Solar generation in rain/cloudy conditions

AQI figures for JHB only going into the red later on today at around 5pm but still not great.
 
Yeah yesterday the AQI was really bad. When I drove through PTA I could not even see the top of the buildings and Telkom tower due to the pollution.
 
I am not at the house anymore and just the 2 now. And yeah, they use even less power. No semblance of boobs, I tried myself and failed.

IMG_2050.jpeg
 
wingnut771 said:
What's Dubai like? Iran try blow anything up lately?
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Hot enough to not need to run the geyser at all. It’s luke warm from the cold tap.

As for the place, nothing to note really on the ground. Nothing from Iran but I haven’t been following the news to be honest.
 
denmendez65 said:
Hot enough to not need to run the geyser at all. It’s luke warm from the cold tap.

As for the place, nothing to note really on the ground. Nothing from Iran but I haven’t been following the news to be honest.
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You have a cold tap :-P. Ah how long you stuck in the desert?
 
JaseZA said:
View attachment 1920267

This is my Ambient Weather 2902C (Green) vs my total solar (Yellow) - you can see they track reasonably well. This is for Richards Bay yesterday.

View attachment 1920268

This is the same graph on the 9th of December 2025 (Solar in Red now...). Max Lux is more than double but the equivalent max Solar is only 33% higher. The panel on the weather station is parallel to the ground, so potentially that also contributes to the lower than expected lux in winter. It's also probably just not the most accurate sensor. Add to that the temperature effects and it probably explains the discrepancy.
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Supports my assertion exactly: That winter radiation is less than 50% of summer. And the exact same phenomenon can be confirmed with any public weather site, using thousands of weather stations, but apparently Lupis is incapable too lazy to do this simple research.
 
RonSwanson said:
Supports my assertion exactly: That winter radiation is less than 50% of summer. And the exact same phenomenon can be confirmed with any public weather site, using thousands of weather stations, but apparently Lupis is incapable too lazy to do this simple research.
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I get where he is coming from though. As much the actual radiation is less than Summer, summer is riddled with rain.

So on average they wind up being similar. Winter is more consistent. But on a sunny to sunny day then summer is better sure.
 
denmendez65 said:
I get where he is coming from though. As much the actual radiation is less than Summer, summer is riddled with rain.

So on average they wind up being similar. Winter is more consistent. But on a sunny to sunny day then summer is better sure.
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Plus JaseZA is in Richards Bay not JHB, they've had rather cloudy weather.
 
RonSwanson said:
Supports my assertion exactly: That winter radiation is less than 50% of summer. And the exact same phenomenon can be confirmed with any public weather site, using thousands of weather stations, but apparently Lupis is incapable too lazy to do this simple research.
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Does this tool line up with your production numbers?

Gary Does Solar - Solarazma

www.solarazma.com www.solarazma.com
 
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