Recent Posts

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WeatherLink by Davis Instruments / Re: Weatherlink Network Upload :Off
« Last post by johnd on Today at 02:54:16 AM »
OK the migration worked and appears to be working fine. Wish I didn't pay for the software for Weatherlink 1.0 as I would rather upgrade the 2.0 to Pro plan. Guess that's my mistake. Anyway, would Davis  issue a refund if I upgrade to 2.0 Pro plan?

Well, the way it should work is that coming from a 6558/6559 plan then post-migration you should be on Pro tier for the balance of the time left on your 6558/6559 plan. But this is one of the aspects of the migration that I think is still being worked on. You need to email support@weatherlink.com with details of your previous plan expiry date and tell them that the migration hasn't automatically elevated you to Pro tier. It may take them a while to respond - AIUI they're very stretched at present but it should get sorted out in the end. (OTOH if you only had a few weeks to run on the old plan then it's maybe not worth it.)
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WeatherLink by Davis Instruments / Re: Weatherlink Network Upload :Off
« Last post by Mattk on Yesterday at 11:52:53 PM »
OK the migration worked and appears to be working fine. Wish I didn't pay for the software for Weatherlink 1.0 as I would rather upgrade the 2.0 to Pro plan. Guess that's my mistake. Anyway, would Davis  issue a refund if I upgrade to 2.0 Pro plan?

So exactly what software did you pay for WeatherLink 1.0? Then we can move on to why you expect a refund if you upgrade to 2.0 Pro.
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Seems like jerryg sensor with the sf2 filter cap is performing well and the DPs appear to aligns with the Airport reports
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AcuRite Weather Stations / Re: Ancient 5 in 1 Humidity Temp Sensor
« Last post by nincehelser on Yesterday at 10:09:35 PM »
This might be worth a shot.

Someone once mentioned they had trouble with the resistors on a breakout board like this, but I don't remember the particulars.

Looking at the pictures, it looks like you could possibly get an HTU21 instead of a SHT21, which is supposedly a compatible alternative.

https://www.amazon.com/Aihasd-GY-21-Humidity-Sensor-Breakout/dp/B078XQFN1B

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AcuRite Weather Stations / Re: Ancient 5 in 1 Humidity Temp Sensor
« Last post by daman on Yesterday at 09:38:12 PM »
I need to replace mine that looks like tmoosetrax's above, but they are sold out still! When will I be able to get one, or is something else compatible??
Good question I need one also!!
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Issue isn't linear at all.  Everything is hunky dory just a nice typical summer day mid 88 and DP 67 on average with heat index only 91 around here. 
It's always near high heat index advisor levels above 100 the issue arises for me.

Once temps get into 90's and dewpoint 70-80.
 
Example Actual T93,  DP 75, Hum 56% ,Heat Index 103

SHT31 will show T93, DP 78, Hum 62% Heat index 109

That's the issue.


I deal with the same issues and its frustrating!!!
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 :arrow: For Sunday - July 15, 2018 !

   =D>
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I get that. I supplied info on what's going on with my conditions now, and regarding issues, baseless or not, that have been brought up with this sensor, simple as that. Not saying there isn't a problem, merely sharing what I observed. My ISS will be accessible til I decide to put it back out to pasture, and I'll continue testing, if nothing else but for myself. If I find something that may be relevant, I'll share.
but come summer and high dew points, watchout...
Well, considering the monsoon is here..... As I look at this very moment comparing my dews with the "local gang" there's two 64F's and two 66F's. BTW, I'm using the 2 year old sensor at the moment. ;)
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FYI, the original 'cotton field' Stevenson Shields were all "white washed" white and not painted white...something about the lime being more "reflective" than paints which can sometimes actually be absorptive to infrared energy.
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Very helpful, thank you. We live near the sound and it's almost always breezy here.

Thanks everyone else as well - good info to think about.

Kipa


I used to live in Seattle.  You know as well as I do that June through early September you have sunny and long days.  That said, think about your micro climate.  Are you on the sound in west Seattle? Lakefront? Then it might be windy enough where FARS would have little impact.  If not, and you're landlocked in beacon hill then you might need it. 

I would think more about wind flow than temperatures.
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