Provisional sunspot numbers March 1998 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 1.4 2.4 3.8 | 19 41 60 | 481 | 7 16 7 | | 2. | 1.0 1.8 2.8 | 12 38 49 | 587 | 5 7 3 | | 3. | 0.8 1.5 2.2 | 9 32 41 | 414 | 4 5 1 | | 4. | 1.0 0.8 1.8 | 13 20 33 | 170 | 3 5 1 | | 5. | 1.1 0.7 1.8 | 14 16 30 | 377 | 4 10 3 | | 6. | 0.7 0.7 1.4 | 11 11 22 | 190 | 2 5 2 | | 7. | 0.9 1.6 2.5 | 11 23 34 | 301 | 3 6 2 | | 8. | 0.7 1.7 2.4 | 7 27 34 | 183 | 6 12 6 | | 9. | 0.8 1.5 2.3 | 9 25 34 | 282 | 7 18 8 | | 10. | 0.8 2.5 3.3 | 9 41 50 | 396 | 8 16 9 | | 11. | 0.7 3.1 3.8 | 8 49 57 | 454 | 3 7 4 | | 12. | 0.8 3.8 4.5 | 9 64 72 | 617 | 4 13 7 | | 13. | 0.6 3.3 4.0 | 7 51 59 | 613 | 5 9 3 | | 14. | 0.6 3.2 3.8 | 6 69 76 | 1113 | 4 8 3 | | 15. | 0.3 2.5 2.8 | 3 57 61 | 1384 | 4 9 4 | | 16. | 0.0 2.4 2.4 | 0 66 66 | 2640 | 2 3 1 | | 17. | 0.0 2.4 2.4 | 0 62 62 | 1389 | 3 5 2 | | 18. | 1.1 2.1 3.1 | 14 51 65 | 1392 | 3 8 6 | | 19. | 1.0 2.1 3.2 | 18 47 65 | 1414 | 11 19 8 | | 20. | 0.8 2.5 3.4 | 14 47 61 | 989 | 3 10 4 | | 21. | 0.9 3.9 4.7 | 15 59 75 | 896 | 10 20 11 | | 22. | 0.7 3.6 4.3 | 14 61 75 | 1326 | 2 3 1 | | 23. | 0.7 2.4 3.1 | 14 43 57 | 1011 | 10 19 9 | | 24. | 1.1 2.0 3.1 | 22 39 61 | 1170 | 10 19 9 | | 25. | 1.1 1.9 3.0 | 22 39 60 | 1290 | 11 19 9 | | 26. | 1.2 1.4 2.5 | 18 34 52 | 1089 | 11 18 7 | | 27. | 0.6 1.6 2.2 | 9 39 48 | 1315 | 2 6 4 | | 28. | 1.0 2.1 3.1 | 16 41 56 | 661 | 5 8 3 | | 29. | 0.9 2.6 3.4 | 11 45 56 | 621 | 8 18 10 | | 30. | 0.4 2.5 2.8 | 4 42 46 | 680 | 5 14 8 | | 31. | 0.0 2.9 2.9 | 0 56 56 | 1019 | 7 16 9 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.8 2.2 3.0 | 10.9 43.1 54.0 | 854 | 6 11 5 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 351 observations of 24 stations. Edited by Martin Dillig