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

Statistics of sunspot activity

May, 2001

Visual indices of solar activity by National Geophysical Data Center

Date12345678910111213141516171819202122232425262728293031Average%
W151.00167.50156.50170.75175.00 105.0079.2591.3382.0099.50101.00114.33129.00130.50115.50122.33104.6793.6787.25104.00154.67164.25156.50125.50155.75176.50144.00117.2580.0083.00124.58100
Wn117.00133.00122.75137.00127.25 56.0038.5030.6728.2539.2547.2063.3354.7556.2556.0073.6777.0066.6756.5067.0096.67107.00100.7588.25113.75130.00106.2592.5060.6758.3380.0764.27
Ws34.0034.5033.7533.7547.75 49.0040.7560.6753.7560.2553.8051.0074.2574.2559.5048.6727.6727.0030.7537.0058.0057.2555.7537.2542.0046.5037.7524.7519.3324.6744.5135.73
n8.008.258.508.509.75 7.255.506.336.256.505.405.336.257.006.006.006.006.335.507.0010.0010.259.257.0010.5012.2510.009.005.336.337.52100
A0.250.751.251.000.00 0.751.251.330.251.001.000.331.001.000.000.000.330.670.500.501.671.750.750.250.750.751.502.250.671.000.8210.86
B0.750.000.000.000.25 0.250.000.330.250.000.400.000.251.250.250.000.330.000.000.000.670.751.001.252.003.000.500.500.330.000.486.35
C1.250.500.251.500.75 2.251.252.672.001.750.800.001.750.750.000.000.331.330.001.503.001.751.001.251.501.752.001.250.671.331.2016.02
D1.001.250.751.001.50 0.500.250.330.751.501.401.671.001.002.752.332.002.002.501.501.001.752.001.001.252.502.502.000.671.001.4218.91
E1.000.750.000.500.50 0.250.000.000.000.250.401.330.500.500.250.670.330.330.251.001.000.750.250.500.250.500.250.000.670.330.445.90
F0.251.001.001.001.25 0.750.500.000.000.000.000.000.500.750.750.670.000.000.000.000.000.250.750.000.000.250.000.000.000.000.324.29
G1.000.251.500.750.50 0.750.500.670.250.750.600.671.000.751.000.671.670.331.250.000.000.000.000.250.750.251.000.000.330.670.608.02
H0.000.000.000.000.00 0.000.000.000.250.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.750.000.000.030.44
I2.503.753.752.755.00 1.751.751.002.501.250.801.330.251.001.001.671.001.671.002.502.673.253.502.504.003.252.252.252.002.002.2029.21
x1.000.751.251.000.25 1.001.251.670.501.001.400.331.252.250.250.000.670.670.500.502.332.501.751.502.753.752.002.751.001.001.2917.21
r1.000.500.750.250.25 0.000.250.001.000.000.000.000.250.000.000.000.000.670.000.000.000.750.500.250.750.500.500.250.000.000.283.73
s3.504.001.753.253.50 3.501.752.672.253.001.402.332.002.002.251.003.002.671.504.505.334.253.253.253.003.253.502.252.673.002.8537.93
a2.252.504.754.005.75 2.752.252.002.001.502.402.672.502.503.505.002.332.333.251.001.331.752.751.253.003.753.002.751.672.332.6935.83
h0.000.000.000.000.00 0.000.000.000.250.000.000.000.000.000.000.000.000.000.000.000.330.500.000.000.000.000.500.250.000.000.060.81
k0.250.500.000.000.00 0.000.000.000.251.000.200.000.250.250.000.000.000.000.251.000.670.501.000.751.001.000.500.750.000.000.344.49
x2.754.505.003.755.00 2.503.002.333.002.251.801.671.252.001.001.671.332.331.503.004.335.004.252.754.754.003.755.252.673.003.0540.51
o3.751.752.503.252.75 3.752.004.003.003.753.202.334.003.754.003.004.003.673.753.004.673.753.253.255.257.506.003.502.003.003.5847.60
i1.501.751.001.502.00 1.000.500.000.250.500.401.331.001.251.001.330.670.330.251.001.001.501.751.000.500.750.250.250.670.330.8911.78
c0.000.250.000.000.00 0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.010.11
CV113.25128.00100.75112.25132.00 93.2556.0058.3375.75111.2571.2095.3393.2594.25115.75105.00106.0083.33100.00123.50130.67137.00133.0095.00120.75146.50147.25111.2565.3376.67104.40100
CVn95.00106.7584.2590.0095.75 55.7532.7528.0034.0056.2545.2050.0044.2548.5064.7566.6782.3370.0056.7584.5098.67114.00104.0078.50102.75115.50120.50101.5051.3359.3374.5871.44
CVs18.2521.2516.5022.2536.25 37.5023.2530.3341.7555.0026.0045.3349.0045.7551.0038.3323.6713.3343.2539.0032.0023.0029.0016.5018.0031.0026.759.7514.0017.3329.8128.56