Thomas G. Chastain

One question that is on the minds of seed producers is how much has the cold weather set crops back?  Over the 123 years of weather records at Corvallis, there has been only 15 times that the month of March has been colder than we experienced in March 2012.  Cold spring weather has been a phenomenon that’s been observed here in the Willamette Valley over the past few years (Fig.1). This cold weather was accompanied by near record wet conditions (Fig. 2).

Figure 1. Monthly average temperature at Corvallis (click to enlarge)

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