Not necessarily. Police and fire stations are often places where these instruments are located. In towns, surrounded by all of those heat sinks mentioned, long ago and still there.
Don’t think for a moment it is an interesting incidental happenstance.
Having worked regional monitoring for mil/civ diaster planning, it is common place. Otherwise, NOAA would have to lease, develop and maintain in spec platforms, they just punt, and give the local PD a bit of money for convenience.
Ask a local PD if they have a NOAA data logger and weather set on on the roof...I almost bet they do.
And this situation was reported on and we discussed it on FR nearly 20 years ago. NOAA does not want to fix the problem. I guess they consider it a feature not a flaw.
That’s fine but my point remains that when they were placed, they were placed correctly and that urban sprawl has changed the surrounding conditions.