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Ju-ply 2026 Obs and Disco - Kicking it off with heat, humidity, and ... severe?


weatherwiz
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On 7/18/2026 at 10:59 AM, tamarack said:

If the variance within that -/-2 F, once one has hundreds/thousands of observations, the averages should be valid to tenths at least.  (Unless there's a consistent bias toward either + or -.)  Works that way in forest inventory, at least.
 

Coldest I could find outside mtn location in New England is 47 at Fox Brook ME.

There's probably about 10 Fox Brooks in Maine.  My guess is the one on T17R12, immediately west from the town of Allagash.

Thanks.  That's the challenge, is there systemic bias in either direction enough to make it statistically significant, or does it all work out in the end?  And then we have the notion that precision always equals accuracy!  One line I will always recall, "we have very good models today that can give very precise-looking output that can be precisely wrong!"

I saw Fox Brook in the HYDCAR text product.  They don't give any more info for stations in the decode format at least.

 

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10 hours ago, ScituateMA said:

Some of the heaviest rain I've seen in a few years. Maybe heaviest rain I've seen since I moved into this house in July 2022. 

2.5 inch+ per hour type stuff for atleast 20-30 min. That along with really dry ground led to some localized flooding.

 

Those purple echoes came right overhead

Screenshot_20260721_190633_AccuWeather.jpg

Glad to see we both could get in on the action. I’m a little to your southwest, on the norwell/scituate line. This was def a much needed soaker for the south shore and much of eastern ma too!

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