Provisional sunspot numbers February 2007 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.0 1.4 1.4 | 0 25 25 | 265 | 8 11 3 | | 02. | 0.0 1.5 1.5 | 0 27 27 | 303 | 4 12 4 | | 03. | 0.0 1.5 1.5 | 0 22 22 | 217 | 9 16 8 | | 04. | 0.0 1.5 1.5 | 0 19 19 | 119 | 6 14 6 | | 05. | 0.0 1.4 1.4 | 0 17 17 | 86 | 6 11 5 | | 06. | 0.0 1.5 1.5 | 0 17 17 | 135 | 5 11 3 | | 07. | 0.0 1.6 1.6 | 0 18 18 | 123 | 7 12 7 | | 08. | 0.0 0.8 0.8 | 0 9 9 | 61 | 5 9 4 | | 09. | 0.0 0.8 0.8 | 0 9 9 | 47 | 4 9 2 | | 10. | 0.0 0.9 0.9 | 0 10 10 | 58 | 5 10 4 | | 11. | 0.0 0.0 0.0 | 0 0 0 | 0 | 4 8 4 | | 12. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 14 3 | | 13. | 0.0 0.0 0.0 | 0 0 0 | 0 | 3 9 1 | | 14. | 0.0 0.0 0.0 | 0 0 0 | 0 | 7 12 5 | | 15. | 0.0 0.1 0.1 | 0 2 2 | 0 | 5 10 2 | | 16. | 0.0 0.3 0.3 | 0 3 3 | 4 | 11 20 8 | | 17. | 0.0 0.8 0.8 | 0 9 9 | 43 | 10 21 8 | | 18. | 0.0 0.8 0.8 | 0 10 10 | 43 | 10 19 8 | | 19. | 0.0 1.3 1.3 | 0 17 17 | 37 | 3 5 2 | | 20. | 0.0 1.3 1.3 | 0 16 16 | 16 | 4 8 1 | | 21. | 0.0 0.9 0.9 | 0 12 12 | 66 | 8 16 5 | | 22. | 0.0 1.2 1.2 | 0 15 15 | 51 | 7 19 5 | | 23. | 0.0 0.9 0.9 | 0 11 11 | 60 | 4 11 1 | | 24. | 0.0 0.8 0.8 | 0 9 9 | 54 | 6 13 5 | | 25. | 0.0 0.9 0.9 | 0 10 10 | 94 | 2 7 2 | | 26. | 0.0 1.4 1.4 | 0 16 16 | 51 | 1 6 2 | | 27. | 0.0 1.4 1.4 | 0 17 17 | 169 | 6 9 3 | | 28. | 0.0 0.8 0.8 | 0 10 10 | 43 | 5 8 1 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.0 0.9 0.9 | 0.0 11.7 11.7 | 77 | 6 12 4 | +------+----------------+-------------------+-------+--------------+ | Days | 28 28 28 | 28 28 28 | 28 | | +------+----------------+-------------------+-------+--------------+ Based on 330 observations of 29 stations. Araujo,G. L 80 910 24 Kandilli Obs. L2003070 14 Barnes,H. L 76 910 14 Kysucka Obs. L2003000 14 Battaiola,R. S 901250 2 Michalovce Obs. L1502250 3 Beltran,G.V. S2001600 13 Moeller,M. L 791000 18 Bretschneider,H.L 63 840 8 Morales,G. S 902000 21 Capricornio Obs.L1021500 13 Rim. Sobota Obs.L1502250 11 Chudy,M. L 60 700 9 Robeck,G. S2032000 11 Fritsche,S. L 63 840 10 Ruemmler,F. L 801200 7 Hoerenz,M. L 60 700 5 Schroeder,G. L 751200 20 Hofmann,W. L 80 400 10 Schulze,W. L 63 840 7 Holl,M. L 80 400 8 Suzuki,M. L100 0 24 Hurbanovo Obs. L1502250 19 Tiendesprong ObsL 751200 11 Joppich,H. L 60 900 2 Van Slooten,B. L 901300 12 Junker,E. L 50 600 11 WFS,Berlin L1502250 5 Kaczmarek,A. L 80 400 4