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Daily Sun Spot Data (1818 to 2019)
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csv xlsx
date of update: 2024-08-31 10:15:05
quantity: 73718
Year Month Day Date In Fraction Of Year Number of Sunspots Standard Deviation Observations Indicator
1820
9
27 1820.739
0
2.0
1
1
1820
9
28 1820.7420000
0
2.0
1
1
1820
9
29 1820.745
0
2.0
1
1
1820
9
30 1820.747
0
2.0
1
1
1820
10
1 1820.75
0
2.0
1
1
1820
10
2 1820.753
0
2.0
1
1
1820
10
3 1820.755
0
2.0
1
1
1820
10
4 1820.7579999
0
2.0
1
1
1820
10
5 1820.761
0
2.0
1
1
1820
10
6 1820.764
0
2.0
1
1
1820
10
7 1820.766
0
2.0
1
1
1820
10
8 1820.769
0
2.0
1
1
1820
10
9 1820.7720000
0
2.0
1
1
1820
10
10 1820.775
0
2.0
1
1
1820
10
11 1820.777
0
2.0
1
1
1820
10
12 1820.78
25
6.3
1
1
1820
10
13 1820.783
25
6.3
1
1
1820
10
14 1820.786
25
6.3
1
1
1820
10
15 1820.7879999
-1
-1.0
0
1
1820
10
16 1820.7910000
-1
-1.0
0
1
1820
10
17 1820.7939999
53
9.3
1
1
1820
10
18 1820.796
-1
-1.0
0
1
1820
10
19 1820.799
65
10.2
1
1
1820
10
20 1820.8020000
60
9.8
1
1
1820
10
21 1820.805
67
10.3
1
1
1820
10
22 1820.807
67
10.3
1
1
1820
10
23 1820.81
-1
-1.0
0
1
1820
10
24 1820.8129999
-1
-1.0
0
1
1820
10
25 1820.816
0
2.0
1
1
1820
10
26 1820.818
0
2.0
1
1
1820
10
27 1820.8210000
0
2.0
1
1
1820
10
28 1820.8239999
0
2.0
1
1
1820
10
29 1820.8270000
0
2.0
1
1
1820
10
30 1820.829
0
2.0
1
1
1820
10
31 1820.832
0
2.0
1
1
1820
11
1 1820.835
0
2.0
1
1
1820
11
2 1820.8370000
0
2.0
1
1
1820
11
3 1820.84
0
2.0
1
1
1820
11
4 1820.8429999
0
2.0
1
1
1820
11
5 1820.846
0
2.0
1
1
1820
11
6 1820.848
0
2.0
1
1
1820
11
7 1820.851
0
2.0
1
1
1820
11
8 1820.854
-1
-1.0
0
1
1820
11
9 1820.8570000
35
7.5
1
1
1820
11
10 1820.859
-1
-1.0
0
1
1820
11
11 1820.862
-1
-1.0
0
1
1820
11
12 1820.865
-1
-1.0
0
1
1820
11
13 1820.8670000
-1
-1.0
0
1
1820
11
14 1820.87
-1
-1.0
0
1
1820
11
15 1820.8729999
25
6.3
1
1
1820
11
16 1820.876
-1
-1.0
0
1
1820
11
17 1820.878
25
6.3
1
1
1820
11
18 1820.881
-1
-1.0
0
1
1820
11
19 1820.884
-1
-1.0
0
1
1820
11
20 1820.8870000
-1
-1.0
0
1
1820
11
21 1820.889
-1
-1.0
0
1
1820
11
22 1820.892
-1
-1.0
0
1
1820
11
23 1820.895
-1
-1.0
0
1
1820
11
24 1820.898
-1
-1.0
0
1
1820
11
25 1820.9
-1
-1.0
0
1
1820
11
26 1820.9029999
-1
-1.0
0
1
1820
11
27 1820.906
32
7.1
1
1
1820
11
28 1820.908
28
6.7
1
1
1820
11
29 1820.911
27
6.5
1
1
1820
11
30 1820.914
-1
-1.0
0
1
1820
12
1 1820.9170000
-1
-1.0
0
1
1820
12
2 1820.9189999
-1
-1.0
0
1
1820
12
3 1820.922
-1
-1.0
0
1
1820
12
4 1820.925
-1
-1.0
0
1
1820
12
5 1820.9279999
-1
-1.0
0
1
1820
12
6 1820.93
-1
-1.0
0
1
1820
12
7 1820.933
53
9.3
1
1
1820
12
8 1820.9360000
-1
-1.0
0
1
1820
12
9 1820.9389999
-1
-1.0
0
1
1820
12
10 1820.941
-1
-1.0
0
1
1820
12
11 1820.944
65
10.2
1
1
1820
12
12 1820.9470000
-1
-1.0
0
1
1820
12
13 1820.9489999
-1
-1.0
0
1
1820
12
14 1820.9520000
35
7.5
1
1
1820
12
15 1820.955
38
7.8
1
1
1820
12
16 1820.9579999
50
9.0
1
1
1820
12
17 1820.96
-1
-1.0
0
1
1820
12
18 1820.963
-1
-1.0
0
1
1820
12
19 1820.9660000
-1
-1.0
0
1
1820
12
20 1820.969
0
2.0
1
1
1820
12
21 1820.971
0
2.0
1
1
1820
12
22 1820.974
0
2.0
1
1
1820
12
23 1820.977
0
2.0
1
1
1820
12
24 1820.98
0
2.0
1
1
1820
12
25 1820.9820000
0
2.0
1
1
1820
12
26 1820.985
0
2.0
1
1
1820
12
27 1820.9879999
0
2.0
1
1
1820
12
28 1820.99
0
2.0
1
1
1820
12
29 1820.993
0
2.0
1
1
1820
12
30 1820.996
-1
-1.0
0
1
1820
12
31 1820.999
0
2.0
1
1
1821
1
1 1821.001
-1
-1.0
0
1
1821
1
2 1821.004
-1
-1.0
0
1
1821
1
3 1821.007
35
7.5
1
1
1821
1
4 1821.01
-1
-1.0
0
1