Provisional sunspot numbers March 2000 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 5.3 3.3 8.6 | 86 89 175 | 2298 | 5 9 4 | | 2. | 3.1 3.9 7.0 | 57 89 146 | 2625 | 6 13 7 | | 3. | 2.9 3.6 6.5 | 45 81 126 | 2092 | 6 11 6 | | 4. | 1.7 5.0 6.7 | 29 101 130 | 2207 | 5 11 5 | | 5. | 1.6 4.7 6.3 | 21 106 127 | 2160 | 7 11 7 | | 6. | 1.6 5.5 7.0 | 21 116 137 | 2504 | 3 10 5 | | 7. | 1.6 6.6 8.1 | 17 126 143 | 1951 | 3 5 2 | | 8. | 0.8 7.0 7.8 | 12 115 127 | 1928 | 3 4 3 | | 9. | 0.8 7.3 8.1 | 16 142 158 | 2330 | 3 4 3 | | 10. | 0.9 6.8 7.7 | 21 127 148 | 1801 | 4 9 4 | | 11. | 1.3 7.4 8.6 | 27 118 145 | - | 2 5 0 | | 12. | 1.9 6.1 8.0 | 34 108 141 | 2100 | 5 8 3 | | 13. | 2.3 5.3 7.6 | 36 96 132 | 2239 | 3 5 1 | | 14. | 2.7 3.6 6.3 | 38 80 118 | 1761 | 3 5 2 | | 15. | 1.6 4.4 6.0 | 30 88 118 | 1802 | 6 12 5 | | 16. | 2.7 3.5 6.2 | 47 69 115 | 1764 | 3 9 6 | | 17. | 2.2 2.2 4.4 | 46 46 92 | 1616 | 2 7 6 | | 18. | 2.5 2.5 5.0 | 62 57 119 | 2434 | 2 4 4 | | 19. | 4.1 2.8 6.9 | 95 54 149 | 2813 | 7 14 8 | | 20. | 4.8 2.7 7.5 | 109 52 161 | 2941 | 8 11 5 | | 21. | 5.7 1.9 7.6 | 127 43 170 | 3428 | 6 11 5 | | 22. | 5.8 2.5 8.3 | 119 58 177 | 3633 | 7 16 9 | | 23. | 6.9 3.6 10.5 | 124 67 191 | 2911 | 6 15 8 | | 24. | 6.2 5.0 11.2 | 96 97 193 | 2361 | 3 7 4 | | 25. | 5.5 6.5 12.0 | 98 115 213 | 3310 | 3 8 3 | | 26. | 5.2 5.6 10.9 | 92 102 194 | 2693 | 7 13 8 | | 27. | 5.4 3.9 9.3 | 86 74 160 | 1991 | 4 6 3 | | 28. | 5.8 4.2 10.1 | 98 78 176 | 1736 | 4 5 2 | | 29. | 3.9 4.6 8.6 | 66 84 151 | 1374 | 3 5 2 | | 30. | 3.5 5.5 9.0 | 54 107 161 | 1318 | 3 5 3 | | 31. | 4.0 6.2 10.2 | 68 116 184 | 2502 | 3 6 2 | +------+----------------+-------------------+-------+--------------+ | Mean | 3.4 4.6 8.0 | 60.5 90.4 150.9 | 2287 | 4 9 4 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 30 | | +------+----------------+-------------------+-------+--------------+ Based on 264 observations of 24 stations. Edited by Martin Dillig.