The Sunspot Observer - Average annual indices of solar activity NGDC - December, 1988

Statistics of sunspot activity

December, 1988

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W151.00129.33164.71175.80163.67210.20162.75132.00133.25146.25208.40206.33224.00246.86230.50263.17276.25272.00234.75258.17234.86287.00279.33223.17238.00189.83184.43223.67229.14192.50190.57208.45100
Wn95.8382.67100.86100.2079.0098.2074.7558.5055.2573.0083.2081.17103.40129.71128.50167.33187.50193.14170.25194.00176.86203.00196.67170.00169.50118.83101.00115.0097.8680.0060.14120.8257.96
Ws55.1746.6763.8675.6084.67112.0088.0073.5078.0073.25125.20125.17120.60117.14102.0095.8388.7578.8664.5064.1758.0084.0082.6753.1768.5071.0083.43108.67131.29112.50130.4387.6342.04
n7.006.338.8610.0010.1713.4011.759.009.259.7512.2011.6712.2012.8610.7511.8311.2511.5710.009.5010.4313.4013.3311.6712.008.677.439.5010.149.337.5710.41100
A1.000.002.290.000.500.402.000.500.250.751.600.670.201.140.250.671.001.140.750.831.291.001.171.500.670.500.140.672.712.000.710.918.77
B0.171.170.860.401.002.002.001.500.750.751.601.170.600.430.501.001.252.141.000.500.711.600.830.502.171.171.572.000.711.171.001.1010.60
C1.330.671.003.003.174.004.004.502.503.753.404.334.801.570.751.501.752.570.750.170.431.802.332.001.331.330.712.002.001.001.292.1220.36
D4.333.502.861.803.504.401.750.501.751.253.201.332.003.002.752.832.002.292.253.673.713.404.173.002.832.002.712.171.712.333.002.6525.40
E0.000.670.431.000.170.200.000.000.250.000.200.500.401.431.001.332.751.862.752.001.001.002.000.831.001.670.571.672.291.331.291.029.78
F0.000.000.000.000.000.000.000.000.000.500.000.170.000.570.501.170.751.141.501.330.430.200.000.000.000.000.000.170.000.170.000.282.66
G0.170.330.711.200.670.600.250.250.250.000.401.502.401.431.750.500.500.431.001.002.434.001.832.171.831.001.290.830.570.830.291.0510.04
H0.000.000.000.000.330.000.250.000.000.000.000.000.000.000.000.000.000.000.000.000.140.200.000.170.000.170.000.000.000.500.000.060.55
I0.000.000.712.600.831.801.501.753.502.751.802.001.803.293.252.831.250.000.000.000.290.201.001.502.170.830.430.000.140.000.001.2311.84
x1.171.173.140.401.502.404.002.001.001.503.201.830.801.570.751.672.253.291.751.332.002.602.002.002.831.671.712.673.433.171.712.0219.36
r0.500.500.140.600.501.401.251.500.500.750.801.671.600.710.250.331.251.000.500.000.140.200.830.170.001.170.860.830.710.330.140.686.55
s1.831.502.864.603.505.004.002.505.506.005.004.837.405.144.754.673.001.570.750.831.432.603.173.003.502.170.861.001.141.001.433.1129.90
a2.502.001.713.003.833.601.753.002.251.253.201.671.203.863.253.172.252.713.252.833.295.003.673.333.671.172.713.503.433.504.002.8927.74
h0.830.830.861.200.170.800.750.000.000.000.000.170.000.000.000.170.000.000.500.831.000.400.500.000.330.830.290.000.430.330.000.363.48
k0.170.330.140.200.670.200.000.000.000.250.001.501.201.571.751.832.503.003.253.672.572.603.173.171.671.671.001.501.001.000.291.3512.97
x1.000.003.002.601.672.203.752.253.753.503.402.672.004.433.503.502.251.140.750.831.711.402.173.172.831.500.570.672.862.500.712.2021.15
o4.504.333.715.007.5010.808.006.504.755.506.807.839.805.575.004.675.256.864.002.505.0010.408.006.337.175.334.575.674.434.173.715.9256.89
i1.501.832.142.200.830.400.000.250.750.752.001.170.402.712.003.173.003.004.255.673.431.003.002.172.001.832.292.832.712.673.142.1020.17
c0.000.170.000.200.170.000.000.000.000.000.000.000.000.140.250.500.750.571.000.500.290.600.170.000.000.000.000.330.140.000.000.191.79
CV136.67140.67142.14184.20162.83197.20126.0070.25111.25112.25139.00178.83198.60229.00217.00231.50232.00229.29276.75302.33270.43293.80300.50244.33213.33189.33141.00166.33162.14156.17123.00189.62100
CVn70.8373.0061.8677.6074.8391.6061.2534.2552.5048.7557.6065.17101.80134.29128.25146.83165.00171.00218.25232.00205.57224.80226.50198.67173.00131.3390.86102.5091.8685.8343.14117.4461.94
CVs65.8367.6780.29106.6088.00105.6064.7536.0058.7563.5081.40113.6796.8094.7188.7584.6767.0058.2958.5070.3364.8669.0074.0045.6740.3358.0050.1463.8370.2970.3379.8672.1738.06