The Data Chart is the foundational tool of the analysis suite and is used to view, edit, and statistically analyze the collected monitoring data.

From the Monitoring Station pop-up menu, select the second icon from the top (Data Chart). A new browser tab will open with four (4) weeks of the most recent data displayed.

This page has five tabs:

  1. Chart: view the data
  2. Statistics: statistical analysis of the data
  3. Display: configure the data display settings
  4. Download: download the data
  5. Admin: edit the data

1. Chart

The Data Chart page is laid out as follows:

  • The monitoring site name heads up the Data Chart, and is clickable to access Site Details.
  • Beneath the header is the date range of the data being currently viewed.
  • Each sensor channel (typically starting with rainfall) is displayed as measurement over time. Weekends are grey, while weekdays are white.
  • The Navigation Pane at the bottom shows the entire range of data collected for that site as well as the extent of the data currently being viewed; you can manipulate this Pane by clicking on the “Current Display” segment and moving it forwards or backwards, or you can increase or decrease the extent of data viewed by clicking on the “Current Display” segment expanders and pulling.
  • Likewise, clicking and dragging on any point of the Data Chart display will “zoom in” to that extent.

Zooming to within forty-eight (48) hours will display each data point, which you can hover over to see the exact metrics of each point.

2. Display

The Display Tab configures the presentation of the data. The “Sensor Selection” lists the different sensor channels (edited/calculated) to display. The “Raw Data” notes the raw sensor channels; in some cases, the raw and edited data sets are nearly or entirely identical.

Side Note: The user can define horizontal static lines (useful for defining pipe diameters, flow thresholds, etc.) by navigating to Station, selecting “Sensors” tab, choosing the sensor to which you will add the static line, clicking the sensor name, and navigating to the “Static Data” tab.

In-field calibration measurements (as entered into the site’s Activity Log) may be displayed on the Data Chart by selecting the check box under “Calibrated Data”.

Annotations can be added to the Data Chart. Depending on where you click, the annotation is tied to a specific sensor, time, and Y-axis value (which denotes where the text will appear on the chart).

Finally, the user can manipulate the time range of the data (user-defined or the entire range), the inter-event dry period between rainfall, and the resolution of the precipitation and flow time-steps.

3. Statistics

The Sensor Statistics tab takes you to a different view of the data. Average, minimum, maximum, and median values for the measured data are shown in tabular and chart form. The user selects the sensor to be analysed at the top right corner of the screen, and at the top left corner of the screen has the option of four quick views: the most recent full week, the most recent full month, the current month to date, and year to date. The user can also customize the time range, as well as the “time-step” of the statistics (daily, weekly, monthly, quarterly, or annually).

The user can export this statistical data as a .xlsx file.

4. Download

The user has the options of downloading either 1) selected monitoring data, 2) selected raw data, 3) or entire time range of data in.csv or InfoNet file formats.

5. Admin

The Admin tab allows the user to add alarms, and toggles the Data Editor.

The Data Editor allows you to:

  • Manually enter data points
  • Interpolate between points
  • Copy in data from historical records

You can manually edit by directly manipulating and/or modifying the numerical data points of each sensor; note that only existing data points on the chart can be edited.

Linear interpolation fills in data gaps (less than five consecutive data points) within a maximum one month time range. The user first selects the sensor, then selects the data gap by date (the number and dates of the data gaps listed in the drop-down menu will vary according to the extent of the data in view on the chart). The user then selects the starting point and the endpoint of the linear interpolation. The program then extrapolates the missing data between the two points.

Larger data gaps can be filled using historic information. The tool copies data within a one month time range. The user again selects the sensor to be edited, selects the gap to be filled, and finally selects the starting point of the historic data to be copied.

Remember to save the edits using the Data Editor.


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