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Charts - Rain charts: Difference between revisions
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There are three Y-axis: one on the left, the main Y-axis, showing the actual rainfall amount. On the right we see the Y-axis with value of the moving average and the Y-axis with the value of the accumulated rainfall value.
The rangeselector gives the user the option to view a selected period with fixed buttons (left) or by specific dates (right).<br>
== Monthly Rain ==
The chart shows the monthly values of total rain that month for each year. The years have a different colour according to [[Charts#Colours|the colour scheme]]. The number of series directly visible is governed by the parameter [[Charts#MaxNrOfSeriesVisibileInGraph|MaxNrOfSeriesVisibleInGraphs]].
If the value of the inifile parameter [[Charts#UseNormalRainReference|UseNormalRainReference]] is ''Normal'' the user sees a black line representing the normal average values of total rainfall. When UseNormalRainReference is ''StationAverage'' the user sees a grey line representing the station average values of total rainfall. And obviously when the parameter value is ''Both'', the user sees both lines. In addition to the Station Average Value line, the estimator '''s''' for the standard deviation <math>\boldsymbol{\sigma}</math> belonging to that line, is always shown as a grey surface with the width of '''s''' for a specific month.<br>
== Yearly Rain statistics ==
[[File:Year Rain Statistics.jpg|thumb|right]]
For each year the charts shows the average of the daily rainfall, the range of the daily rain fall and the estimator '''s''' for the standard deviation <math>\boldsymbol{\sigma}</math> belonging to that average. The colours of this chart are hardcoded and cannot be changed. Moving the mouse around provides the specific values in the tooltips.
NOTE: the Y-axis scale is logarithmic. This type of scaling has provided for possible negative values to accommodate proper charting even if not mathematical correct.<br>
== Yearly Rain statistics per Month ==
[[File:Year Month Rain Statistics.jpg|thumb|right]]
This chart is similar to the previous one, only now the the user can select a specific month through a row of buttons on top of the chart.
[[Category:CumulusUtils]]
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