Provisional sunspot numbers March 2021 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.0 0.6 0.6 | 0 6 6 | 5 | 7 24 11 | | 02. | 0.0 0.7 0.7 | 0 10 10 | 21 | 8 25 14 | | 03. | 0.0 1.4 1.4 | 0 24 24 | 96 | 8 22 10 | | 04. | 0.0 1.4 1.4 | 0 19 19 | 56 | 1 6 2 | | 05. | 0.0 0.7 0.7 | 0 8 8 | 17 | 5 20 9 | | 06. | 0.0 0.5 0.5 | 0 5 5 | 23 | 4 18 8 | | 07. | 0.0 1.1 1.1 | 0 16 16 | 145 | 4 15 5 | | 08. | 0.0 0.8 0.8 | 0 10 10 | 37 | 7 17 8 | | 09. | 0.3 0.7 1.0 | 3 8 11 | 33 | 5 13 7 | | 10. | 0.7 0.4 1.0 | 7 4 11 | 49 | 6 15 9 | | 11. | 0.7 0.6 1.3 | 7 8 15 | 53 | 6 15 7 | | 12. | 0.8 0.0 0.8 | 9 0 9 | 33 | 4 16 9 | | 13. | 0.7 0.0 0.7 | 8 0 8 | 38 | 4 14 7 | | 14. | 0.7 0.7 1.4 | 8 10 18 | 68 | 5 17 9 | | 15. | 0.6 0.8 1.4 | 6 9 15 | 19 | 6 9 4 | | 16. | 1.1 0.1 1.2 | 13 1 14 | 40 | 6 16 8 | | 17. | 0.8 0.0 0.8 | 9 0 9 | 88 | 6 18 10 | | 18. | 0.7 0.0 0.7 | 9 0 9 | 97 | 5 16 9 | | 19. | 0.7 0.0 0.7 | 10 0 10 | 45 | 5 19 10 | | 20. | 0.6 0.0 0.6 | 7 0 7 | 6 | 4 14 6 | | 21. | 0.6 0.0 0.6 | 7 0 7 | 34 | 4 16 9 | | 22. | 1.3 0.0 1.3 | 16 0 16 | 82 | 6 16 8 | | 23. | 1.6 0.0 1.6 | 20 0 20 | 106 | 2 9 4 | | 24. | 1.6 0.0 1.6 | 21 0 21 | 146 | 7 22 11 | | 25. | 1.5 0.0 1.5 | 18 0 18 | 84 | 7 21 11 | | 26. | 1.5 0.0 1.5 | 18 0 18 | 96 | 8 26 12 | | 27. | 0.9 0.0 0.9 | 10 0 10 | 44 | 6 21 9 | | 28. | 0.8 0.0 0.8 | 9 0 9 | 60 | 4 17 7 | | 29. | 0.8 0.0 0.8 | 9 0 9 | 43 | 9 26 12 | | 30. | 0.4 0.0 0.4 | 4 0 4 | 6 | 9 27 14 | | 31. | 0.0 0.0 0.0 | 0 0 0 | 0 | 7 26 12 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.6 0.3 1.0 | 7.4 4.5 11.8 | 54 | 6 18 9 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 556 observations of 31 stations. Araujo,G. L 80 910 31 Junker,E. L 50 600 12 Barnes,H. L 76 910 15 Kaczmarek,A. L 80 400 9 Barsch,T. L1021000 26 Meister,S. L125 800 21 Battaiola,R. S 901250 14 Michalovce Obs. L1502250 6 Beltran,G.V. S2001600 28 Morales,G. S 902000 27 Brettel,G. L 901000 19 Rim. Sobota Obs.L1502250 19 Broeckels,G. L 57 242 16 Rockmann,K. L 901200 17 Broeckels,G. L1521200 16 Rothermel,J. L1001650 6 Bruegger,S. L 80 400 27 Ruemmler,F. L 801200 23 Chudy,M. L 60 700 14 Schroeder,G. L 751200 10 Daub,K.-P. L1521200 21 Seiffert,H.-P. L100 500 13 Fritsche,S. L 63 840 20 Selbmann,U. L 63 840 9 Hoerenz,M. L 60 700 23 Steen,M. L 80 400 18 Holl,M. L 80 400 24 Suzuki,M. L100 0 23 Hurbanovo Obs. L1502250 29 Tiendesprong ObsL 751200 13 Joppich,H. L 60 900 7