Common
Animals
Fish
Mushrooms
Flora
Login
Registration
Back

Daily Sun Spot Data (1818 to 2019)

Register and receive a token to access the API. The token will be available in your personal account.
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
3
11 1820.193
0
2.0
1
1
1820
3
12 1820.195
0
2.0
1
1
1820
3
13 1820.1979999
0
2.0
1
1
1820
3
14 1820.201
0
2.0
1
1
1820
3
15 1820.204
0
2.0
1
1
1820
3
16 1820.2060000
27
6.5
1
1
1820
3
17 1820.2089999
28
6.7
1
1
1820
3
18 1820.2120000
77
11.1
1
1
1820
3
19 1820.214
-1
-1.0
0
1
1820
3
20 1820.217
40
8.0
1
1
1820
3
21 1820.22
-1
-1.0
0
1
1820
3
22 1820.223
-1
-1.0
0
1
1820
3
23 1820.225
-1
-1.0
0
1
1820
3
24 1820.2279999
-1
-1.0
0
1
1820
3
25 1820.231
-1
-1.0
0
1
1820
3
26 1820.234
-1
-1.0
0
1
1820
3
27 1820.236
-1
-1.0
0
1
1820
3
28 1820.239
0
2.0
1
1
1820
3
29 1820.2420000
0
2.0
1
1
1820
3
30 1820.245
0
2.0
1
1
1820
3
31 1820.247
0
2.0
1
1
1820
4
1 1820.25
0
2.0
1
1
1820
4
2 1820.253
0
2.0
1
1
1820
4
3 1820.255
0
2.0
1
1
1820
4
4 1820.2579999
0
2.0
1
1
1820
4
5 1820.261
0
2.0
1
1
1820
4
6 1820.264
-1
-1.0
0
1
1820
4
7 1820.266
52
9.1
1
1
1820
4
8 1820.269
52
9.1
1
1
1820
4
9 1820.2720000
25
6.3
1
1
1820
4
10 1820.275
-1
-1.0
0
1
1820
4
11 1820.277
25
6.3
1
1
1820
4
12 1820.28
-1
-1.0
0
1
1820
4
13 1820.283
-1
-1.0
0
1
1820
4
14 1820.286
63
10.1
1
1
1820
4
15 1820.2879999
100
12.7
1
1
1820
4
16 1820.2910000
67
10.3
1
1
1820
4
17 1820.2939999
58
9.7
1
1
1820
4
18 1820.296
48
8.8
1
1
1820
4
19 1820.299
48
8.8
1
1
1820
4
20 1820.3020000
25
6.3
1
1
1820
4
21 1820.305
25
6.3
1
1
1820
4
22 1820.307
25
6.3
1
1
1820
4
23 1820.31
-1
-1.0
0
1
1820
4
24 1820.3129999
-1
-1.0
0
1
1820
4
25 1820.316
-1
-1.0
0
1
1820
4
26 1820.318
-1
-1.0
0
1
1820
4
27 1820.3210000
-1
-1.0
0
1
1820
4
28 1820.3239999
-1
-1.0
0
1
1820
4
29 1820.3270000
0
2.0
1
1
1820
4
30 1820.329
-1
-1.0
0
1
1820
5
1 1820.332
-1
-1.0
0
1
1820
5
2 1820.335
-1
-1.0
0
1
1820
5
3 1820.3370000
-1
-1.0
0
1
1820
5
4 1820.34
-1
-1.0
0
1
1820
5
5 1820.3429999
25
6.3
1
1
1820
5
6 1820.346
25
6.3
1
1
1820
5
7 1820.348
25
6.3
1
1
1820
5
8 1820.351
-1
-1.0
0
1
1820
5
9 1820.354
67
10.3
1
1
1820
5
10 1820.3570000
60
9.8
1
1
1820
5
11 1820.359
60
9.8
1
1
1820
5
12 1820.362
97
12.5
1
1
1820
5
13 1820.365
93
12.2
1
1
1820
5
14 1820.3670000
100
12.7
1
1
1820
5
15 1820.37
70
10.6
1
1
1820
5
16 1820.3729999
32
7.1
1
1
1820
5
17 1820.376
38
7.8
1
1
1820
5
18 1820.378
33
7.3
1
1
1820
5
19 1820.381
27
6.5
1
1
1820
5
20 1820.384
27
6.5
1
1
1820
5
21 1820.3870000
28
6.7
1
1
1820
5
22 1820.389
27
6.5
1
1
1820
5
23 1820.392
-1
-1.0
0
1
1820
5
24 1820.395
-1
-1.0
0
1
1820
5
25 1820.398
-1
-1.0
0
1
1820
5
26 1820.4
-1
-1.0
0
1
1820
5
27 1820.4029999
-1
-1.0
0
1
1820
5
28 1820.406
-1
-1.0
0
1
1820
5
29 1820.408
33
7.3
1
1
1820
5
30 1820.411
58
9.7
1
1
1820
5
31 1820.414
53
9.3
1
1
1820
6
1 1820.4170000
52
9.1
1
1
1820
6
2 1820.4189999
33
7.3
1
1
1820
6
3 1820.422
25
6.3
1
1
1820
6
4 1820.425
0
2.0
1
1
1820
6
5 1820.4279999
0
2.0
1
1
1820
6
6 1820.43
0
2.0
1
1
1820
6
7 1820.433
0
2.0
1
1
1820
6
8 1820.4360000
0
2.0
1
1
1820
6
9 1820.4389999
0
2.0
1
1
1820
6
10 1820.441
0
2.0
1
1
1820
6
11 1820.444
0
2.0
1
1
1820
6
12 1820.4470000
0
2.0
1
1
1820
6
13 1820.4489999
0
2.0
1
1
1820
6
14 1820.4520000
0
2.0
1
1
1820
6
15 1820.455
0
2.0
1
1
1820
6
16 1820.4579999
0
2.0
1
1
1820
6
17 1820.46
0
2.0
1
1
1820
6
18 1820.463
25
6.3
1
1