Provisional sunspot numbers April 2006 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 0.0 1.9 1.9 | 0 37 37 | 717 | 5 12 4 | | 02. | 0.0 2.2 2.2 | 0 43 43 | 748 | 8 18 6 | | 03. | 0.0 2.4 2.4 | 0 52 52 | 1404 | 7 14 5 | | 04. | 0.0 2.8 2.8 | 0 57 57 | 1064 | 9 20 7 | | 05. | 0.0 3.0 3.0 | 0 56 56 | 882 | 7 15 4 | | 06. | 0.0 3.5 3.5 | 0 62 62 | 860 | 7 13 3 | | 07. | 0.0 3.4 3.4 | 0 54 54 | 702 | 8 19 6 | | 08. | 0.0 3.0 3.0 | 0 43 43 | 400 | 7 19 7 | | 09. | 0.0 2.6 2.6 | 0 39 39 | 291 | 9 18 7 | | 10. | 0.0 3.2 3.2 | 0 44 44 | 382 | 5 11 4 | | 11. | 0.0 3.5 3.5 | 0 48 48 | 287 | 3 13 5 | | 12. | 0.0 3.6 3.6 | 0 47 47 | 286 | 3 9 2 | | 13. | 0.0 3.8 3.8 | 0 46 46 | 192 | 5 10 4 | | 14. | 0.0 3.0 3.0 | 0 35 35 | 149 | 10 21 10 | | 15. | 0.0 2.1 2.1 | 0 25 25 | 76 | 8 15 9 | | 16. | 0.0 1.2 1.2 | 0 14 14 | 71 | 6 13 6 | | 17. | 0.0 1.0 1.0 | 0 12 12 | 36 | 9 20 8 | | 18. | 0.1 0.7 0.8 | 1 7 9 | 5 | 11 20 8 | | 19. | 0.1 0.2 0.3 | 1 2 3 | 2 | 8 17 7 | | 20. | 0.1 0.7 0.8 | 2 10 12 | 55 | 7 16 6 | | 21. | 0.0 0.7 0.7 | 0 10 10 | 44 | 8 18 6 | | 22. | 0.0 0.3 0.3 | 0 3 3 | 1 | 5 16 7 | | 23. | 0.0 0.7 0.7 | 0 8 8 | 57 | 5 17 7 | | 24. | 0.0 0.8 0.8 | 0 14 14 | 208 | 8 19 8 | | 25. | 0.0 2.3 2.3 | 0 35 35 | 406 | 11 20 10 | | 26. | 0.0 2.6 2.6 | 0 44 44 | 786 | 7 13 5 | | 27. | 0.0 2.4 2.4 | 0 46 46 | 801 | 7 16 7 | | 28. | 0.0 2.0 2.0 | 0 43 43 | 672 | 8 16 5 | | 29. | 0.0 1.7 1.7 | 0 36 36 | 677 | 4 12 5 | | 30. | 0.7 1.9 2.6 | 8 37 45 | 715 | 7 17 7 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.0 2.1 2.1 | 0.4 33.7 34.0 | 433 | 7 16 6 | +------+----------------+-------------------+-------+--------------+ | Days | 30 30 30 | 30 30 30 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 477 observations of 30 stations. Araujo,G. L 80 910 28 Kandilli Obs. L2003070 20 Barnes,H. L 76 910 12 Kysucka Obs. L2003000 23 Battaiola,R. S 901250 11 Michalovce Obs. L1502250 7 Beltran,G.V. S2001600 18 Moeller,M. L 791000 9 DKS Eriskirch L1521824 3 Morales,G. S 902000 24 Fritsche,S. L 63 840 18 Rim. Sobota Obs.L1502250 26 Gahsche,C.-D. L 751200 2 Robeck,G. S2032000 20 Goetz,M. S1001000 6 Ruemmler,F. L 801200 18 Hickmann,R. L 60 700 19 Schott,G.-L. L 80 910 26 Hoerenz,M. L 60 700 14 Schroeder,G. L 751200 17 Holl,M. L 80 400 18 Schulze,W. L 63 840 8 Hurbanovo Obs. L1502250 26 Suzuki,M. L100 0 20 John,J. S1501200 5 Tiendesprong ObsL 751200 23 Joppich,H. L 60 900 2 Van Slooten,B. L 901300 28 Junker,E. L 50 600 15 WFS,Berlin L1502250 11