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* Preliminary evaluation / 4-Mar-2010 21:25:11 / will be updated *
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Provisional sunspot numbers
February 2010
+------+----------------+-------------------+-------+--------------+
| | | | | |
| Day | Groups | Wolf number | Beck | No. of Obs. |
| | | | index | |
| | N S Total | N S Total | | N/S T Beck |
| | | | | |
+------+----------------+-------------------+-------+--------------+
| 01. | 0.8 0.0 0.8 | 13 0 13 | 99 | 6 11 4 |
| 02. | 0.8 0.0 0.8 | 10 0 10 | 44 | 3 7 3 |
| 03. | 0.9 0.0 0.9 | 11 0 11 | 60 | 5 17 4 |
| 04. | 0.7 0.0 0.7 | 8 0 8 | 40 | 7 10 5 |
| 05. | 1.0 0.0 1.0 | 11 0 11 | 37 | 3 10 4 |
| 06. | 1.5 0.0 1.5 | 26 0 26 | 324 | 2 7 2 |
| 07. | 1.4 0.0 1.4 | 29 0 29 | 784 | 3 7 2 |
| 08. | 1.7 0.4 2.1 | 40 4 44 | 1261 | 4 8 3 |
| 09. | 1.8 0.9 2.7 | 40 9 49 | 715 | 2 8 3 |
| 10. | 1.7 0.2 2.0 | 40 3 43 | 1246 | 5 10 3 |
| 11. | 1.4 0.0 1.4 | 30 0 30 | 628 | 3 5 2 |
| 12. | 1.8 0.0 1.8 | 31 0 31 | 612 | 3 7 1 |
| 13. | 1.6 0.0 1.6 | 32 0 32 | 445 | 4 10 4 |
| 14. | 1.9 0.0 1.9 | 27 0 27 | 207 | 5 11 3 |
| 15. | 1.5 0.0 1.5 | 23 0 23 | 130 | 6 13 4 |
| 16. | 1.6 0.0 1.6 | 23 0 23 | 232 | 8 19 8 |
| 17. | 1.1 0.6 1.7 | 14 12 26 | 123 | 8 19 5 |
| 18. | 0.1 1.0 1.1 | 1 18 19 | - | 5 8 0 |
| 19. | 0.0 0.9 0.9 | 0 16 16 | 186 | 6 12 5 |
| 20. | 0.0 0.9 0.9 | 0 16 16 | 149 | 7 18 6 |
| 21. | 0.0 0.9 0.9 | 0 15 15 | 98 | 7 18 9 |
| 22. | 0.1 0.7 0.8 | 1 11 12 | 56 | 6 9 2 |
| 23. | 0.0 1.2 1.2 | 0 16 16 | 71 | 4 9 3 |
| 24. | 0.4 1.1 1.5 | 5 16 21 | 93 | 4 11 3 |
| 25. | 0.8 0.8 1.7 | 10 12 22 | 65 | 8 16 6 |
| 26. | 0.9 0.5 1.4 | 11 7 18 | 102 | 3 10 4 |
| 27. | 0.8 0.2 1.0 | 10 3 13 | 95 | 8 18 9 |
| 28. | 0.8 0.0 0.8 | 10 0 10 | 57 | 5 10 4 |
+------+----------------+-------------------+-------+--------------+
| Mean | 1.0 0.4 1.3 | 16.3 5.6 21.9 | 295 | 5 11 4 |
+------+----------------+-------------------+-------+--------------+
| Days | 28 28 28 | 28 28 28 | 27 | |
+------+----------------+-------------------+-------+--------------+
Based on 318 observations of 30 stations.
Araujo,G. L 80 910 25 Kandilli Obs. L2003070 15
Barnes,H. L 76 910 10 Lau,D. L 60 700 5
Battaiola,R. S 901250 3 Michalovce Obs. L1502250 3
Beltran,G.V. S2001600 22 Moeller,M. L 791000 12
Bretschneider,H.L 63 840 10 Morales,G. S 902000 25
Bruegger,S. L 80 400 4 Rim. Sobota Obs.L1502250 6
Chudy,M. L 60 700 8 Robeck,G. S2032000 10
Dubois,F. L1252500 19 Ruemmler,F. L 801200 9
Fritsche,S. L 63 840 9 Schott,G.-L. L 80 910 9
Gieseke,R. F 50 300 10 Schroeder,G. L 751200 14
Hesse,A. L1001000 4 Suzuki,M. L100 0 23
Hurbanovo Obs. L1502250 19 Tiendesprong ObsL 751200 7
Joppich,H. L 60 900 3 Van Slooten,B. L 901300 14
Junker,E. L 50 600 8 WFS,Berlin L1502250 3
Kaczmarek,A. L 80 400 4 Willi,X. S2001320 5