Provisional sunspot numbers May 2007 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.0 1.5 1.5 | 0 23 23 | 433 | 11 25 11 | | 02. | 0.0 1.5 1.5 | 0 23 23 | 426 | 10 24 8 | | 03. | 0.0 0.8 0.8 | 0 13 13 | 310 | 12 27 10 | | 04. | 0.0 0.9 0.9 | 0 14 14 | 291 | 11 25 10 | | 05. | 0.0 0.8 0.8 | 0 12 12 | 380 | 10 23 9 | | 06. | 0.0 0.7 0.7 | 0 10 10 | 145 | 10 22 9 | | 07. | 0.0 0.7 0.7 | 0 8 8 | 75 | 6 12 6 | | 08. | 0.0 0.5 0.5 | 0 5 5 | 6 | 7 12 4 | | 09. | 0.0 0.7 0.7 | 0 13 13 | 96 | 8 13 4 | | 10. | 0.0 0.7 0.7 | 0 15 15 | 206 | 9 19 6 | | 11. | 0.0 0.7 0.7 | 0 16 16 | 131 | 7 19 4 | | 12. | 0.0 0.9 0.9 | 0 17 17 | 91 | 9 19 4 | | 13. | 0.0 0.9 0.9 | 0 15 15 | 73 | 8 19 5 | | 14. | 0.7 0.8 1.5 | 8 13 22 | 86 | 9 19 5 | | 15. | 0.6 0.7 1.3 | 11 10 21 | 160 | 7 17 5 | | 16. | 0.6 0.5 1.1 | 15 10 25 | 359 | 6 16 5 | | 17. | 0.8 0.1 0.9 | 21 1 21 | 440 | 8 13 5 | | 18. | 0.7 0.4 1.1 | 21 5 26 | 452 | 8 21 6 | | 19. | 0.7 0.4 1.0 | 18 4 22 | 306 | 7 18 6 | | 20. | 0.8 0.0 0.8 | 16 0 16 | 245 | 8 20 8 | | 21. | 0.8 0.0 0.8 | 13 0 13 | 156 | 9 21 9 | | 22. | 0.7 0.0 0.7 | 10 0 10 | 92 | 8 15 7 | | 23. | 0.6 0.4 1.0 | 7 4 11 | 10 | 12 30 12 | | 24. | 0.1 0.1 0.2 | 1 1 2 | 1 | 11 22 8 | | 25. | 0.0 0.1 0.1 | 0 1 1 | 1 | 10 18 6 | | 26. | 0.0 0.0 0.0 | 0 1 1 | 0 | 8 18 4 | | 27. | 0.2 0.0 0.2 | 2 0 2 | 1 | 8 20 5 | | 28. | 0.0 0.2 0.2 | 0 2 2 | 9 | 5 12 5 | | 29. | 0.0 0.6 0.6 | 0 6 6 | 31 | 7 14 3 | | 30. | 0.0 0.6 0.6 | 0 7 7 | 13 | 13 27 11 | | 31. | 0.0 0.1 0.1 | 0 1 1 | 1 | 10 21 8 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.2 0.5 0.8 | 4.6 8.1 12.7 | 162 | 9 19 7 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 601 observations of 34 stations. Araujo,G. L 80 910 29 Kandilli Obs. L2003070 28 Barnes,H. L 76 910 12 Kysucka Obs. L2003000 22 Battaiola,R. S 901250 11 Michalovce Obs. L1502250 13 Beltran,G.V. S2001600 21 Moeller,M. L 791000 9 Bretschneider,H.L 63 840 18 Morales,G. S 902000 28 Bullon,J.M. L1021500 23 Rim. Sobota Obs.L1502250 29 Chudy,M. L 60 700 18 Robeck,G. S2032000 25 Fritsche,S. L 63 840 21 Ruemmler,F. L 801200 20 Gahsche,C.-D. L 751200 5 Schott,G.-L. L 80 910 27 Goetz,M. S1001000 4 Schroeder,G. L 751200 19 Hesse,A. L1001000 17 Strickling,W. S1501200 5 Hickmann,R. L 60 700 20 Suzuki,M. L100 0 27 Hoerenz,M. L 60 700 12 Tiendesprong ObsL 751200 21 Hurbanovo Obs. L1502250 30 Van Heek,K.H. S1001000 11 Joppich,H. L 60 900 7 Van Slooten,B. L 901300 27 Junker,E. L 50 600 13 WFS,Berlin L1502250 16 Kaczmarek,A. L 80 400 6 Willi,X. S2001320 7