Error in Station Uptime

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Alan Salmon

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Jan 23, 2025, 7:38:18 PM1/23/25
to weewx-user
I raised this a couple of months back because my Station Uptime was 1 minutes longer than the Server Uptime.

After just watching it for a while,  I've got to this point:

2025-01-24.png

It's nothing catastrophic, rather a bit puzzling and I'd be interested to know how this happens.

Cheers from outback Australia.

vince

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Jan 23, 2025, 7:54:12 PM1/23/25
to weewx-user
I suspect you are not running a ntp daemon annd your system clock is drifting slow as every computer tends to do.

michael.k...@gmx.at

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Jan 24, 2025, 1:44:04 AM1/24/25
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Is it drifting? If not. an explanation could be (just guessing), your machine (rPi?) doesn't have an RTC and WeeWX was started, before ntp corrected the clock, after the machine was powered off for about five hours. The WeeWX start time was stored an the station uptime is calculated with the timestamp sill 5 hours earlier, than the real time. Server uptime is provided by the OS and calculated in such a way that the correction of the clock is considered.
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