I have an excel file that I am gridding with date in the X column and depth in the Y column and various Z parameters. When I import the data, Surfer sets the minimum and maximum in the Y direction to numbers that are well outside the data limits, as shown in the attached picture. I have verified that there are no errant data points in the Y column, and the statistics/cross validation shows the correct limits. Is there any other reason that this could be happeneing?
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