As I recall, there were a gazillion NOAA weather pages, but finding the one I wanted, and making sense of it, was hard.
I'd start here:
https://www.ncdc.noaa.gov/
Some links to a variety of data sources:
https://www.ncdc.noaa.gov/data...
I thought that the data I found came from "climate normals":
https://www.ncdc.noaa.gov/data...
But I'm not finding anything like the little summary table of average-minimum-daily-temperatures.
I'll keep hunting when I find time.