Humidity swings

[John Ross]

Hi Bob,
I tuned 40, in a University, the first 2 weeks of the month.   They were 25-30c
sharp.
The humidity was 65-70%.
When I tuned them last Jan., with the humidity 25% or less, they were a similar
amount flat.
This has been the general trend for the last 9 years.
Regards,
John M. Ross
Windsor, Nova Scotia, Canada.

RptBob1@AOL.COM wrote:

> In a message dated 98-09-21 15:48:53 EDT, you write:
>
> << s an example, I've tuned a dozen school pianos this week. All were
> somewhere
>  between 20 and 40 cents sharp.  This winter they will be at least that flat.
>  Th >>
> Dear WHoever you are since you didn't sign your letter and I wish you did:
>
> I have just completed tuning several dozen school pianos this week and for the
> first time in recent memory, have found most of these pianos within 3-5cents
> of A440.  I was amazed since they are usually as you describe the pianos in
> Minnesota.  I wonder if anyone else has noticed similar closeness of pitch in
> tuning school pianos this late summer.
>
> Bob Bergantino,RPT
> South Euclid (Cleveland), Ohio