Provisional sunspot numbers April 1996 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 0.3 0.0 0.3 | 4 0 4 | 9 | 8 17 8 | | 2. | 0.6 0.0 0.6 | 8 0 8 | 19 | 5 17 9 | | 3. | 0.6 0.1 0.7 | 8 2 10 | 42 | 5 13 7 | | 4. | 0.5 0.0 0.5 | 6 0 6 | 4 | 8 17 9 | | 5. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 13 7 | | 6. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 16 6 | | 7. | 0.0 0.0 0.0 | 0 0 0 | 0 | 8 22 11 | | 8. | 0.0 0.0 0.0 | 0 0 0 | 0 | 8 19 10 | | 9. | 0.0 0.0 0.0 | 0 0 0 | - | 4 6 0 | | 10. | 0.0 0.0 0.0 | 0 0 0 | 0 | 2 8 3 | | 11. | 0.0 0.0 0.0 | 0 0 0 | 0 | 3 8 5 | | 12. | 0.3 0.0 0.3 | 5 0 5 | 8 | 6 18 6 | | 13. | 0.2 0.0 0.2 | 2 0 2 | 1 | 6 18 8 | | 14. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 20 11 | | 15. | 0.0 0.0 0.0 | 0 0 0 | 0 | 8 24 11 | | 16. | 0.0 0.0 0.0 | 0 0 0 | 0 | 8 24 11 | | 17. | 0.5 0.0 0.5 | 7 0 7 | 15 | 7 24 11 | | 18. | 0.4 0.4 0.8 | 6 5 11 | 19 | 7 23 10 | | 19. | 0.2 0.6 0.9 | 3 9 12 | 25 | 8 22 10 | | 20. | 0.0 1.2 1.2 | 0 17 17 | 46 | 7 22 10 | | 21. | 0.1 0.7 0.9 | 2 13 14 | 160 | 9 27 13 | | 22. | 0.0 0.8 0.8 | 0 14 14 | 162 | 8 26 13 | | 23. | 0.0 0.4 0.4 | 0 5 5 | 35 | 9 22 10 | | 24. | 0.1 0.0 0.1 | 2 0 2 | 1 | 5 17 8 | | 25. | 0.0 0.0 0.0 | 0 0 0 | 0 | 7 20 9 | | 26. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 18 7 | | 27. | 0.0 0.0 0.0 | 0 0 0 | 0 | 5 15 6 | | 28. | 0.0 0.0 0.1 | 0 0 1 | 1 | 7 18 9 | | 29. | 0.0 0.0 0.0 | 0 0 0 | 0 | 7 16 6 | | 30. | 0.0 0.0 0.0 | 0 0 0 | 0 | 6 17 9 | +------+----------------+-------------------+-------+--------------+ | Mean | 0.1 0.1 0.3 | 1.8 2.2 3.9 | 19 | 6 18 8 | +------+----------------+-------------------+-------+--------------+ | Days | 30 30 30 | 30 30 30 | 29 | | +------+----------------+-------------------+-------+--------------+ Based on 547 observations of 30 stations. Edited by Martin Dillig