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

Statistics of sunspot activity

August, 1990

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W179.71201.00194.80172.20179.00139.60149.83188.00188.00209.71192.00197.33231.40314.17276.86291.00341.14326.00366.17280.63284.86309.71352.00357.86325.00291.67218.71195.29238.17238.57208.50246.42100
Wn82.29122.33125.0096.0089.6769.8075.00101.83100.43114.43109.00129.17142.00187.00170.57185.86204.86195.57185.17116.2589.1486.8692.0089.4383.6784.6768.5767.1494.0097.4399.83114.6846.54
Ws97.4378.6769.8076.2089.3369.8074.8386.1787.5795.2983.0068.1789.40127.17106.29105.14136.29130.43181.00164.38195.71222.86260.00268.43241.33207.00150.14128.14144.17141.14108.67131.7453.46
n11.0013.1711.2010.6011.008.809.0011.3311.5712.8612.5712.5011.8016.5014.5715.0017.2917.5717.6713.7513.5714.1414.0014.2913.5010.838.578.8610.5012.1411.3312.63100
A1.143.171.001.601.671.401.671.500.861.711.570.671.202.331.431.292.001.001.001.000.711.711.600.861.500.830.710.710.831.571.501.3510.67
B0.710.671.001.602.000.601.831.672.432.572.291.831.202.832.712.143.143.144.173.252.000.861.403.142.501.670.710.712.172.002.001.9715.57
C4.003.004.203.203.673.202.333.172.292.571.432.173.603.332.433.865.294.435.003.382.711.863.002.571.170.670.861.001.503.434.172.8922.85
D0.862.332.802.001.332.402.004.005.144.714.434.332.404.174.434.293.864.574.002.003.002.572.602.292.002.001.290.861.001.860.832.7922.06
E0.710.330.800.000.000.000.000.000.000.000.000.331.001.171.000.571.141.001.171.631.292.001.602.001.001.331.291.000.330.140.670.766.00
F0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.290.430.140.140.170.500.140.140.400.291.331.001.000.861.001.000.330.302.34
G0.290.670.200.200.000.000.000.000.001.000.860.671.000.500.140.140.570.711.331.252.142.001.401.711.831.501.712.002.671.140.170.907.10
H0.710.000.000.200.330.200.000.170.290.000.000.000.201.171.431.140.571.140.170.130.711.291.601.001.171.000.140.000.170.000.000.483.81
I2.573.001.201.802.001.001.170.830.570.292.002.501.201.000.711.140.571.430.670.630.861.710.400.431.000.830.861.710.831.001.671.219.60
x1.863.832.003.203.672.003.503.173.294.293.862.502.405.174.143.435.144.145.174.252.712.573.004.004.002.501.431.433.003.573.503.3126.24
r0.000.330.800.401.000.600.000.500.710.710.431.001.201.501.000.861.290.860.830.380.290.290.800.710.500.170.290.140.330.570.670.624.89
s3.712.671.202.401.671.200.831.672.002.292.293.831.601.674.573.142.712.861.832.251.292.860.801.711.500.670.861.431.001.141.671.9815.66
a3.294.174.202.003.003.603.834.674.004.145.005.006.406.502.574.865.296.005.333.754.712.572.802.142.672.502.003.002.504.714.503.9331.09
h0.570.330.000.600.330.200.170.500.140.290.290.000.201.000.570.710.711.430.830.250.861.431.400.430.170.500.000.000.830.140.000.483.80
k1.571.833.002.001.331.200.670.831.431.140.710.170.000.671.712.002.142.293.672.883.714.435.205.294.674.504.002.862.832.001.002.3118.32
x4.436.172.203.604.002.602.832.501.712.003.573.172.604.503.573.573.143.571.831.752.294.713.602.293.672.671.712.431.832.573.173.0424.08
o5.576.677.806.807.006.006.178.509.2910.148.438.337.208.339.1410.0011.5711.0012.509.389.437.008.209.437.005.674.434.577.178.437.008.0063.38
i1.000.331.200.200.000.200.000.330.570.570.571.002.003.671.861.292.433.003.332.631.711.862.002.002.502.502.431.290.670.140.501.4111.18
c0.000.000.000.000.000.000.000.000.000.140.000.000.000.000.000.140.140.000.000.000.140.570.200.570.330.000.000.570.831.000.670.171.36
CV170.57179.83196.40164.60129.67125.0099.17158.17178.71188.71168.43160.67142.80225.67245.14249.43266.43310.00320.83245.50300.29355.00349.80331.00296.67276.33229.86201.00232.33189.00127.00219.81100
CVn107.86122.00132.60109.6099.6783.0064.67100.33121.57137.43121.29122.8395.20141.33167.71166.29177.71189.00157.33106.8886.4381.5779.2065.1455.0076.6761.1461.2972.0069.2978.83106.8048.59
CVs62.7157.8363.8055.0030.0042.0034.5057.8357.1451.2947.1437.8347.6084.3377.4383.1488.71121.00163.50138.63213.86273.43270.60265.86241.67199.67168.71139.71160.33119.7148.17113.0051.41