The Sunspot Observer - Average annual indices of solar activity NGDC - February, 1992

Statistics of sunspot activity

February, 1992

Visual indices of solar activity by National Geophysical Data Center

Date1234567891011121314151617181920212223242526272829Average%
W350.83297.20250.33255.50246.00246.67275.20229.00258.00232.17234.40193.33202.00182.40166.50164.17133.33144.00133.60178.75188.00181.83218.20246.00254.00269.17292.17249.83195.17223.03100
Wn96.8390.6068.0052.8348.2944.6763.8076.60107.67103.67105.60104.33100.0070.0059.1753.0045.1738.0048.0079.2585.4097.17129.20154.80165.20179.33181.17139.83113.1793.1341.76
Ws254.00206.60182.33202.67197.71202.00211.40152.40150.33128.50128.8089.00102.00112.40107.33111.1788.17106.0085.6099.50102.6084.6789.0091.2088.8089.83111.00110.0082.00129.9058.24
n15.1712.6010.5012.0011.8610.6711.0011.8012.5010.8310.208.179.259.208.679.337.338.838.0010.5011.4010.3312.6014.0012.6011.8312.0012.3310.6710.90100
A1.671.800.502.832.431.830.601.001.670.830.201.501.751.601.831.831.172.501.400.751.000.831.202.200.800.670.671.831.671.4012.83
B1.830.600.671.002.141.333.601.601.331.501.800.330.750.801.831.330.331.831.803.002.401.332.801.401.801.001.672.331.831.5914.55
C3.172.602.171.833.432.501.400.802.331.331.200.671.001.401.171.171.670.670.602.503.203.674.003.402.603.004.003.832.172.1920.07
D2.332.601.331.831.291.171.203.804.333.503.402.672.503.001.331.501.331.331.400.751.402.502.202.402.001.502.172.673.332.1619.85
E1.000.600.330.500.140.500.200.200.171.001.400.500.500.801.331.330.330.330.601.250.800.830.401.001.601.831.330.500.500.756.90
F1.831.401.501.501.431.331.400.400.501.000.801.330.750.600.330.000.500.500.200.000.000.000.000.000.000.000.000.330.170.615.63
G2.001.601.830.500.290.501.001.401.171.001.001.001.250.000.000.330.330.000.400.500.200.000.800.401.000.830.500.170.670.716.54
H0.000.000.000.000.000.170.000.000.000.000.000.000.000.000.000.000.000.170.400.000.200.170.200.200.000.000.000.000.000.050.47
I1.331.402.172.000.711.331.602.601.000.670.400.170.751.000.831.831.671.501.201.752.201.001.003.002.803.001.670.670.331.4313.15
x3.502.401.173.834.573.174.202.603.002.332.001.832.502.403.673.171.504.333.203.753.402.174.003.602.601.672.334.173.502.9827.38
r0.170.400.670.170.140.670.600.200.330.670.000.330.501.000.170.000.330.000.200.500.400.670.400.200.000.170.330.000.330.333.02
s3.833.202.332.502.432.501.002.602.501.832.601.830.000.402.172.672.172.001.402.503.003.332.204.203.802.672.673.503.002.4422.40
a4.503.603.172.501.862.002.404.805.004.332.801.834.253.401.001.502.171.331.002.252.401.332.603.002.204.503.832.332.002.7525.27
h1.000.400.170.000.000.170.000.200.330.000.000.000.000.200.000.000.000.170.400.000.201.001.000.201.200.330.000.170.330.262.36
k2.172.603.003.002.862.172.801.401.331.672.802.332.001.801.672.001.171.001.801.502.001.832.402.802.802.502.832.171.502.1319.57
x3.003.202.674.833.143.332.203.602.671.500.601.672.502.602.673.672.834.173.002.503.402.002.405.403.603.672.332.502.002.8826.45
o8.837.405.504.507.145.337.007.008.336.837.404.175.254.603.833.833.333.503.806.256.807.009.006.207.005.837.008.007.336.1456.30
i3.332.002.332.671.431.671.201.201.502.502.202.331.251.602.001.670.831.001.001.250.801.171.002.202.001.831.831.331.001.6615.22
c0.000.000.000.000.140.330.600.000.000.000.000.000.250.400.170.170.330.170.200.500.400.170.200.200.000.500.830.500.330.222.02
CV290.67255.60225.33208.17185.43178.83186.40196.20206.33201.00234.00189.33168.00164.60136.67151.67116.00106.67137.40140.00168.60199.33219.40226.00261.60220.00223.33196.33182.33192.25100
CVn92.5090.4071.0063.5054.8658.6763.6084.0077.3379.33104.60102.0081.0068.0054.8369.0043.6735.6763.2077.0094.60120.50141.60150.40168.80147.33151.33131.17128.0092.0047.85
CVs198.17165.20154.33144.67130.57120.17122.80112.20129.00121.67129.4087.3387.0096.6081.8382.6772.3371.0074.2063.0074.0078.8377.8075.6092.8072.6772.0065.1754.33100.2552.15