Provisional sunspot numbers September 2004 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | - - 1.1 | - - 12 | 66 | 0 19 6 | | 02. | 0.5 0.5 1.0 | 6 6 12 | 112 | 2 22 8 | | 03. | 0.5 1.1 1.6 | 6 15 22 | 151 | 1 26 11 | | 04. | - - 1.8 | - - 26 | 236 | 0 21 9 | | 05. | 0.6 2.4 3.0 | 8 34 42 | 235 | 2 26 11 | | 06. | - - 2.6 | - - 40 | 346 | 0 26 11 | | 07. | - - 2.9 | - - 48 | 406 | 0 24 10 | | 08. | - - 2.7 | - - 54 | 841 | 0 27 12 | | 09. | 0.9 2.5 3.3 | 11 51 62 | 987 | 10 24 11 | | 10. | 1.0 2.3 3.3 | 16 40 56 | 805 | 13 25 11 | | 11. | 0.8 2.0 2.8 | 19 27 46 | 655 | 9 17 8 | | 12. | 0.9 2.0 2.9 | 24 24 48 | 602 | 9 16 6 | | 13. | 0.8 1.3 2.1 | 29 16 44 | 740 | 9 16 7 | | 14. | 1.1 0.1 1.2 | 35 1 35 | 932 | 11 18 10 | | 15. | 1.1 0.8 1.9 | 35 12 46 | 859 | 9 17 7 | | 16. | 0.9 0.8 1.7 | 29 11 40 | 786 | 10 19 7 | | 17. | 1.1 0.8 1.9 | 24 17 41 | 452 | 12 21 10 | | 18. | 0.9 1.0 1.8 | 16 22 38 | 520 | 9 17 8 | | 19. | 1.2 0.8 2.0 | 17 21 37 | 469 | 10 22 9 | | 20. | 0.8 0.9 1.7 | 12 19 31 | 344 | 6 8 4 | | 21. | 0.8 0.8 1.6 | 10 16 26 | 294 | 9 14 5 | | 22. | - - 0.9 | - - 17 | 156 | 0 13 6 | | 23. | - - 1.0 | - - 14 | 76 | 0 10 3 | | 24. | - - 0.9 | - - 16 | 1104 | 0 14 5 | | 25. | - - 1.4 | - - 17 | 135 | 0 11 3 | | 26. | - - 1.5 | - - 16 | 99 | 0 11 5 | | 27. | - - 1.5 | - - 17 | 85 | 0 11 3 | | 28. | 0.6 0.6 1.2 | 7 7 13 | 82 | 1 9 2 | | 29. | 0.9 1.7 2.5 | 11 21 31 | 158 | 6 11 5 | | 30. | 1.1 1.5 2.6 | 14 18 32 | 157 | 8 18 8 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.9 1.2 1.9 | 17.2 19.8 32.7 | 430 | 8 18 7 | +------+----------------+-------------------+-------+--------------+ | Days | 19 19 30 | 19 19 30 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 533 observations of 31 stations. Araujo,G. L 80 910 30 Michalovce Obs. L1502250 13 Barnes,H. L 76 910 9 Moeller,M. L 791000 27 Battaiola,R. S130 720 4 Morales,G. S 902000 30 Beltran,G.V. S2001600 20 Rauer,R. L 901300 9 Fritsche,S. L 63 840 21 Rim. Sobota Obs.L1502250 26 Gahsche,C.-D. L 751200 12 Robeck,G. S2032000 23 Goetz,M. S1001000 12 Ruemmler,F. L 801200 7 Hickmann,R. L 60 700 13 Schott,G.-L. L 80 910 23 Hoerenz,M. L 60 700 10 Schroeder,G. L 45 450 25 Hofmann,W. L 80 400 14 Schulze,W. L 63 840 14 Holl,M. L 80 400 22 Smit,F. L 801200 25 Hurbanovo Obs. L1502250 26 Suzuki,M. L100 0 25 Joppich,H. L 60 900 11 Van Slooten,B. L 901300 28 Kaczmarek,A. L 80 400 8 WFS,Berlin L1502250 14 Kandilli Obs. L2003070 27 Willi,X. S2001320 2 Keller,H.U. L 40 480 3