Provisional sunspot numbers January 1999 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 2.3 0.7 3.0 | 52 10 62 | 1252 | 7 10 4 | | 2. | 2.5 0.9 3.4 | 55 11 65 | 1186 | 6 8 5 | | 3. | 2.3 0.8 3.1 | 49 10 59 | 911 | 3 6 3 | | 4. | 1.7 1.4 3.0 | 40 15 55 | 985 | 2 3 2 | | 5. | 2.4 1.4 3.8 | 43 14 57 | 473 | 2 4 1 | | 6. | 2.2 0.9 3.1 | 32 10 42 | 341 | 5 7 2 | | 7. | 2.8 2.4 5.2 | 34 33 67 | 168 | 3 4 2 | | 8. | 1.7 1.8 3.5 | 20 25 45 | 196 | 2 5 1 | | 9. | 0.9 2.5 3.4 | 11 38 49 | 269 | 5 7 3 | | 10. | 1.5 2.1 3.5 | 17 28 45 | 215 | 5 10 5 | | 11. | 0.7 2.0 2.7 | 7 25 32 | 51 | 1 2 1 | | 12. | 0.6 1.9 2.5 | 7 24 31 | 202 | 2 4 2 | | 13. | 0.9 1.5 2.4 | 9 24 34 | 266 | 5 6 3 | | 14. | 1.4 2.2 3.6 | 20 38 58 | 700 | 3 5 2 | | 15. | 2.1 2.1 4.2 | 39 43 82 | 1140 | 1 2 2 | | 16. | 2.6 1.0 3.6 | 51 36 87 | 2409 | 3 5 2 | | 17. | 2.2 1.4 3.6 | 49 37 86 | 1207 | 5 7 3 | | 18. | 2.6 1.2 3.8 | 62 37 99 | 2025 | 5 10 4 | | 19. | 3.1 1.0 4.2 | 79 40 119 | 2769 | 2 7 5 | | 20. | 3.6 2.0 5.7 | 82 50 132 | 2665 | 4 7 3 | | 21. | 4.1 1.6 5.6 | 76 41 117 | 2689 | 3 6 2 | | 22. | 3.3 1.5 4.7 | 66 37 103 | 2534 | 4 6 3 | | 23. | 2.6 0.9 3.4 | 52 27 79 | 974 | 3 7 5 | | 24. | 1.9 1.2 3.1 | 36 19 54 | 625 | 3 5 3 | | 25. | 1.8 0.9 2.7 | 28 13 40 | 194 | 1 2 1 | | 26. | 1.0 0.4 1.4 | 14 4 18 | 36 | 4 5 2 | | 27. | 1.7 0.8 2.5 | 21 10 30 | - | 3 4 0 | | 28. | 2.5 0.1 2.6 | 29 1 30 | 26 | 5 6 3 | | 29. | 1.2 0.4 1.6 | 19 4 23 | 66 | 5 9 5 | | 30. | 1.4 0.1 1.5 | 22 1 23 | 149 | 6 14 7 | | 31. | 2.2 0.0 2.2 | 29 0 29 | 139 | 3 6 3 | +------+----------------+-------------------+-------+--------------+ | Mean | 2.1 1.3 3.3 | 37.1 22.7 59.7 | 895 | 4 6 3 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 189 observations of 18 stations. Edited by Martin Dillig