Provisional sunspot numbers May 2013 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 1.2 3.5 4.7 | 38 58 96 | 2158 | 5 16 6 | | 02. | 1.2 2.4 3.6 | 32 42 74 | 1728 | 5 14 7 | | 03. | 1.0 2.4 3.4 | 25 40 65 | 1473 | 8 20 10 | | 04. | 2.3 2.3 4.6 | 38 45 83 | 1293 | 6 18 8 | | 05. | 2.4 2.4 4.8 | 36 43 79 | 991 | 7 21 8 | | 06. | 2.1 2.8 4.9 | 32 47 79 | 795 | 6 17 7 | | 07. | 1.8 3.8 5.6 | 25 62 87 | 882 | 5 13 7 | | 08. | 2.4 3.8 6.2 | 35 54 89 | 713 | 6 17 6 | | 09. | 3.5 2.6 6.1 | 48 38 86 | 662 | 7 19 7 | | 10. | 4.6 2.3 6.9 | 64 33 97 | 731 | 5 17 10 | | 11. | 3.7 3.2 6.8 | 53 42 95 | 789 | 3 14 7 | | 12. | 3.8 2.3 6.2 | 67 35 102 | 1101 | 3 16 8 | | 13. | 3.0 3.2 6.2 | 68 50 118 | 1850 | 4 14 7 | | 14. | 4.2 2.2 6.4 | 81 36 117 | 1571 | 5 17 7 | | 15. | 3.8 2.9 6.7 | 76 43 119 | 1528 | 8 22 10 | | 16. | 4.2 3.9 8.1 | 79 64 143 | 1588 | 7 15 8 | | 17. | 4.3 3.7 8.0 | 78 57 135 | 1313 | 5 10 5 | | 18. | 3.3 2.9 6.2 | 56 41 97 | 937 | 6 11 4 | | 19. | 3.4 2.3 5.8 | 53 37 90 | 972 | 3 13 3 | | 20. | 3.1 2.8 5.8 | 49 37 86 | 818 | 7 13 4 | | 21. | 3.4 2.2 5.6 | 50 32 82 | 900 | 3 9 2 | | 22. | 3.0 2.5 5.5 | 46 40 86 | 686 | 2 8 2 | | 23. | 2.0 2.1 4.1 | 35 42 77 | 990 | 4 14 6 | | 24. | 1.8 2.2 4.0 | 30 44 74 | 1241 | 3 12 3 | | 25. | 2.0 2.5 4.5 | 34 47 81 | 1392 | 3 12 2 | | 26. | 1.5 2.3 3.8 | 26 41 67 | 1285 | 2 8 3 | | 27. | 1.8 2.6 4.4 | 30 41 71 | 951 | 3 13 6 | | 28. | 1.2 3.0 4.2 | 18 41 59 | 513 | 5 20 9 | | 29. | 0.9 3.0 3.9 | 11 40 51 | 259 | 4 10 6 | | 30. | 1.2 2.7 3.9 | 16 31 47 | 190 | 2 13 6 | | 31. | 0.9 2.2 3.1 | 10 27 37 | 240 | 6 17 9 | +------+----------------+-------------------+-------+--------------+ | Mean | 2.5 2.7 5.3 | 43.2 42.9 86.1 | 1050 | 5 15 6 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 453 observations of 26 stations. Araujo,G. L 80 910 31 Kaczmarek,A. L 80 400 6 Barnes,H. L 76 910 9 Kysucka Obs. L2003000 12 Battaiola,R. S 901250 5 Michalovce Obs. L1502250 16 Beltran,G.V. S2001600 22 Moeller,M. L 791000 26 Bruegger,S. L 80 400 18 Morales,G. S 902000 29 Chudy,M. L 60 700 14 Rim. Sobota Obs.L1502250 17 Dubois,F. L1252500 26 Robeck,G. S2032000 12 Fritsche,S. L 63 840 21 Ruemmler,F. L 801200 11 Gieseke,R. F 50 300 13 Schott,G.-L. L 80 910 21 Hedewig,R. L 801200 21 Schroeder,G. L 751200 15 Hoerenz,M. L 60 700 16 Suzuki,M. L100 0 25 Holl,M. L 80 400 22 Tiendesprong ObsL 751200 14 Hurbanovo Obs. L1502250 26 Willi,X. S2001320 5