What I missed is the SOL-typical voltage curve during a day with max aound noon until may 
When did you set the SOL up ?
I had that curve till mid November.
I forget exactly when I set it up but around the summer.
Somehow I Now see a different graph then bevor… maybe I miss touched and looked at your Air’s 
I think you should open a ticket for support. They take care.
So, count me in as well. I opened a ticket (976855) and my station # is 1810.
After reading all the comments here on this thread, I have to ask a question that I didn’t see come up. Supposedly, the Solar Panel batteries are supposed to last nearly 30 days without further charging.
I don’t live up in the tundra, so I can say without hesitation that my system has NOT experienced anywhere near 30 days of sub-freezing weather where this would even be an issue. (FWIW - I have only experiences 2 days of sub-freezing, with some temps climbing comfortably above 32 F, which should allow for charging).
My concern, like others is that the panel should be able to continue to power the Sky for at least 1 week or 2 before there are any indications that we’re about to fail.
Sadly, my experience in opening a ticket felt like a pro-forma response, and it was auto-closed.
I replied asking that support take a look at my system (which they should be able to do), and see that the Sky went off line WAY before it would be reasonable to think that the temps were indeed too extreme for charging.
Hopefully, someone is really looking at this issue… and for what it’s worth, I also did sign up for the Tempest, and look forward to its release!
Thank you!
Hi @th18045 We’ll look into the matter closely and follow up with you. Thank you for reaching out.
Happy to re-open the ticket and arrange a replacement unit to be sure your SPA wasn’t insufficiently charging due to water intrusion. Thanks again.
Thank you…! I really appreciate the look…
For what it’s worth, the temp outside is 36 degrees with clear skies. I was hoping the panel would start charging, but it hasn’t done so yet.
Tony Huk
Could be that temps are a bit colder at SKY’s height above ground.
Got warm enough today to change out my SPA.
The dead one is leaking water out the bottom.
We will see how #3 holds up.
Glad to hear that! Thanks for the follow-up, @edtimm
My recollection is the rule of thumb was 4 degF per 1000 feet or so, so I’m doubting he mounted it THAT high 
Good point 
Guess it also could depend on the time of day, and siting differences, but yes AIR’s temp should be a pretty good representation of right where SKY is located.
My WF has also died. Finally got someone to climb up the tower for me. Solar batteries were dead and the unit was full of water. Tried to use batteries and the unit worked for a few minutes then died. Trying to wipe it all down and salvage it.
My unit was replaced back in Feb or so of last year due to water. Still have the bad one in a box. I have no idea where to ship it back to.
Here are some pics with the rust I now have on the bottom of the unit. Yes it was tightly locked in place.
If I shake my solar panel I am getting water out of it.
I just got the solar panel this spring, It’s already dead.
I have recommended WF for a number of ski areas up here in NH. I was even trying to convince Mt. Washington to get one. I am starting to feel embarrassed for recommending these WF units. I have had Peet Bros, Rainwise and Vantage PRO II and have never had an issue.But now I have nothing but problems with my WF.
Being up on a 50 foot tower it is hard to get to it in winter to fix the unit and keep it working. Even a 100.00 Lacrosse system has very few problems. The rain isn’t even accurate. My WF unit has been a chore to keep working and the rain is not even close to being accurate.
Wind spikes when it rains, false rain readings.
Not sure what to do now. I am going to stay away from WF systems. Hopefully WF will get this one working again. Not sure how to remove the rust build up.
not sure if WF if will do anything
My unit is about 1 year old.
They should at least replace the solar panel (less then 1 year old)
Not sure if the unit will still function,it has locked up on battery power again. Guess there’s still to much water in it. All this after a snow storm. Guess WF does not like snow.
I realize people say WF are on the lower end of cost and not for a weather spotter or NOAA reporting, But look at Lacrosse they appear to be better units for 1/2 the cost.
NOAA will not even accept my WF data, They rely on my VP 2 data my WF data was way off from other weather spotters around me.
Guess I am just irritated, WF issues and having to climb the tower again and again. Guess I need to mount it 5 feet off the ground.
K1DED
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that doesn’t look nice indeed.
It is known that a batch of solar panel had problems with water ingress. Seems that should now be solved, at least those that are been send out recently.
Regarding the sky getting full of water … that is weird as I have several since day one and none ever got any water in it. I do remember some having trouble with the light sensor … it was not properly installed and leaked slowly. Maybe yours is one of those unlucky ones.
In any case, open a ticket with @wfsupport I’m pretty sure they’ll help you out.
And next time do what I do always do, tape the several parts … when i see those tiny seals 
Will get some white electrical tape if I can get it working.
Do not like the rust, once you get rust it eats everything.
May have been the snow that accumulated on it and when it melted it might of leaked in.
Melting and freezing over a few days.
Thanks for the info, I will see what support has to say.
I will update when I hear back.
K1DED
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I used both Dow Corning 4 dielectric grease, and then taped it too. They clearly are early on the learning curve for both the SPA and weather seals. I bet they get it right soon though.
The gold contacts with DC 4 seem to be holding.
Wow that rust looks awful. I bet the battery hardware (contacts and springs) can rust too, cringe worthy just to think about it. Agree, once rust sets in, it is usually down hill from there.
I think some stainless hardware should be considered too. Stainless hardware might not be that expensive in large quantities.
Bottom line is the seals though, which clearly in many cases are not working yet.
So far I have heard nothing from support, The rust really bothers me.The SPA appears to be dead. I have tried to dry it out and it started to take a charge then dropped to zero again. Will try and use a hair dryer and see if that helps. As for the air, I am still trying to dry it out. When I took the SPA off there was ice in between the seals. I might try to add batteries today. Hopefully it will come to life.
https://smartweather.weatherflow.com/station/5840/grid
K1DED
OM i have a solution for Air as your a radio ham im sure this wouldnt be beyond you , but one of my Air got water in it I could see the residue white stains around some of the components so here is what i did amusing it may sound but its not something new its been around for some years and youve nothing to lose …
73s G7LIJ/TA not qrv,…
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I am working on trying to dry it out.The SP might be taking a charge at least according to my test meter. The Air has been put in a chamber at work that draws out moisture. I might have it up and working until the replacement arrives. I do not think I would trust it for too long of a time Maybe till next snow storm or rain. Support has been great. They are taking care of the issue I have.
Happy Holidays
K1DED
Daniel
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Did you take the SPA apart so you can measure the battery voltage directly? Mine was only at 0.3V when I took it apart. There was moisture in it but no noticeable water damage. It has been taking a charge sitting on my window sill.