| Year | August | September | ||||
| 10 | 20 | 30 | 10 | 20 | 30 | |
| 1989 | 0 | 6 | 15 | 50 | 80 | 96 |
| 1990 | 0 | 4 | 21 | 58 | 85 | |
| 1991 | 6 | 24 | 54 | 79 | 91 | 98 |
| 1992 | 1 | 4 | 11 | 56 | 85 | 96 |
| 1993 | 0 | 4 | 25 | 73 | 92 | |
| 1994 | 2 | 4 | 20 | 66 | 90 | 97 |
| 1995 | 0 | 4 | 26 | 69 | 94 | |
| 1996 | 0 | 2 | 20 | 50 | 79 | |
| 1997 | 0 | 6 | 38 | 79 | 95 | |
| 1998 | 1 | 6 | 47 | 81 | 92 | |
SOYBEANS: Percent of acreage harvested by specified dates, Illinois, 1989-98
| Year | September | October | November | |||||
| 10 | 20 | 30 | 10 | 20 | 30 | 10 | 20 | |
| 1989 | 0 | 3 | 24 | 60 | 85 | 96 | 100 | |
| 1990 | 0 | 2 | 11 | 28 | 54 | 90 | 97 | 100 |
| 1991 | 5 | 20 | 51 | 79 | 95 | 98 | 100 | |
| 1992 | 1 | 6 | 25 | 63 | 83 | 93 | 96 | 98 |
| 1993 | 0 | 1 | 5 | 51 | 77 | 91 | 97 | 99 |
| 1994 | 1 | 13 | 34 | 68 | 87 | 95 | 98 | 99 |
| 1995 | 0 | 2 | 20 | 65 | 90 | 98 | 100 | |
| 1996 | 0 | 1 | 6 | 27 | 60 | 80 | 95 | 98 |
| 1997 | 0 | 2 | 21 | 71 | 90 | 98 | 99 | 100 |
| 1998 | 1 | 5 | 26 | 47 | 75 | 90 | 96 | 98 |
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| Illinois Agricultural Statistics Service Annual Summary - 1999 |
Page 57 |
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