Wheat, No.1 Hard Red Winter, ordinary protein, FOB Gulf of Mexico, US$ per metric tonne (JAN-1980 - OCT-2007 ) |
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| Year | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
| 1980 | 175.63 | 172.70 | 163.51 | 156.53 | 161.30 | 157.63 | 168.65 | 171.23 | 179.68 | 188.13 | 195.11 | 182.62 |
| 1981 | 189.60 | 181.51 | 175.27 | 180.41 | 171.59 | 168.65 | 167.92 | 170.12 | 171.23 | 168.65 | 178.57 | 176.00 |
| 1982 | 173.06 | 170.86 | 168.65 | 169.76 | 167.55 | 155.79 | 151.75 | 152.49 | 152.85 | 146.61 | 155.06 | 159.83 |
| 1983 | 164.98 | 164.24 | 166.08 | 167.18 | 160.20 | 151.75 | 147.34 | 152.49 | 156.53 | 152.85 | 151.75 | 153.59 |
| 1984 | 152.85 | 150.65 | 153.96 | 157.26 | 153.96 | 149.91 | 146.97 | 152.49 | 155.06 | 152.85 | 152.49 | 149.55 |
| 1985 | 149.18 | 147.34 | 145.14 | 143.67 | 136.32 | 134.11 | 128.60 | 123.09 | 125.30 | 127.50 | 132.64 | 137.05 |
| 1986 | 132.28 | 129.71 | 134.48 | 132.64 | 119.42 | 105.82 | 101.78 | 102.15 | 103.62 | 104.72 | 105.09 | 107.29 |
| 1987 | 109.13 | 112.07 | 115.38 | 113.17 | 119.05 | 108.76 | 104.72 | 106.92 | 112.07 | 113.91 | 115.01 | 124.56 |
| 1988 | 128.60 | 131.54 | 124.93 | 126.77 | 128.97 | 149.91 | 149.55 | 149.91 | 159.47 | 162.04 | 163.88 | 166.82 |
| 1989 | 173.80 | 172.06 | 178.21 | 174.53 | 176.37 | 168.65 | 166.82 | 164.24 | 163.51 | 164.61 | 163.51 | 164.61 |
| 1990 | 167.92 | 160.94 | 156.53 | 159.47 | 149.18 | 135.58 | 124.93 | 116.84 | 114.27 | 114.64 | 112.80 | 113.17 |
| 1991 | 111.33 | 113.91 | 119.42 | 120.89 | 122.04 | 120.15 | 118.21 | 125.33 | 135.37 | 146.89 | 149.54 | 160.84 |
| 1992 | 169.95 | 177.13 | 169.35 | 159.93 | 149.69 | 148.67 | 136.32 | 128.17 | 138.74 | 140.58 | 147.57 | 147.83 |
| 1993 | 155.65 | 148.88 | 147.90 | 141.99 | 136.58 | 121.82 | 127.52 | 129.80 | 131.29 | 135.96 | 146.50 | 158.65 |
| 1994 | 153.21 | 147.04 | 141.04 | 140.45 | 140.15 | 139.30 | 137.60 | 146.02 | 158.79 | 167.19 | 161.99 | 164.62 |
| 1995 | 156.21 | 154.42 | 150.39 | 148.98 | 158.61 | 169.98 | 190.09 | 184.39 | 193.67 | 203.79 | 204.07 | 208.92 |
| 1996 | 206.88 | 218.89 | 215.52 | 251.66 | 262.11 | 227.27 | 202.60 | 191.63 | 178.71 | 178.32 | 176.41 | 175.70 |
| 1997 | 175.73 | 172.35 | 176.61 | 183.49 | 172.59 | 148.39 | 138.31 | 150.61 | 151.74 | 151.66 | 149.88 | 144.62 |
| 1998 | 137.10 | 140.05 | 138.92 | 130.15 | 128.92 | 120.64 | 118.54 | 107.95 | 107.93 | 126.54 | 130.21 | 126.21 |
| 1999 | 125.29 | 117.03 | 117.34 | 113.87 | 113.00 | 111.41 | 103.02 | 111.41 | 113.19 | 108.10 | 108.80 | 102.16 |
| 2000 | 105.83 | 108.41 | 105.70 | 105.11 | 110.78 | 113.51 | 108.98 | 108.28 | 117.49 | 128.22 | 127.73 | 128.01 |
| 2001 | 132.84 | 128.12 | 130.28 | 129.30 | 135.00 | 127.23 | 123.79 | 121.92 | 122.03 | 123.34 | 125.27 | 122.53 |
| 2002 | 125.31 | 123.28 | 122.56 | 123.72 | 121.46 | 132.03 | 149.30 | 161.26 | 187.84 | 190.32 | 176.26 | 168.98 |
| 2003 | 149.60 | 150.84 | 141.81 | 138.62 | 141.96 | 131.35 | 131.62 | 148.72 | 145.62 | 147.46 | 160.55 | 165.57 |
| 2004 | 166.33 | 161.39 | 166.28 | 166.58 | 163.73 | 154.74 | 150.60 | 141.29 | 151.03 | 150.15 | 156.57 | 153.87 |
| 2005 | 153.59 | 151.30 | 150.99 | 140.88 | 144.25 | 141.93 | 143.87 | 149.36 | 159.71 | 167.83 | 161.12 | 164.44 |
| 2006 | 167.16 | 179.84 | 174.44 | 180.35 | 193.17 | 195.16 | 202.43 | 189.91 | 195.98 | 212.09 | 205.81 | 204.31 |
| 2007 | 196.07 | 199.98 | 199.10 | 198.31 | 195.72 | 223.04 | 238.41 | 259.73 | 326.54 | 335.15 | ||