Provisional sunspot numbers February 2018 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.0 0.0 0.0 | 0 0 0 | 0 | 2 9 4 | | 02. | 0.0 0.3 0.3 | 0 3 3 | 0 | 1 5 1 | | 03. | 0.0 0.1 0.1 | 0 1 1 | - | 2 5 0 | | 04. | 0.0 0.3 0.3 | 0 3 3 | 22 | 4 11 5 | | 05. | 0.0 0.8 0.8 | 0 11 11 | 65 | 4 15 4 | | 06. | 0.0 0.8 0.8 | 0 14 14 | 143 | 5 18 5 | | 07. | 0.0 0.8 0.8 | 0 16 16 | 273 | 4 15 5 | | 08. | 0.0 0.7 0.7 | 0 17 17 | 290 | 2 9 4 | | 09. | 0.0 0.8 0.8 | 0 20 20 | 434 | 6 14 5 | | 10. | 0.0 0.8 0.8 | 0 20 20 | 415 | 1 9 3 | | 11. | 0.0 0.8 0.8 | 0 21 21 | 591 | 2 7 2 | | 12. | 0.0 0.8 0.8 | 0 20 20 | 317 | 3 11 3 | | 13. | 0.0 0.8 0.8 | 0 19 19 | 397 | 6 18 6 | | 14. | 0.1 0.8 0.9 | 1 16 17 | 322 | 6 19 6 | | 15. | 0.0 0.8 0.8 | 0 12 12 | 88 | 3 9 4 | | 16. | 0.0 0.6 0.6 | 0 8 8 | 19 | 3 13 4 | | 17. | 0.0 0.0 0.0 | 0 0 0 | 0 | 4 12 3 | | 18. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 15 5 | | 19. | 0.0 0.0 0.0 | 0 0 0 | 0 | 7 18 7 | | 20. | 0.0 0.0 0.0 | 0 0 0 | 0 | 4 16 7 | | 21. | 0.0 0.0 0.0 | 0 0 0 | 0 | 4 15 7 | | 22. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 14 2 | | 23. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 19 7 | | 24. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 21 8 | | 25. | 0.0 0.1 0.1 | 0 2 2 | 0 | 5 16 6 | | 26. | 0.4 0.0 0.4 | 7 0 7 | 12 | 6 15 5 | | 27. | 0.6 0.0 0.6 | 10 0 10 | 138 | 4 14 3 | | 28. | 0.6 0.0 0.6 | 7 0 7 | 8 | 8 22 9 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.1 0.4 0.4 | 0.9 7.3 8.1 | 131 | 4 14 5 | +------+----------------+-------------------+-------+--------------+ | Days | 28 28 28 | 28 28 28 | 27 | | +------+----------------+-------------------+-------+--------------+ Based on 384 observations of 26 stations. Araujo,G. L 80 910 28 Joppich,H. L 60 900 6 Barnes,H. L 76 910 10 Junker,E. L 50 600 4 Beltran,G.V. S2001600 26 Kaczmarek,A. L 80 400 11 Brauckhoff,D. S2032032 18 Kysucka Obs. L2003000 14 Broeckels,G. L 57 242 21 Michalovce Obs. L1502250 7 Bruegger,S. L 80 400 14 Morales,G. S 902000 20 Chudy,M. L 60 700 16 Rim. Sobota Obs.L1502250 3 Daub,K.-P. L1521200 20 Robeck,G. S2032000 22 Dubois,F. L1252500 24 Ruemmler,F. L 801200 11 Fritsche,S. L 63 840 15 Schroeder,G. L 751200 9 Hoerenz,M. L 60 700 7 Suzuki,M. L100 0 23 Holl,M. L 80 400 21 Tiendesprong ObsL 751200 10 Hurbanovo Obs. L1502250 12 Wiley,J. L102 500 12