Charts - Solar charts: Difference between revisions
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The Solar charts submodule consists of four charts: |
The Solar charts submodule consists of four charts: |
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#Solar hours statistics - Plotting the range, average and estimator for the standard deviation for the solar hours per year |
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#Monthly solar hours statistics per year - Plotting the range, average and estimator for the standard deviation for the solar hours per month per year |
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#Insolation statistics - Plotting the range, average and estimator for the standard deviation for the solar energy per year |
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#Monthly Insolation statistics per year - Plotting the range, average and estimator for the standard deviation for the solar energy per month per year |
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Below you will find an example image of each chart and an explanation of the origin of the numbers. |
Below you will find an example image of each chart and an explanation of the origin of the numbers. |
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For the insolation graphs the method of calculation is explained. |
For the insolation graphs the method of calculation is explained. |
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For the calculations the standard C# LINQ-functions Min, Max and Avg are used. For the standard deviation this [https://stackoverflow.com/questions/2253874/standard-deviation-in-linq LINQ-extension] is used with a modification for a minimum number of observations required of 2, if less the StdDev returns 0 (zero). |
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NOTE: for years where no solar sensor was present the chart displays the value 0 on all charts. The possibility not to display the years at all has not been implemented. |
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== Solar hours statistics == |
== Solar hours statistics == |
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[[File:Solar Hours Statistics.jpg|thumb|right|Solar hour statistics per year]] |
[[File:Solar Hours Statistics.jpg|thumb|right|Solar hour statistics per year]] |
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For all days in a year the value of field 25, ''Total hours of sunshine'' (see [[Dayfile.txt|Dayfile]]), is taken and the resulting statistics are calculated and plotted. |
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== Monthly solar hours statistics per year == |
== Monthly solar hours statistics per year == |
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[[File:Monthly solar hours statistics per year.jpg|thumb|right|Monthly solar hours statistics per year]] |
[[File:Monthly solar hours statistics per year.jpg|thumb|right|Monthly solar hours statistics per year]] |
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For all days in a month in a year, the value of field 25, ''Total hours of sunshine'' (see [[Dayfile.txt|Dayfile]]), is taken and the resulting statistics are calculated and plotted. |
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== Insolation statistics == |
== Insolation statistics == |
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[[File:Insolation statistics.jpg|thumb|right|Insolation statistics per year]] |
[[File:Insolation statistics.jpg|thumb|right|Insolation statistics per year]] |
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== Monthly Insolation statistics per year == |
== Monthly Insolation statistics per year == |
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Revision as of 08:48, 9 April 2021
Introduction
These charts are only available if the station has a solar sensor for measuring the solar radiation.
The Solar charts submodule consists of four charts:
- Solar hours statistics - Plotting the range, average and estimator for the standard deviation for the solar hours per year
- Monthly solar hours statistics per year - Plotting the range, average and estimator for the standard deviation for the solar hours per month per year
- Insolation statistics - Plotting the range, average and estimator for the standard deviation for the solar energy per year
- Monthly Insolation statistics per year - Plotting the range, average and estimator for the standard deviation for the solar energy per month per year
Below you will find an example image of each chart and an explanation of the origin of the numbers. For the insolation graphs the method of calculation is explained.
For the calculations the standard C# LINQ-functions Min, Max and Avg are used. For the standard deviation this LINQ-extension is used with a modification for a minimum number of observations required of 2, if less the StdDev returns 0 (zero).
NOTE: for years where no solar sensor was present the chart displays the value 0 on all charts. The possibility not to display the years at all has not been implemented.
Solar hours statistics
For all days in a year the value of field 25, Total hours of sunshine (see Dayfile), is taken and the resulting statistics are calculated and plotted.
Monthly solar hours statistics per year
For all days in a month in a year, the value of field 25, Total hours of sunshine (see Dayfile), is taken and the resulting statistics are calculated and plotted.
Insolation statistics
