Provisional sunspot numbers May 2004 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.6 1.8 2.5 | 7 37 44 | 461 | 5 13 7 | | 02. | 0.8 1.2 2.0 | 9 25 34 | 423 | 1 10 4 | | 03. | 0.6 1.7 2.3 | 6 32 38 | 323 | 1 15 5 | | 04. | 0.6 1.8 2.4 | 7 31 38 | 194 | 2 13 6 | | 05. | 0.5 1.6 2.1 | 5 28 33 | 296 | 1 9 3 | | 06. | - - 1.6 | - - 23 | 123 | 0 9 4 | | 07. | - - 2.0 | - - 23 | 71 | 0 7 2 | | 08. | - - 1.7 | - - 20 | 129 | 0 11 3 | | 09. | - - 2.1 | - - 27 | 105 | 0 8 4 | | 10. | - - 2.5 | - - 32 | 181 | 0 15 7 | | 11. | - - 2.3 | - - 29 | 131 | 0 10 3 | | 12. | - - 3.4 | - - 51 | 243 | 0 10 2 | | 13. | - - 2.6 | - - 43 | 477 | 0 7 3 | | 14. | 1.2 2.3 3.5 | 17 47 63 | 1020 | 7 14 5 | | 15. | 0.8 2.6 3.4 | 17 51 68 | 847 | 6 14 6 | | 16. | 1.7 3.2 4.9 | 29 53 83 | 1103 | 8 18 9 | | 17. | 1.7 2.8 4.4 | 27 46 73 | 702 | 9 20 8 | | 18. | 1.5 3.1 4.6 | 21 50 72 | 692 | 8 18 9 | | 19. | 1.5 3.1 4.6 | 20 49 69 | 698 | 7 16 6 | | 20. | 1.2 3.0 4.1 | 15 46 61 | 429 | 7 14 6 | | 21. | 0.8 2.8 3.6 | 9 47 56 | 627 | 6 12 5 | | 22. | 0.9 2.6 3.6 | 12 46 57 | 709 | 4 9 2 | | 23. | 0.8 2.8 3.6 | 10 54 64 | 1106 | 6 15 6 | | 24. | 0.7 3.3 4.1 | 8 64 72 | 1376 | 7 14 5 | | 25. | 0.7 2.5 3.2 | 8 51 59 | 1243 | 6 15 7 | | 26. | 0.6 1.4 2.0 | 7 35 42 | 1065 | 7 14 5 | | 27. | 0.8 0.9 1.7 | 7 31 38 | 1135 | 5 12 6 | | 28. | 0.7 0.9 1.6 | 7 26 33 | 637 | 3 14 4 | | 29. | - - 1.9 | - - 38 | 753 | 0 16 6 | | 30. | - - 2.1 | - - 39 | 580 | 0 14 7 | | 31. | - - 2.3 | - - 39 | 333 | 0 12 6 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.9 2.3 2.9 | 12.5 42.4 47.1 | 587 | 5 13 5 | +------+----------------+-------------------+-------+--------------+ | Days | 20 20 31 | 20 20 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 398 observations of 24 stations. Araujo,G. L 80 910 24 Michalovce Obs. L1502250 12 Barnes,H. L 76 910 10 Moeller,M. L 791000 17 Battaiola,R. S 901250 14 Morales,G. S 902000 31 Fritsche,S. L 63 840 24 Rim. Sobota Obs.L1502250 25 Gahsche,C.-D. L 751200 11 Robeck,G. S2032000 14 Goetz,M. S1001000 18 Schott,G.-L. L 80 910 23 Holl,M. L 80 400 20 Schroeder,G. L 751200 9 Hurbanovo Obs. L1502250 25 Schulze,W. L 63 840 10 John,J. S1501200 11 Suzuki,M. L100 0 18 Joppich,H. L 60 900 6 Van Slooten,B. L 901300 28 Kandilli Obs. L2003070 25 WFS,Berlin L1502250 7 Keller,H.U. L 40 480 12 Willi,X. S2001320 4