Provisional sunspot numbers May 2001 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 4.2 1.7 5.9 | 91 20 110 | 1772 | 7 28 13 | | 02. | 4.7 1.9 6.6 | 101 21 122 | 1860 | 9 35 17 | | 03. | 4.2 2.2 6.4 | 99 25 123 | 2082 | 10 32 14 | | 04. | 4.9 1.7 6.6 | 118 19 137 | 2509 | 6 22 12 | | 05. | 4.0 2.5 6.5 | 89 32 120 | 2466 | 6 16 7 | | 06. | 3.9 2.2 6.1 | 72 26 98 | 1616 | 4 16 8 | | 07. | 2.8 2.7 5.5 | 44 32 76 | 805 | 6 23 10 | | 08. | 1.8 2.7 4.5 | 28 32 60 | 662 | 6 27 12 | | 09. | 1.7 3.2 4.9 | 24 44 68 | 619 | 11 35 15 | | 10. | 1.6 2.9 4.5 | 21 40 61 | 647 | 10 33 15 | | 11. | 2.0 3.2 5.2 | 33 52 85 | 940 | 10 36 18 | | 12. | 2.3 2.4 4.7 | 46 46 92 | 1367 | 11 36 15 | | 13. | 2.3 2.2 4.5 | 45 45 90 | 1526 | 9 36 16 | | 14. | 2.2 3.1 5.3 | 46 61 107 | 1767 | 10 27 11 | | 15. | 1.8 2.9 4.8 | 42 52 95 | 1599 | 8 18 9 | | 16. | 2.7 2.6 5.3 | 50 51 101 | 1745 | 8 24 12 | | 17. | 3.7 2.1 5.8 | 64 39 104 | 1697 | 8 22 9 | | 18. | 4.5 1.3 5.8 | 70 26 96 | 2333 | 9 22 9 | | 19. | 4.3 2.0 6.3 | 68 24 92 | 762 | 6 30 15 | | 20. | 2.8 3.0 5.9 | 49 38 87 | 839 | 10 35 18 | | 21. | 3.6 3.2 6.9 | 65 40 106 | 1326 | 8 30 13 | | 22. | 4.5 3.8 8.3 | 79 48 127 | 1690 | 10 36 17 | | 23. | 4.2 4.2 8.4 | 85 53 138 | 2069 | 8 34 16 | | 24. | 3.8 3.7 7.6 | 84 49 134 | 2365 | 7 32 15 | | 25. | 4.5 2.3 6.9 | 85 32 118 | 1806 | 7 34 17 | | 26. | 5.4 2.6 8.0 | 86 35 121 | 1373 | 5 28 14 | | 27. | 5.5 2.9 8.4 | 83 39 122 | 1144 | 5 20 9 | | 28. | 5.1 1.9 7.0 | 73 25 98 | 657 | 5 15 6 | | 29. | 5.1 1.1 6.2 | 74 12 86 | 606 | 8 30 13 | | 30. | 3.7 1.5 5.3 | 57 17 74 | 564 | 8 32 15 | | 31. | 3.8 1.4 5.3 | 53 18 72 | 355 | 8 27 10 | +------+----------------+-------------------+-------+--------------+ | Mean | 3.6 2.5 6.1 | 65.3 35.4 100.7 | 1405 | 8 28 13 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 871 observations of 47 stations. Albert,R. F 56 0 27 Kandilli Obs. L2003070 30 Barnes,H. L 76 910 11 Keller,H.U. L 40 480 16 Battaiola,R. S 901250 15 Kluegl,S. L1201000 20 Beltran,G.V. S2001600 18 Lau,D. L 60 700 16 Broeckels,G. L1201000 29 Michalovce Obs. L1502250 21 Bruegger,S. L1021000 19 Moeller,M. L 791000 18 Buggenthien,R. L1021000 27 Morales,G. S 902000 19 Bullon,J.M. L1021500 13 Reinhold,J. L 80 910 7 Capricornio Obs.L1502250 11 Ressin,A. L1501500 9 Conill,J. L 80 760 26 Rim. Sobota Obs.L1502250 31 Deckert,A. L1001650 11 Rothermel,J. L1001650 21 Dragesco,J. L 70 0 18 Ruemmler,F. L 801200 19 Egger,F. L 901000 12 Schott,G.-L. L 80 910 28 Fritsche,S. L 63 840 21 Schroeder,G. L 751200 23 Gieseke,R. F 50 0 10 Schulze,W. L 63 840 18 Gross,F. L 901300 15 Stemmler,G. L 63 670 24 Haase,J. L1531300 20 Stolzen,P. L 40 500 24 Hannig,R. L114 600 15 Strickling,W. S1501200 8 Hickmann,R. L 60 700 24 Van Heek,K.H. S1001000 19 Hoerenz,M. L 60 700 19 Van Slooten,B. L 901300 28 Holl,M. L 80 400 23 Werner,D. L 801200 11 Hurbanovo Obs. L1502250 30 Willi,X. S2001320 6 John,J. S1501200 18 Zamora,S.L. L 901300 18 Joppich,H. L 60 900 6