Figure 11. Precipitation at (A) Portland Airport, Oregon, (B) water level elevation in the shallow well at Westmoreland Park and water level of Johnson Creek at Milwaukie, Oregon, and (C) water level elevation in the deep well at Westmoreland Park, and level of the Willamette River at Portland, Oregon. (Willamette River stream level is set to an arbitrary gage datum. Map numbers refer to table 1.)