Provisional sunspot numbers September 2011 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 3.8 1.5 5.3 | 62 28 90 | 1161 | 7 20 8 | | 02. | 4.4 0.9 5.3 | 78 20 98 | 1615 | 8 19 9 | | 03. | 4.3 1.6 5.9 | 78 23 101 | 1386 | 7 22 11 | | 04. | 3.1 1.5 4.5 | 57 21 78 | 1134 | 5 18 9 | | 05. | 2.8 1.5 4.3 | 56 23 79 | 1898 | 6 16 8 | | 06. | 2.1 1.8 4.0 | 40 25 65 | 955 | 6 16 6 | | 07. | 1.5 1.5 3.0 | 29 19 48 | 504 | 8 18 9 | | 08. | 1.7 0.7 2.4 | 30 8 38 | 380 | 2 7 4 | | 09. | 1.6 1.6 3.2 | 31 21 52 | 756 | 5 14 7 | | 10. | 2.3 1.6 3.9 | 36 23 59 | 808 | 7 23 10 | | 11. | 2.6 1.7 4.3 | 39 26 65 | 793 | 8 21 9 | | 12. | 4.3 2.7 7.0 | 58 40 98 | 774 | 7 17 8 | | 13. | 4.0 3.1 7.1 | 59 47 106 | 969 | 7 16 8 | | 14. | 4.7 3.3 7.9 | 72 53 125 | 1360 | 8 18 8 | | 15. | 5.5 2.7 8.3 | 99 42 141 | 1484 | 6 15 8 | | 16. | 5.4 3.2 8.6 | 96 47 143 | 1985 | 9 23 13 | | 17. | 5.1 2.1 7.2 | 83 32 115 | 1281 | 6 16 7 | | 18. | 4.8 0.9 5.7 | 87 19 106 | 1808 | 4 9 4 | | 19. | 4.8 0.8 5.6 | 84 16 100 | 1612 | 8 17 9 | | 20. | 4.0 0.9 5.0 | 75 15 90 | 1274 | 4 12 4 | | 21. | 3.5 0.9 4.4 | 67 12 79 | 1469 | 5 16 8 | | 22. | 3.0 1.1 4.1 | 58 14 72 | 1192 | 7 19 9 | | 23. | 2.9 0.4 3.3 | 62 5 67 | 1252 | 8 20 10 | | 24. | 3.6 0.6 4.2 | 75 7 82 | 1747 | 8 18 9 | | 25. | 4.4 0.7 5.2 | 82 11 93 | 1556 | 8 23 11 | | 26. | 4.2 0.4 4.6 | 77 4 81 | 1829 | 8 20 11 | | 27. | 4.5 0.0 4.5 | 78 0 78 | 1917 | 6 20 10 | | 28. | 4.7 0.1 4.8 | 79 1 80 | 1794 | 10 25 12 | | 29. | 5.4 0.0 5.4 | 90 0 90 | 1697 | 10 26 14 | | 30. | 5.0 0.1 5.1 | 88 1 89 | 2018 | 7 22 10 | +------+----------------+-------------------+-------+--------------+ | Mean | 3.8 1.3 5.1 | 66.8 20.1 86.9 | 1347 | 7 18 9 | +------+----------------+-------------------+-------+--------------+ | Days | 30 30 30 | 30 30 30 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 546 observations of 28 stations. Araujo,G. L 80 910 30 Junker,E. L 50 600 18 Bachmann,U. S2032000 8 Kaczmarek,A. L 80 400 8 Barnes,H. L 76 910 10 Lau,D. L 60 700 8 Beltran,G.V. S2001600 21 Michalovce Obs. L1502250 16 Bretschneider,H.L 63 840 24 Moeller,M. L 791000 29 Bruegger,S. L 80 400 18 Morales,G. S 902000 27 Bullon,J.M. L1021000 29 Rim. Sobota Obs.L1502250 27 Chudy,M. L 60 700 25 Robeck,G. S2032000 18 Dubois,F. L1252500 26 Ruemmler,F. L 801200 18 Fritsche,S. L 63 840 23 Suzuki,M. L100 0 20 Hedewig,R. L 801200 21 Tiendesprong ObsL 751200 16 Holl,M. L 80 400 29 Van Slooten,B. L 901300 21 Hurbanovo Obs. L1502250 27 Viertel,A. L 50 540 21 Joppich,H. L 60 900 5 Willi,X. S2001320 3