The Sunspot Observer - Average annual indices of solar activity NGDC - March, 2001

Statistics of sunspot activity

March, 2001

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W55.5061.67129.50134.50127.67122.75100.3381.0097.67133.75124.00137.50109.67139.00112.6784.6769.7572.0071.7589.6799.00108.33131.00181.00277.67286.33325.75331.50288.33313.67287.75151.14100
Wn24.0028.3381.2574.7579.0091.2572.6768.2561.0069.2544.5043.7524.6718.0018.3316.6721.0023.2535.7545.6758.0081.3388.75116.00170.00153.33178.25166.50150.33161.33153.5078.0251.62
Ws31.5033.3348.2559.7548.6731.5027.6712.7536.6764.5079.5093.7585.00121.0094.3368.0048.7548.7536.0044.0041.0027.0042.2565.00107.67133.00147.50165.00138.00152.33134.2573.1248.38
n4.004.677.507.507.336.505.673.755.006.257.008.256.007.004.004.003.253.254.005.336.505.678.0010.7514.3314.3316.0017.2515.6713.3312.257.88100
A0.500.000.000.500.000.500.670.001.000.252.001.750.671.330.330.670.251.000.000.000.500.001.251.002.670.671.252.501.671.000.750.8010.10
B0.500.001.500.500.330.000.670.500.000.500.250.500.671.000.330.000.000.500.000.000.000.000.500.751.330.671.501.751.001.670.250.557.03
C1.001.331.251.250.671.250.670.001.330.500.751.001.332.000.671.670.750.251.001.330.501.330.252.254.332.332.753.751.672.672.001.4117.94
D1.001.334.002.753.002.001.670.750.673.002.250.500.670.671.330.670.750.250.251.331.501.672.252.002.673.674.502.252.670.672.251.7722.48
E0.000.000.000.500.330.750.670.751.000.500.251.251.000.670.330.330.000.000.000.000.000.330.500.751.001.330.000.251.001.331.500.536.68
F0.000.000.000.000.000.000.000.000.000.000.000.000.000.330.330.670.500.250.750.000.000.670.501.251.331.671.251.251.001.001.500.465.83
G0.000.000.000.501.000.751.000.750.331.000.751.000.330.000.330.000.751.001.251.673.001.001.500.750.670.672.501.251.671.670.500.8911.29
H0.000.000.000.000.000.000.000.250.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.250.000.330.500.040.55
I1.002.000.751.502.001.250.330.750.670.500.752.251.331.000.330.000.250.000.751.001.000.671.252.000.333.332.254.005.003.003.001.4318.11
x1.000.001.501.000.330.501.330.501.000.752.252.251.332.330.670.670.251.500.000.000.500.001.751.754.001.332.754.252.672.671.001.3517.12
r0.002.671.000.750.330.750.330.000.000.750.500.250.330.330.000.330.500.500.750.330.000.330.251.500.672.331.501.001.330.000.250.638.02
s3.002.002.252.253.331.000.330.751.670.750.503.252.332.332.330.670.500.250.752.001.501.672.753.753.335.677.257.255.333.673.502.5131.89
a0.000.002.753.503.334.003.671.501.673.253.252.502.002.001.002.332.001.002.253.004.503.002.252.755.003.673.503.505.334.335.002.8335.95
h0.000.000.000.000.000.250.000.000.000.250.250.000.000.000.000.000.000.000.000.000.000.330.000.000.000.000.000.000.000.670.500.070.92
k0.000.000.000.000.000.000.001.000.670.500.250.000.000.000.000.000.000.000.250.000.000.331.001.001.331.331.001.251.002.002.000.486.11
x1.502.000.752.002.001.751.001.001.670.752.754.002.002.330.670.670.501.000.751.001.500.672.503.003.004.003.506.756.674.334.252.2728.75
o2.502.675.003.755.003.754.001.752.334.503.253.003.003.672.332.002.252.002.504.335.004.004.255.508.006.3311.008.756.006.675.004.3354.88
i0.000.001.751.750.331.000.671.001.001.001.001.000.670.670.671.330.500.250.500.000.001.001.001.502.673.330.751.002.671.332.001.0413.23
c0.000.000.000.000.000.000.000.000.000.000.000.250.330.330.330.000.000.000.250.000.000.000.250.750.670.670.750.750.331.001.000.253.14
CV47.5048.00104.00107.00117.67100.0076.6783.0079.67119.0094.5097.7575.3374.3371.6751.6749.5034.7571.0085.00105.00117.33149.50176.75213.67255.67260.75231.75230.33241.00252.00123.28100
CVn30.0016.3368.0052.2565.3375.2562.3377.0058.3362.5045.5035.0024.6715.3319.3315.6716.5011.0032.2556.6759.0090.00114.75130.25133.67145.33125.75119.50127.00129.67134.0069.3056.21
CVs17.5031.6736.0054.7552.3324.7514.336.0021.3356.5049.0062.7550.6759.0052.3336.0033.0023.7538.7528.3346.0027.3334.7546.5080.00110.33135.00112.25103.33111.33118.0053.9943.79