Provisional sunspot numbers December 2004 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.8 1.5 2.3 | 9 26 35 | 394 | 4 9 1 | | 02. | 0.8 1.6 2.4 | 9 27 37 | - | 4 8 0 | | 03. | 1.0 1.4 2.4 | 12 21 33 | 322 | 4 7 1 | | 04. | 0.8 1.7 2.5 | 10 20 30 | 140 | 2 5 1 | | 05. | 1.4 1.3 2.7 | 15 15 30 | 148 | 3 10 2 | | 06. | 0.8 0.7 1.6 | 10 8 18 | 129 | 6 9 2 | | 07. | 1.0 0.0 1.0 | 12 0 12 | 65 | 4 8 3 | | 08. | 0.9 0.4 1.4 | 11 5 16 | 62 | 5 11 2 | | 09. | 0.9 0.2 1.0 | 10 2 11 | 7 | 2 9 1 | | 10. | 0.8 0.1 0.9 | 10 1 11 | 30 | 3 10 2 | | 11. | 1.2 0.0 1.2 | 16 0 16 | 111 | 1 5 1 | | 12. | 1.1 0.0 1.1 | 22 0 22 | 332 | 2 7 1 | | 13. | 0.5 0.5 1.0 | 14 5 19 | - | 1 6 0 | | 14. | 0.7 0.3 1.0 | 13 3 16 | - | 2 7 0 | | 15. | 0.3 0.0 0.3 | 4 0 4 | 21 | 3 15 2 | | 16. | - - 0.9 | - - 11 | 30 | 0 14 3 | | 17. | - - 1.9 | - - 25 | - | 0 6 0 | | 18. | - - 1.7 | - - 22 | 132 | 0 11 3 | | 19. | - - 1.1 | - - 14 | 60 | 0 17 5 | | 20. | - - 0.8 | - - 13 | 91 | 0 18 6 | | 21. | - - 1.0 | - - 20 | 325 | 0 16 5 | | 22. | - - 1.3 | - - 25 | 402 | 0 7 2 | | 23. | - - 1.3 | - - 23 | 412 | 0 7 1 | | 24. | - - 1.2 | - - 20 | 191 | 0 12 3 | | 25. | - - 0.9 | - - 14 | 74 | 0 17 4 | | 26. | - - 1.1 | - - 14 | 84 | 0 11 4 | | 27. | - - 1.3 | - - 15 | 45 | 0 8 1 | | 28. | 0.7 0.7 1.4 | 9 10 19 | 138 | 5 12 3 | | 29. | 0.8 0.1 0.9 | 13 1 14 | 178 | 7 13 5 | | 30. | 0.8 0.6 1.4 | 15 7 22 | 206 | 6 11 4 | | 31. | 1.0 0.5 1.5 | 21 5 25 | 334 | 2 6 2 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.9 0.6 1.4 | 12.3 8.3 19.6 | 165 | 3 10 3 | +------+----------------+-------------------+-------+--------------+ | Days | 19 19 31 | 19 19 31 | 27 | | +------+----------------+-------------------+-------+--------------+ Based on 312 observations of 29 stations. Araujo,G. L 80 910 29 Michalovce Obs. L1502250 3 Barnes,H. L 76 910 8 Moeller,M. L 791000 13 Battaiola,R. S 901250 5 Morales,G. S 902000 26 Beltran,G.V. S2001600 17 Rauer,R. L 901300 3 Capricornio Obs.L1021500 7 Rim. Sobota Obs.L1502250 11 Fritsche,S. L 63 840 12 Robeck,G. S2032000 11 Gahsche,C.-D. L 751200 7 Schott,G.-L. L 80 910 10 Hofmann,W. L 80 400 12 Schroeder,G. L 751200 16 Holl,M. L 80 400 4 Schulze,W. L 63 840 4 Hurbanovo Obs. L1502250 14 Suzuki,M. L100 0 28 John,J. S1501200 10 Van Slooten,B. L 901300 12 Joppich,H. L 60 900 1 Walger,R. F 60 0 9 Kaczmarek,A. L 80 400 4 WFS,Berlin L1502250 3 Kandilli Obs. L2003070 16 Willi,X. S2001320 2 Kysucka Obs. L2003000 15