The featured chart presents a time series of observed soil moisture from the ISU Soil Moisture station near Ames. The sensor is buried in a soybean field with sensors at the denoted depths below the ground surface. The chart nicely shows the depletion of soil water with time as the layers start drying sequentially with depth. This nicely shows the advancement of the crop roots as they grow deeper and tap moisture available at that level. You may notice that the 52 inch value is just starting to tick downward. This site has not been too bad off for drought conditions this year, but has recently been very dry and certainly could use more rainfall to help the crops reach yield potential.

Voting:
Good = 11
Bad = 1
Abstain = 1