Last night I finished up installing the solar radiation sensor on my weather station. It will be fun to track and share...
If anyone is interested, my weather page: http://www.howardweb.org/weather (http://www.howardweb.org/weather)
and in particular, the solar radiation page: http://www.howardweb.org/weather/solar (http://www.howardweb.org/weather/solar)
Jim
Very Nice! but that forecast is cold.
yessir it is... but at least it is cloudy. :P
We could almost swap forecasts, yet at opposite sites...
http://weather.gc.ca/city/pages/bc-76_metric_e.html
Quote from: Westbranch on January 05, 2015, 08:38:03 PM
We could almost swap forecasts, yet at opposite sites...
http://weather.gc.ca/city/pages/bc-76_metric_e.html
Is Williams Lake, BC where you live ? Pretty neat place !
boB
boB, Yes, living in WL Lk, but to avoid confusion, Avatar is from our new build at the lake
How clouds take a bite out of a sunny morning
Quote from: xsnrg on January 15, 2015, 12:00:50 AM
How clouds take a bite out of a sunny morning
Don't they just! That's very similar to what I'm doing here too.
I use an Apogee Instruments pyranometer as my sensor, and plot it thus:
(http://ranges.albury.net.au/environment/insolation.avg.gif)
I read it every second, but record and plot every 5 mins.
The blue (area) is the average over the 5 mins.
The red line is the peak power during the 5 minutes.
The green line is my calculated (theoretical) power available at this lat/long at this time of day on this day of the year.
The black line is an cosine-adjusted value of what the incident radiation would be if I could point my panels straight at the sun (and since most of my arrays are on trackers, that's me).
I do some more calculations based on what I am actually measuring vs what "should be available" to know if I have a problem, or have "opportunity power" available.