Statistics of sunspot activity
July, 2000
Visual indices of solar activity by National Geophysical Data Center
Date | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | Average | % |
W | 188.00 | 171.67 | 139.33 | 157.50 | 181.67 | 180.75 | 217.67 | 251.33 | 226.00 | 233.25 | 260.75 | 213.50 | 225.00 | 238.50 | 213.00 | 246.00 | 295.75 | 244.50 | 296.00 | 346.25 | 290.50 | 278.25 | 248.00 | 211.67 | 226.25 | 179.25 | 128.40 | 166.50 | 147.50 | 127.75 | 115.00 | 214.37 | 100 |
Wn | 96.50 | 78.00 | 62.33 | 72.50 | 93.67 | 82.00 | 105.00 | 113.00 | 96.50 | 99.25 | 121.75 | 114.50 | 131.50 | 164.75 | 159.75 | 179.67 | 189.50 | 146.50 | 177.33 | 203.25 | 172.25 | 161.25 | 132.75 | 103.33 | 106.00 | 92.50 | 64.20 | 87.25 | 72.25 | 62.00 | 46.00 | 115.71 | 53.98 |
Ws | 91.50 | 93.67 | 77.00 | 85.00 | 88.00 | 98.75 | 112.67 | 138.33 | 129.50 | 134.00 | 139.00 | 99.00 | 93.50 | 73.75 | 53.25 | 66.33 | 106.25 | 98.00 | 118.67 | 143.00 | 118.25 | 117.00 | 115.25 | 108.33 | 120.25 | 86.75 | 64.20 | 79.25 | 75.25 | 65.75 | 69.00 | 98.66 | 46.02 |
n | 12.00 | 12.00 | 10.00 | 9.75 | 11.67 | 10.75 | 12.00 | 11.33 | 11.00 | 11.00 | 12.75 | 11.50 | 12.00 | 12.00 | 9.25 | 11.00 | 13.50 | 11.75 | 15.00 | 15.25 | 12.25 | 13.00 | 11.00 | 10.00 | 10.50 | 10.00 | 9.00 | 12.00 | 10.50 | 9.25 | 8.00 | 11.32 | 100 |
A | 0.00 | 1.00 | 0.33 | 0.50 | 3.00 | 1.50 | 0.33 | 1.00 | 0.25 | 0.00 | 0.75 | 0.25 | 1.00 | 0.75 | 0.75 | 0.33 | 0.50 | 0.50 | 0.33 | 0.50 | 0.25 | 0.25 | 0.25 | 0.00 | 0.75 | 1.00 | 1.20 | 2.50 | 1.00 | 1.00 | 0.50 | 0.72 | 6.35 |
B | 0.00 | 0.33 | 0.33 | 0.25 | 0.67 | 1.25 | 1.33 | 1.00 | 1.25 | 0.50 | 0.25 | 0.75 | 1.00 | 1.00 | 1.00 | 1.33 | 1.00 | 0.75 | 0.67 | 1.00 | 0.00 | 0.00 | 0.25 | 0.00 | 1.25 | 0.75 | 0.40 | 0.75 | 0.75 | 0.75 | 1.25 | 0.70 | 6.22 |
C | 2.50 | 2.67 | 1.33 | 2.00 | 1.00 | 2.25 | 3.00 | 1.33 | 0.75 | 0.75 | 1.75 | 2.00 | 1.00 | 1.50 | 2.25 | 1.67 | 2.50 | 0.75 | 2.67 | 3.00 | 1.00 | 1.75 | 2.00 | 1.33 | 1.50 | 2.25 | 1.60 | 2.00 | 1.50 | 1.50 | 0.50 | 1.73 | 15.27 |
D | 1.00 | 2.00 | 1.67 | 2.25 | 3.00 | 2.75 | 3.00 | 2.00 | 1.75 | 1.50 | 1.50 | 3.75 | 4.00 | 3.25 | 2.75 | 4.00 | 4.00 | 3.25 | 3.67 | 1.75 | 1.75 | 2.25 | 1.25 | 1.00 | 1.50 | 1.25 | 0.80 | 2.00 | 1.50 | 1.50 | 1.25 | 2.22 | 19.62 |
E | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.25 | 0.67 | 2.00 | 1.00 | 1.75 | 1.00 | 0.75 | 0.00 | 0.00 | 0.00 | 0.67 | 1.25 | 1.25 | 0.33 | 0.75 | 0.75 | 1.00 | 0.75 | 1.33 | 1.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 4.84 |
F | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 1.25 | 1.25 | 2.00 | 1.25 | 1.50 | 1.00 | 1.00 | 1.33 | 0.50 | 0.25 | 0.67 | 1.00 | 1.25 | 1.50 | 2.00 | 1.67 | 1.75 | 1.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.77 | 6.76 |
G | 1.00 | 0.33 | 0.33 | 0.25 | 0.00 | 0.00 | 0.33 | 0.67 | 1.50 | 1.00 | 2.00 | 1.25 | 2.50 | 1.25 | 0.25 | 0.00 | 1.75 | 2.00 | 2.33 | 2.25 | 2.25 | 1.50 | 0.75 | 1.33 | 0.75 | 1.00 | 0.40 | 0.25 | 0.75 | 0.75 | 1.00 | 1.02 | 9.04 |
H | 0.50 | 0.67 | 0.33 | 0.25 | 0.33 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.69 |
I | 6.50 | 5.00 | 5.67 | 4.00 | 3.67 | 2.75 | 3.33 | 2.33 | 3.25 | 4.25 | 3.50 | 1.50 | 1.00 | 3.25 | 1.25 | 1.67 | 2.00 | 3.00 | 4.33 | 5.00 | 5.00 | 4.75 | 3.75 | 3.33 | 2.00 | 2.50 | 4.20 | 4.50 | 5.00 | 3.75 | 3.50 | 3.53 | 31.21 |
x | 0.00 | 1.33 | 0.67 | 0.75 | 3.67 | 2.75 | 1.67 | 2.00 | 1.50 | 0.50 | 1.00 | 1.00 | 2.00 | 1.75 | 1.75 | 1.67 | 1.50 | 1.25 | 1.00 | 1.50 | 0.25 | 0.25 | 0.50 | 0.00 | 2.00 | 1.75 | 1.60 | 3.25 | 1.75 | 1.75 | 1.75 | 1.42 | 12.56 |
r | 0.00 | 0.67 | 0.33 | 0.25 | 1.00 | 0.75 | 1.00 | 1.00 | 0.75 | 0.75 | 0.25 | 0.50 | 0.00 | 0.00 | 0.50 | 0.67 | 0.50 | 0.00 | 1.00 | 1.00 | 0.00 | 0.25 | 0.25 | 0.00 | 0.50 | 1.00 | 1.20 | 1.75 | 0.75 | 0.75 | 0.00 | 0.56 | 4.95 |
s | 7.50 | 6.33 | 6.33 | 3.50 | 2.33 | 3.25 | 5.00 | 2.00 | 4.00 | 4.25 | 4.75 | 3.50 | 2.50 | 4.25 | 1.75 | 3.00 | 4.25 | 4.50 | 5.00 | 8.00 | 6.25 | 5.25 | 5.75 | 6.33 | 4.75 | 4.25 | 4.60 | 5.25 | 6.25 | 5.50 | 5.25 | 4.69 | 41.43 |
a | 2.50 | 2.00 | 1.67 | 4.50 | 4.33 | 3.50 | 3.33 | 5.00 | 3.25 | 4.50 | 4.75 | 4.50 | 5.50 | 5.25 | 4.00 | 4.33 | 6.50 | 5.25 | 7.00 | 3.25 | 3.00 | 5.00 | 2.75 | 2.67 | 2.25 | 2.75 | 1.40 | 1.75 | 1.75 | 1.25 | 1.00 | 3.56 | 31.48 |
h | 0.50 | 1.00 | 0.33 | 0.25 | 0.00 | 0.00 | 0.00 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.96 |
k | 1.50 | 0.67 | 0.67 | 0.50 | 0.33 | 0.50 | 1.00 | 1.00 | 1.50 | 1.00 | 2.00 | 2.00 | 2.00 | 0.75 | 1.00 | 1.33 | 0.50 | 0.75 | 1.00 | 1.50 | 2.50 | 2.25 | 1.75 | 1.00 | 1.00 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.98 | 8.62 |
x | 7.00 | 6.67 | 6.33 | 4.75 | 7.00 | 4.25 | 3.67 | 3.67 | 3.50 | 4.25 | 4.25 | 1.75 | 2.00 | 4.00 | 2.00 | 2.00 | 2.50 | 3.50 | 4.67 | 5.50 | 5.25 | 5.00 | 4.00 | 3.33 | 2.75 | 3.50 | 5.40 | 7.00 | 6.00 | 4.75 | 4.00 | 4.33 | 38.24 |
o | 4.00 | 4.67 | 3.33 | 4.75 | 3.67 | 5.00 | 6.67 | 4.67 | 4.25 | 2.75 | 5.25 | 7.00 | 8.50 | 6.50 | 6.00 | 6.33 | 8.75 | 6.75 | 8.67 | 7.75 | 4.75 | 5.25 | 4.00 | 3.67 | 4.75 | 4.25 | 2.40 | 3.75 | 4.50 | 4.25 | 3.75 | 5.18 | 45.75 |
i | 0.50 | 0.67 | 0.33 | 0.25 | 1.00 | 1.00 | 1.00 | 1.33 | 2.25 | 2.25 | 1.50 | 1.75 | 0.50 | 1.00 | 0.75 | 2.33 | 2.00 | 1.50 | 0.33 | 0.50 | 0.75 | 1.00 | 0.75 | 0.33 | 0.50 | 0.75 | 0.60 | 0.75 | 0.00 | 0.25 | 0.25 | 0.93 | 8.17 |
c | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.67 | 1.67 | 1.00 | 1.75 | 1.75 | 1.00 | 1.00 | 0.50 | 0.50 | 0.33 | 0.25 | 0.00 | 1.33 | 1.50 | 1.50 | 1.75 | 2.25 | 2.67 | 2.50 | 1.50 | 0.60 | 0.50 | 0.00 | 0.00 | 0.00 | 0.89 | 7.84 |
CV | 208.50 | 181.33 | 144.00 | 134.75 | 116.33 | 128.50 | 176.33 | 200.67 | 208.50 | 211.75 | 261.75 | 245.25 | 249.00 | 189.00 | 152.00 | 197.33 | 229.50 | 201.75 | 247.67 | 258.25 | 274.00 | 266.75 | 230.00 | 223.33 | 203.00 | 146.75 | 102.00 | 115.00 | 111.00 | 103.75 | 98.25 | 187.61 | 100 |
CVn | 113.00 | 73.33 | 56.67 | 57.75 | 41.00 | 48.75 | 82.67 | 92.67 | 97.50 | 104.50 | 149.50 | 148.25 | 171.00 | 119.75 | 103.75 | 150.00 | 150.50 | 123.25 | 174.67 | 163.50 | 185.25 | 172.50 | 131.25 | 122.00 | 103.25 | 77.00 | 61.20 | 79.75 | 60.50 | 57.25 | 43.50 | 106.95 | 57.01 |
CVs | 95.50 | 108.00 | 87.33 | 77.00 | 75.33 | 79.75 | 93.67 | 108.00 | 111.00 | 107.25 | 112.25 | 97.00 | 78.00 | 69.25 | 48.25 | 47.33 | 79.00 | 78.50 | 73.00 | 94.75 | 88.75 | 94.25 | 98.75 | 101.33 | 99.75 | 69.75 | 40.80 | 35.25 | 50.50 | 46.50 | 54.75 | 80.66 | 42.99 |
|