Provisional sunspot numbers March 2013 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | - - 3.9 | - - 58 | 445 | 0 7 4 | | 02. | 1.7 3.5 5.2 | 22 52 74 | 554 | 1 8 3 | | 03. | 0.9 4.3 5.2 | 10 62 72 | 489 | 4 14 7 | | 04. | 0.1 4.9 5.0 | 1 67 68 | 537 | 5 18 7 | | 05. | 0.5 3.4 4.0 | 5 54 59 | 414 | 4 19 7 | | 06. | 0.4 3.6 4.1 | 5 53 58 | 423 | 5 18 8 | | 07. | 1.2 2.4 3.5 | 14 34 48 | 345 | 4 9 3 | | 08. | 2.1 2.0 4.1 | 26 31 57 | 286 | 4 11 3 | | 09. | 3.3 1.1 4.4 | 44 21 65 | 297 | 1 5 1 | | 10. | 4.7 0.9 5.7 | 56 24 80 | 404 | 3 7 3 | | 11. | 4.5 0.8 5.3 | 54 24 78 | 985 | 3 5 3 | | 12. | 4.9 0.8 5.6 | 66 19 85 | 977 | 5 11 7 | | 13. | 5.2 0.8 6.0 | 73 13 86 | 751 | 3 10 4 | | 14. | 5.1 1.5 6.6 | 75 20 95 | 825 | 3 12 3 | | 15. | 4.9 0.9 5.9 | 70 14 84 | 773 | 4 11 5 | | 16. | 5.1 0.9 6.0 | 71 16 87 | 1200 | 5 13 3 | | 17. | 4.2 2.5 6.7 | 56 39 95 | 1055 | 4 12 5 | | 18. | 3.4 3.4 6.7 | 44 52 96 | 1011 | 2 7 1 | | 19. | 2.5 1.8 4.3 | 33 22 55 | 298 | 2 8 3 | | 20. | 2.1 0.5 2.6 | 31 6 37 | 397 | 4 9 4 | | 21. | 2.9 0.3 3.1 | 39 3 42 | 291 | 3 10 2 | | 22. | 2.0 0.6 2.6 | 26 9 35 | 237 | 4 15 9 | | 23. | 1.8 0.8 2.6 | 24 13 37 | 275 | 4 12 6 | | 24. | 1.9 0.4 2.3 | 26 6 32 | 264 | 4 14 5 | | 25. | 1.7 0.9 2.6 | 22 12 34 | 208 | 3 14 5 | | 26. | 0.9 0.9 1.8 | 10 13 23 | 163 | 2 11 6 | | 27. | 1.1 1.1 2.1 | 13 13 26 | 136 | 2 10 5 | | 28. | - - 3.1 | - - 39 | 182 | 0 8 3 | | 29. | 1.9 1.9 3.7 | 23 28 51 | 195 | 1 7 2 | | 30. | 1.6 2.4 4.0 | 22 32 54 | 370 | 3 11 3 | | 31. | 2.5 2.7 5.2 | 32 41 73 | 700 | 3 11 6 | +------+----------------+-------------------+-------+--------------+ | Mean | 2.6 1.8 4.3 | 34.2 27.3 60.7 | 500 | 3 11 4 | +------+----------------+-------------------+-------+--------------+ | Days | 29 29 31 | 29 29 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 337 observations of 25 stations. Araujo,G. L 80 910 29 Kaczmarek,A. L 80 400 8 Barnes,H. L 76 910 15 Kysucka Obs. L2003000 4 Beltran,G.V. S2001600 20 Michalovce Obs. L1502250 4 Bruegger,S. L 80 400 17 Moeller,M. L 791000 18 Chudy,M. L 60 700 11 Morales,G. S 902000 26 Dubois,F. L1252500 17 Robeck,G. S2032000 14 Fritsche,S. L 63 840 17 Ruemmler,F. L 801200 6 Hedewig,R. L 801200 10 Schott,G.-L. L 80 910 21 Hoerenz,M. L 60 700 9 Schroeder,G. L 751200 14 Holl,M. L 80 400 14 Suzuki,M. L100 0 21 Hurbanovo Obs. L1502250 17 Tiendesprong ObsL 751200 12 Joppich,H. L 60 900 1 Willi,X. S2001320 2 Junker,E. L 50 600 10