Provisional sunspot numbers March 2023 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 01. | 2.9 1.8 4.7 | 44 23 67 | 903 | 7 21 8 | | 02. | 4.0 1.7 5.6 | 57 19 76 | 863 | 5 14 5 | | 03. | 4.2 2.5 6.7 | 59 29 88 | 733 | 5 11 5 | | 04. | 4.2 2.1 6.3 | 68 26 94 | 1076 | 2 7 4 | | 05. | 4.6 2.6 7.3 | 75 40 115 | 1832 | 1 4 2 | | 06. | 4.5 3.2 7.8 | 80 48 128 | 2389 | 1 8 3 | | 07. | 4.8 4.1 8.9 | 74 60 134 | 1718 | 1 9 3 | | 08. | 4.7 3.6 8.3 | 72 53 125 | 1475 | 3 7 4 | | 09. | 4.4 3.8 8.2 | 58 64 122 | 1466 | 2 6 2 | | 10. | 3.8 4.0 7.9 | 48 59 107 | 802 | 4 7 3 | | 11. | 4.1 3.6 7.7 | 45 55 100 | 765 | 4 15 6 | | 12. | 3.8 4.2 8.0 | 43 55 98 | 617 | 2 7 3 | | 13. | 2.0 3.8 5.8 | 22 51 73 | 420 | 5 11 6 | | 14. | 1.6 4.9 6.5 | 19 64 83 | 578 | 4 7 3 | | 15. | 1.3 5.2 6.5 | 14 65 79 | 465 | 4 15 5 | | 16. | 0.8 4.4 5.2 | 9 51 60 | 343 | 6 14 4 | | 17. | 0.9 3.4 4.3 | 10 38 48 | 192 | 6 17 6 | | 18. | 0.3 2.6 3.0 | 3 30 33 | 171 | 4 18 7 | | 19. | 1.5 3.0 4.5 | 16 37 53 | 336 | 2 11 5 | | 20. | 1.5 3.3 4.8 | 18 47 65 | 657 | 2 7 3 | | 21. | 1.6 3.6 5.2 | 19 52 71 | 518 | 3 8 3 | | 22. | 1.2 4.2 5.4 | 14 56 70 | 541 | 5 11 5 | | 23. | 2.3 3.7 6.0 | 29 56 85 | 626 | 5 12 3 | | 24. | 3.0 4.2 7.2 | 46 63 109 | 1010 | 4 13 4 | | 25. | 3.7 3.7 7.5 | 57 60 117 | 1468 | 3 8 3 | | 26. | 3.6 3.6 7.3 | 55 55 110 | 1248 | 4 12 4 | | 27. | 4.1 3.7 7.8 | 59 51 110 | 1064 | 3 13 4 | | 28. | 3.9 3.4 7.3 | 57 45 102 | 1182 | 6 14 4 | | 29. | 4.9 4.0 9.0 | 65 52 117 | 852 | 4 7 3 | | 30. | 3.7 2.9 6.6 | 46 37 83 | 519 | 2 10 4 | | 31. | 3.9 1.3 5.2 | 45 15 60 | 350 | 2 6 2 | +------+----------------+-------------------+-------+--------------+ | Mean | 3.1 3.4 6.5 | 42.8 47.0 89.7 | 877 | 4 11 4 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 330 observations of 27 stations. Araujo,G. L 80 910 30 Kaczmarek,A. L 80 400 2 Barsch,T. L1021000 17 Kysucka Obs. L2003000 14 Brettel,G. L 901000 12 Maluf,W. L1021500 10 Broeckels,G. L1521200 8 Meister,S. L125 800 5 Bronst,M. L102 0 14 Michalovce Obs. L1502250 9 Bruegger,S. L 80 400 17 Moeller,M. S 0 0 31 Chudy,M. L 60 700 6 Ruemmler,F. L 801200 21 Daub,K.-P. L1521200 10 Schroeder,G. S 0 0 30 Fritsche,S. L 63 840 14 Seiffert,H.-P. L100 500 2 Hermelingmeier,HL 80 600 7 Sinnecker,S. L 81 0 5 Hoerenz,M. L 60 700 8 Steen,M. L 80 400 5 Hurbanovo Obs. L1502250 25 Stoyan,R. L 50 540 4 Joppich,H. L102 714 10 Tiendesprong ObsL 751200 13 Junker,E. L 50 600 1