Provisional sunspot numbers May 2017 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.2 0.5 0.8 | 3 6 9 | 33 | 4 14 6 | | 02. | 0.7 0.7 1.4 | 13 8 21 | 137 | 4 10 4 | | 03. | 0.9 0.0 0.9 | 13 0 13 | 153 | 4 10 3 | | 04. | 0.8 0.0 0.8 | 13 0 13 | 167 | 3 7 3 | | 05. | 1.5 0.0 1.5 | 22 0 22 | 141 | 5 10 4 | | 06. | 1.3 0.0 1.3 | 18 0 18 | 92 | 3 14 4 | | 07. | 1.5 0.0 1.5 | 17 0 17 | 70 | 3 14 4 | | 08. | 0.6 0.0 0.6 | 7 0 7 | 19 | 2 10 3 | | 09. | 0.1 0.0 0.1 | 1 0 1 | 0 | 5 14 4 | | 10. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 12 5 | | 11. | 0.1 0.1 0.2 | 1 1 2 | 1 | 6 17 6 | | 12. | 0.4 0.0 0.4 | 5 0 5 | 2 | 5 12 6 | | 13. | 0.1 0.0 0.1 | 1 0 1 | 0 | 3 12 5 | | 14. | 0.0 0.0 0.0 | 0 0 0 | 0 | 4 14 5 | | 15. | 0.1 0.0 0.1 | 1 0 1 | 0 | 4 16 7 | | 16. | 1.2 0.0 1.2 | 14 0 14 | 58 | 6 13 5 | | 17. | 0.8 0.0 0.8 | 9 0 9 | 29 | 7 19 8 | | 18. | 0.7 0.5 1.2 | 8 6 14 | 34 | 6 17 6 | | 19. | 0.8 0.8 1.5 | 8 10 18 | 116 | 5 14 5 | | 20. | 0.9 0.9 1.7 | 10 10 20 | 113 | 4 16 7 | | 21. | 1.1 1.1 2.1 | 12 13 25 | 100 | 3 16 6 | | 22. | 1.6 1.3 2.8 | 19 17 36 | 99 | 6 16 6 | | 23. | 1.3 1.3 2.5 | 16 17 33 | 120 | 5 13 5 | | 24. | 0.7 0.3 1.1 | 13 5 18 | 126 | 3 11 4 | | 25. | 1.1 0.0 1.1 | 19 0 19 | 218 | 3 13 6 | | 26. | 0.8 0.2 1.0 | 16 3 19 | 337 | 8 21 9 | | 27. | 0.9 0.0 0.9 | 18 0 18 | 289 | 4 17 5 | | 28. | 0.8 0.0 0.8 | 15 0 15 | 175 | 3 13 4 | | 29. | 0.7 0.0 0.7 | 9 0 9 | 82 | 8 19 8 | | 30. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 19 8 | | 31. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 16 7 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.7 0.2 0.9 | 9.7 3.1 12.8 | 87 | 5 14 5 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 439 observations of 23 stations. Araujo,G. L 80 910 31 Hurbanovo Obs. L1502250 28 Barnes,H. L 76 910 12 Joppich,H. L 60 900 4 Battaiola,R. S 901250 11 Kaczmarek,A. L 80 400 8 Beltran,G.V. S2001600 28 Kysucka Obs. L2003000 15 Broeckels,G. L 57 242 21 Michalovce Obs. L1502250 15 Bruegger,S. L 80 400 22 Morales,G. S 902000 27 Chudy,M. L 60 700 22 Rim. Sobota Obs.L1502250 19 Daub,K.-P. L1521200 24 Robeck,G. S2032000 11 Dubois,F. L1252500 24 Schroeder,G. L 751200 25 Fritsche,S. L 63 840 23 Suzuki,M. L100 0 25 Gieseke,R. F 80 0 16 Willi,X. S2001320 6 Hoerenz,M. L 60 700 22