Provisional sunspot numbers June 1998 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 0.8 1.5 2.3 | 15 30 45 | 478 | 10 15 7 | | 2. | 0.9 1.8 2.7 | 14 30 45 | 413 | 10 18 6 | | 3. | 1.3 1.7 3.0 | 19 29 48 | 499 | 12 21 7 | | 4. | 2.1 1.8 3.9 | 30 33 63 | 570 | 12 20 6 | | 5. | 2.3 1.8 4.0 | 33 34 67 | 637 | 12 19 6 | | 6. | 1.9 1.7 3.6 | 29 33 62 | 778 | 11 19 6 | | 7. | 1.2 2.2 3.5 | 19 40 59 | 610 | 8 15 5 | | 8. | 1.2 2.4 3.6 | 17 39 56 | 370 | 12 20 6 | | 9. | 0.8 3.9 4.7 | 14 55 69 | 447 | 8 12 4 | | 10. | 0.8 3.8 4.6 | 11 61 72 | 530 | 5 11 5 | | 11. | 1.0 3.1 4.1 | 12 50 62 | 596 | 9 17 5 | | 12. | 1.9 3.4 5.3 | 24 49 73 | 426 | 4 6 3 | | 13. | 1.9 3.2 5.1 | 24 43 66 | 463 | 8 18 7 | | 14. | 2.0 2.7 4.7 | 25 36 61 | 419 | 8 17 4 | | 15. | 1.5 1.4 2.9 | 22 19 41 | 267 | 10 19 5 | | 16. | 1.6 1.5 3.1 | 25 19 44 | 256 | 9 16 5 | | 17. | 1.6 1.8 3.4 | 32 24 55 | 551 | 10 17 4 | | 18. | 1.8 1.7 3.5 | 29 21 49 | 469 | 8 13 3 | | 19. | 2.0 1.4 3.5 | 31 16 48 | 349 | 6 15 4 | | 20. | 1.9 1.5 3.4 | 34 18 52 | 507 | 8 20 7 | | 21. | 1.8 1.5 3.3 | 41 17 57 | 684 | 8 17 7 | | 22. | 1.9 0.8 2.6 | 36 9 45 | 641 | 9 18 6 | | 23. | 2.5 0.7 3.2 | 39 9 48 | 194 | 4 11 2 | | 24. | 2.2 0.8 3.0 | 30 9 38 | 302 | 2 6 2 | | 25. | 1.9 2.2 4.1 | 31 28 58 | 420 | 10 20 8 | | 26. | 1.6 3.5 5.1 | 32 45 78 | 414 | 8 13 4 | | 27. | 1.7 4.1 5.8 | 37 53 90 | 849 | 7 15 5 | | 28. | 2.5 4.3 6.8 | 49 56 105 | 1035 | 8 17 4 | | 29. | 2.7 4.2 6.8 | 44 56 99 | 823 | 8 14 6 | | 30. | 2.4 4.1 6.5 | 36 57 93 | 777 | 7 13 4 | +------+----------------+-------------------+-------+--------------+ | Mean | 1.7 2.4 4.1 | 27.8 33.9 61.6 | 526 | 8 16 5 | +------+----------------+-------------------+-------+--------------+ | Days | 30 30 30 | 30 30 30 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 472 observations of 27 stations. Edited by Martin Dillig