5088.00114.0092.0066.1773.8368.1642.41