Provisional sunspot numbers December 2015 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 1.5 0.0 1.5 | 20 0 20 | 149 | 4 8 3 | | 02. | 1.2 0.2 1.5 | 17 3 20 | 104 | 2 7 2 | | 03. | 1.8 0.0 1.8 | 21 0 21 | 114 | 4 13 2 | | 04. | 1.1 1.0 2.1 | 13 12 25 | 137 | 4 11 2 | | 05. | 0.7 1.4 2.2 | 9 19 28 | 186 | 3 6 3 | | 06. | 0.8 2.0 2.8 | 10 25 35 | 174 | 5 14 4 | | 07. | 0.8 2.3 3.1 | 10 30 40 | 269 | 2 8 2 | | 08. | 0.8 2.2 3.0 | 10 28 38 | 226 | 4 14 3 | | 09. | 0.5 3.0 3.4 | 6 44 50 | 213 | 3 10 2 | | 10. | 0.0 4.6 4.6 | 0 61 61 | 264 | 5 12 4 | | 11. | 0.0 4.2 4.2 | 0 54 54 | 210 | 3 6 1 | | 12. | 0.5 3.5 4.0 | 5 47 52 | 334 | 3 10 2 | | 13. | 1.5 2.5 4.1 | 22 31 53 | 329 | 7 15 4 | | 14. | 1.8 1.5 3.4 | 28 20 48 | 422 | 3 7 1 | | 15. | 1.9 1.0 2.8 | 30 13 43 | - | 3 5 0 | | 16. | 1.9 0.4 2.4 | 35 6 41 | 744 | 2 4 1 | | 17. | 1.7 0.9 2.6 | 27 10 37 | 362 | 2 8 2 | | 18. | 2.1 0.9 2.9 | 32 9 41 | - | 2 5 0 | | 19. | 1.2 0.6 1.8 | 20 6 26 | 236 | 4 11 5 | | 20. | 0.9 0.1 1.0 | 14 1 15 | 270 | 5 12 2 | | 21. | 1.1 0.0 1.1 | 15 0 15 | 133 | 2 8 3 | | 22. | 1.7 1.1 2.8 | 24 18 42 | 576 | 5 10 5 | | 23. | 1.6 1.0 2.6 | 24 17 41 | 546 | 4 12 6 | | 24. | 1.6 0.9 2.6 | 24 22 46 | 764 | 6 17 7 | | 25. | 1.8 0.7 2.5 | 28 21 49 | 942 | 3 13 5 | | 26. | 1.0 0.9 1.9 | 13 30 43 | 1121 | 5 15 4 | | 27. | 0.6 0.9 1.4 | 10 26 36 | 992 | 3 12 5 | | 28. | 0.8 0.9 1.6 | 12 29 41 | 1012 | 4 16 5 | | 29. | 0.7 0.8 1.6 | 8 26 34 | 723 | 2 9 4 | | 30. | 0.2 0.9 1.1 | 2 18 20 | 334 | 7 17 6 | | 31. | 0.1 0.8 0.9 | 1 15 16 | 364 | 7 15 5 | +------+----------------+-------------------+-------+--------------+ | Mean | 1.1 1.3 2.4 | 15.8 20.7 36.5 | 422 | 4 11 3 | | Mean[2.0] | 22.5 29.5 52.0 | | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 29 | | +------+----------------+-------------------+-------+--------------+ Based on 330 observations of 28 stations. Araujo,G. L 80 910 30 Junker,E. L 50 600 13 Barnes,H. L 76 910 6 Kaczmarek,A. L 80 400 5 Battaiola,R. S 901250 2 Morales,G. S 902000 24 Beltran,G.V. S2001600 21 Rim. Sobota Obs.L1502250 2 Bruegger,S. L 80 400 5 Robeck,G. S2032000 11 Chudy,M. L 60 700 4 Ruemmler,F. L 801200 14 Daub,K.-P. L1521200 12 Schott,G.-L. L 80 910 21 Dubois,F. L1252500 22 Schroeder,G. L 751200 23 Fritsche,S. L 63 840 12 Smit,F. L 801200 11 Gieseke,R. F 80 0 15 Suzuki,M. L100 0 23 Hoerenz,M. L 60 700 8 Tiendesprong ObsL 751200 3 Holl,M. L 80 400 6 Van Slooten,B. L 901300 17 Hurbanovo Obs. L1502250 10 Wallian,D. S2032000 2 Joppich,H. L 60 900 5 Willi,X. S2001320 3