There are several measurements for each county, with no location marker for individual scientists to preserve anonyminity. Counties can have different numbers of observations as well as a different levels of variance between the observations in the county.
A tibble with 99 observations and 4 variables
the name of each Iowa county
the ambient temperature recorded by the citizen scientist
the ID number for the scientist who made the recording
the shape file for each county of Iowa
the centroid longitude for each county of Iowa
the centroid latitude for each county of Iowa