Provisional sunspot numbers August 2021 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.4 0.0 0.4 | 4 0 4 | 0 | 3 12 4 | | 02. | 0.0 0.6 0.6 | 0 8 8 | 25 | 6 19 8 | | 03. | 0.0 0.7 0.7 | 0 12 12 | 56 | 8 19 9 | | 04. | 0.0 0.9 0.9 | 0 12 12 | 68 | 5 12 4 | | 05. | 0.5 0.5 0.9 | 5 6 11 | 27 | 3 12 4 | | 06. | 0.5 0.0 0.5 | 5 0 5 | 7 | 4 19 8 | | 07. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 17 8 | | 08. | 0.0 0.0 0.0 | 0 0 0 | 0 | 3 13 5 | | 09. | 0.6 0.0 0.6 | 6 0 6 | 5 | 6 21 10 | | 10. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 17 5 | | 11. | 0.7 0.4 1.2 | 7 5 12 | 12 | 5 18 7 | | 12. | 0.6 0.0 0.6 | 6 0 6 | 5 | 5 19 8 | | 13. | 0.7 0.0 0.7 | 8 0 8 | 18 | 4 17 6 | | 14. | 1.5 0.0 1.5 | 17 0 17 | 32 | 4 17 6 | | 15. | 1.2 0.0 1.2 | 15 0 15 | 37 | 4 18 7 | | 16. | 0.9 0.0 0.9 | 13 0 13 | 87 | 5 13 6 | | 17. | 0.8 0.0 0.8 | 10 0 10 | 33 | 3 12 5 | | 18. | 0.6 0.0 0.6 | 7 0 7 | 10 | 4 12 6 | | 19. | 1.0 0.0 1.0 | 12 0 12 | 34 | 3 8 4 | | 20. | 0.6 0.0 0.6 | 8 0 8 | 28 | 3 15 7 | | 21. | 0.9 0.0 0.9 | 11 0 11 | 72 | 4 17 8 | | 22. | 0.8 0.0 0.8 | 11 0 11 | 78 | 3 8 2 | | 23. | 0.8 0.0 0.8 | 12 0 12 | 85 | 4 15 7 | | 24. | 0.8 0.2 0.9 | 11 2 13 | 70 | 5 16 7 | | 25. | 0.8 0.8 1.5 | 10 13 23 | 261 | 5 18 8 | | 26. | 1.2 0.7 2.0 | 15 17 32 | 426 | 3 11 6 | | 27. | 1.3 1.4 2.7 | 18 31 49 | 800 | 5 13 6 | | 28. | 1.1 2.0 3.1 | 15 39 54 | 939 | 3 7 2 | | 29. | 0.6 1.1 1.7 | 7 27 34 | 779 | 2 7 4 | | 30. | 0.7 0.7 1.4 | 8 20 28 | 553 | 4 10 3 | | 31. | 0.7 0.7 1.5 | 8 19 27 | 480 | 5 17 7 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.6 0.3 1.0 | 8.0 6.8 14.8 | 162 | 4 14 6 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 449 observations of 26 stations. Araujo,G. L 80 910 31 Joppich,H. L 60 900 5 Barnes,H. L 76 910 8 Junker,E. L 50 600 1 Battaiola,R. S 901250 10 Kaczmarek,A. L 80 400 6 Beltran,G.V. S2001600 31 Kysucka Obs. L2003000 18 Brettel,G. L 901000 19 Meister,S. L125 800 23 Bronst,M. L102 0 26 Michalovce Obs. L1502250 6 Bruegger,S. L 80 400 23 Rim. Sobota Obs.L1502250 5 Chudy,M. L 60 700 16 Rockmann,K. L 901200 14 Daub,K.-P. L1521200 23 Ruemmler,F. L 801200 27 Fritsche,S. L 63 840 17 Seiffert,H.-P. L100 500 11 Hoerenz,M. L 60 700 23 Suzuki,M. L100 0 20 Holl,M. L 80 400 21 Tiendesprong ObsL 751200 18 Hurbanovo Obs. L1502250 29 Wallian,D. L120 900 18