If it ever applied, it doesn't now: the saying that corn should be “knee high by the Fourth of July.” Even in this below-average year, the corn in Illinois averages 32 inches after the end of June, surpassing that old saw for almost all of us. That average is up 11 inches from the previous week, thanks to all the rain Illinois got, but it is less than half the average for this time of the earlier-planting 2012 season.
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“Rainfall averaged almost two inches. That’s almost twice normal for the week,” says Mark Schleusener, state statistician for the USDAs National Agricultural Statistics Service, adding it was almost three inches in part of Illinois. Corn has begun silking. Soybeans have started blooming. Both crops have about 70 percent reported in good or excellent condition.