Provisional sunspot numbers May 2000 +------+----------------+-------------------+-------+--------------+ | | | | | | | Day | Groups | Wolf number | Beck | No. of Obs. | | | | | index | | | | N S Total | N S Total | | N/S T Beck | | | | | | | +------+----------------+-------------------+-------+--------------+ | 1. | 1.7 3.7 5.4 | 28 60 88 | 1353 | 11 18 7 | | 2. | 1.8 3.6 5.3 | 29 48 77 | 752 | 9 17 8 | | 3. | 1.7 3.7 5.4 | 24 50 74 | 476 | 10 21 10 | | 4. | 1.6 3.2 4.8 | 22 46 67 | 417 | 12 24 11 | | 5. | 1.2 3.1 4.3 | 16 38 54 | 185 | 12 27 13 | | 6. | 0.8 2.5 3.3 | 11 33 44 | 165 | 10 21 11 | | 7. | 2.1 2.0 4.1 | 30 27 57 | 162 | 13 23 11 | | 8. | 2.7 1.2 3.9 | 47 15 62 | 402 | 12 23 10 | | 9. | 3.6 2.1 5.7 | 61 32 94 | 921 | 13 25 13 | | 10. | 4.2 2.3 6.5 | 74 39 113 | 1189 | 13 25 12 | | 11. | 4.3 2.4 6.8 | 87 45 132 | 1839 | 13 26 14 | | 12. | 3.3 2.9 6.3 | 70 51 121 | 2017 | 12 23 11 | | 13. | 4.4 3.3 7.8 | 87 68 154 | 2671 | 13 28 16 | | 14. | 5.2 3.8 9.0 | 98 90 188 | 3318 | 15 31 16 | | 15. | 5.4 5.2 10.5 | 92 116 209 | 3273 | 14 29 16 | | 16. | 4.9 4.3 9.1 | 82 109 191 | 3377 | 14 30 16 | | 17. | 3.8 3.9 7.7 | 70 102 171 | 3715 | 9 20 8 | | 18. | 3.1 3.1 6.2 | 65 84 149 | 3172 | 9 17 7 | | 19. | 3.4 2.4 5.8 | 82 81 163 | 4481 | 10 18 8 | | 20. | 4.0 3.0 7.0 | 95 80 175 | 4052 | 10 16 7 | | 21. | 4.1 2.5 6.6 | 97 75 172 | 3925 | 12 20 11 | | 22. | 3.8 2.5 6.3 | 76 56 132 | 2047 | 8 13 5 | | 23. | 4.9 2.7 7.6 | 91 52 142 | 2607 | 10 21 12 | | 24. | 5.5 3.0 8.4 | 91 43 134 | 1496 | 8 16 10 | | 25. | 4.7 2.5 7.2 | 74 37 111 | 1337 | 7 15 8 | | 26. | 4.7 2.3 7.0 | 74 42 116 | 1269 | 11 26 14 | | 27. | 3.9 2.0 5.9 | 55 46 101 | 1404 | 9 20 10 | | 28. | 3.5 3.7 7.2 | 48 69 117 | 1425 | 8 16 9 | | 29. | 2.6 3.8 6.4 | 35 71 106 | 1270 | 10 19 8 | | 30. | 1.6 3.7 5.3 | 21 70 90 | 1099 | 7 17 8 | | 31. | 1.0 2.7 3.7 | 12 56 68 | 1249 | 6 15 8 | +------+----------------+-------------------+-------+--------------+ | Mean | 3.3 3.0 6.3 | 59.5 59.1 118.5 | 1841 | 11 21 11 | +------+----------------+-------------------+-------+--------------+ | Days | 31 31 31 | 31 31 31 | 31 | | +------+----------------+-------------------+-------+--------------+ Based on 660 observations of 36 stations. Edited by Martin Dillig.