Regarding the WS-2000’s operation in cold, snowy conditions, mentioned in this thread and others, I can share this:
I have a WS-2000 mounted on a post about six feet off the ground in my yard. Our area has had two major snow events in the past month, each dumping about a foot of snow, as well as several smaller snowfalls of 3 inches or so. Also, we have had numerous days and nights of subzero temperatures, including lows the past three days of -27, -39, and -31 respectively, as well as others this month in the -10 to -25 range. The WS-2000 performed flawlessly through all of this weather. Yes, I did have to brush snow off the array, but winter weather has not hindered its operation insofar as I can tell.
Having relatively easy access to the array is advantageous when brushing off snow, of course. There is a lot of winter left here, including more subzero temperatures this coming week, so I’ll see how it goes. But so far the WS-2000 is performing admirably in winter conditions.
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UPDATE/Jan. 27: At 2:35 this morning, with the temperature -28.8, the WS-2000 outdoor sensors stopped reporting but resumed at 5:30 a.m. with the temperature at -36.9. There were several shorter lapses earlier overnight, but now everything seems OK. The extreme cold may be starting to affect the WS-2000’s performance. I have a RainWise MK-111 mounted a few feet away from the Ambient, and it has had no gaps in reporting.