Provisional sunspot numbers May 2012 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 1.0 4.1 5.1 | 13 64 77 | 640 | 6 18 7 | | 02. | 1.2 4.7 5.8 | 13 71 84 | 943 | 5 16 5 | | 03. | 1.8 4.5 6.3 | 19 64 83 | 674 | 3 13 4 | | 04. | 1.7 3.5 5.2 | 19 54 73 | 518 | 3 14 4 | | 05. | 2.1 3.2 5.3 | 24 44 68 | 509 | 4 11 5 | | 06. | 2.1 2.2 4.3 | 33 35 68 | 823 | 4 9 4 | | 07. | 2.2 1.7 3.9 | 43 28 71 | 867 | 3 10 1 | | 08. | 1.4 1.9 3.3 | 47 22 69 | 2252 | 5 16 5 | | 09. | 1.1 2.4 3.5 | 48 25 73 | 3037 | 7 15 5 | | 10. | 0.8 2.4 3.2 | 44 27 71 | 2900 | 4 12 4 | | 11. | 1.6 2.1 3.6 | 59 26 85 | 3180 | 6 16 6 | | 12. | 2.3 2.0 4.3 | 65 19 84 | 2592 | 4 14 6 | | 13. | 2.6 2.3 4.9 | 59 24 83 | 2390 | 5 15 5 | | 14. | 3.2 2.8 6.1 | 58 36 94 | 1800 | 5 15 4 | | 15. | 2.7 3.3 6.0 | 49 40 89 | 1031 | 4 12 3 | | 16. | 3.0 3.0 6.0 | 60 37 97 | 1613 | 6 17 5 | | 17. | 2.9 2.3 5.2 | 57 29 86 | 1283 | 5 17 5 | | 18. | 3.0 1.3 4.3 | 65 15 80 | 1378 | 5 15 5 | | 19. | 2.9 2.2 5.1 | 66 27 93 | 1733 | 6 19 6 | | 20. | 3.6 1.7 5.3 | 70 24 94 | 1225 | 6 17 6 | | 21. | 3.3 1.3 4.6 | 63 19 82 | 1258 | 7 19 7 | | 22. | 3.4 0.4 3.8 | 58 4 62 | 732 | 4 17 6 | | 23. | 3.1 1.1 4.1 | 48 12 60 | 539 | 7 20 8 | | 24. | 3.1 1.0 4.1 | 48 12 60 | 465 | 6 18 6 | | 25. | 3.0 1.7 4.6 | 48 23 71 | 629 | 7 19 9 | | 26. | 2.4 1.7 4.1 | 34 30 64 | 606 | 7 19 7 | | 27. | 2.4 1.9 4.3 | 34 37 71 | 640 | 6 19 6 | | 28. | 2.1 2.3 4.4 | 30 46 76 | 932 | 6 23 9 | | 29. | 1.7 1.8 3.5 | 19 42 61 | 1125 | 7 20 7 | | 30. | 0.4 2.0 2.3 | 4 43 47 | 876 | 5 18 7 | | 31. | 1.0 3.4 4.4 | 12 56 68 | 808 | 4 10 4 | +------+----------------+-------------------+-------+--------------+ | Mean | 2.2 2.3 4.6 | 42.2 33.4 75.6 | 1290 | 5 16 6 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 493 observations of 24 stations. Araujo,G. L 80 910 31 Joppich,H. L 60 900 5 Barnes,H. L 76 910 12 Kaczmarek,A. L 80 400 12 Battaiola,R. S 901250 7 Michalovce Obs. L1502250 9 Beltran,G.V. S2001600 25 Moeller,M. L 791000 27 Bruegger,S. L 80 400 23 Morales,G. S 902000 31 Chudy,M. L 60 700 22 Ruemmler,F. L 801200 22 Dubois,F. L1252500 24 Schott,G.-L. L 80 910 26 Fritsche,S. L 63 840 30 Schroeder,G. L 751200 25 Hedewig,R. L 801200 23 Suzuki,M. L100 0 23 Hoerenz,M. L 60 700 13 Tiendesprong ObsL 751200 19 Holl,M. L 80 400 24 Van Slooten,B. L 901300 26 Hurbanovo Obs. L1502250 27 Willi,X. S2001320 7