Provisional sunspot numbers July 1998 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 2.8 4.6 7.4 | 38 62 100 | 703 | 5 10 3 | | 2. | 2.3 4.9 7.1 | 30 63 94 | 647 | 7 11 3 | | 3. | 2.7 4.7 7.3 | 36 66 102 | 815 | 6 14 7 | | 4. | 2.2 4.0 6.2 | 30 62 92 | 780 | 3 7 1 | | 5. | 1.5 4.1 5.6 | 24 61 85 | 1723 | 3 5 1 | | 6. | 1.8 2.8 4.5 | 22 39 62 | 619 | 6 11 2 | | 7. | 2.1 1.1 3.2 | 30 13 42 | 375 | 5 9 3 | | 8. | 1.7 0.9 2.6 | 23 13 37 | 515 | 5 11 3 | | 9. | 0.9 0.9 1.8 | 14 16 30 | - | 2 5 0 | | 10. | 1.4 1.9 3.4 | 17 27 44 | 287 | 3 6 1 | | 11. | 1.6 2.1 3.7 | 19 31 50 | 311 | 5 10 3 | | 12. | 1.9 1.8 3.7 | 22 30 52 | 476 | 4 7 4 | | 13. | 0.8 1.5 2.4 | 11 26 36 | 332 | 5 10 4 | | 14. | 0.9 1.4 2.3 | 12 25 37 | 277 | 7 13 4 | | 15. | 0.5 2.8 3.3 | 6 43 49 | 273 | 5 13 7 | | 16. | 0.4 2.9 3.3 | 5 47 52 | 184 | 2 5 1 | | 17. | 0.5 2.6 3.1 | 5 45 50 | 460 | 7 13 5 | | 18. | 0.3 3.1 3.4 | 3 47 50 | 229 | 5 10 3 | | 19. | 0.0 2.6 2.6 | 0 40 40 | 358 | 7 18 6 | | 20. | 0.4 3.7 4.1 | 5 55 60 | 445 | 7 18 8 | | 21. | 1.1 3.9 5.1 | 15 54 69 | 399 | 8 16 6 | | 22. | 1.9 3.4 5.3 | 27 52 79 | 620 | 7 19 8 | | 23. | 2.4 2.7 5.1 | 36 41 77 | 596 | 7 12 4 | | 24. | 2.3 2.3 4.6 | 43 33 76 | 671 | 5 12 4 | | 25. | 2.3 0.9 3.2 | 42 19 61 | 826 | 6 15 7 | | 26. | 2.6 0.7 3.3 | 45 18 63 | 895 | 7 19 9 | | 27. | 2.8 1.0 3.8 | 46 18 64 | 795 | 3 9 5 | | 28. | 3.6 1.1 4.7 | 63 18 81 | 950 | 6 11 5 | | 29. | 3.4 0.8 4.3 | 58 14 72 | 831 | 4 9 5 | | 30. | 2.1 1.9 4.0 | 35 22 58 | 554 | 4 14 6 | | 31. | 3.2 1.5 4.6 | 45 16 61 | 587 | 5 15 8 | +------+----------------+-------------------+-------+--------------+ | Mean | 1.8 2.4 4.2 | 26.0 36.0 62.1 | 584 | 5 12 4 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 357 observations of 22 stations. Edited by Martin Dillig