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1. At the top of the Contents pane, click the List By Data Source button.
2. Hover over the right edge of the Contents pane until your cursor turns into a double-sided arrow.
3. Click and drag the right edge of the Contents pane to the right until you can see the full file paths, as shown below.

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1. In the Contents pane, right-click the Sheet1$_Layer layer and select Data > Export Features.
2. For ‘Output Feature Class:’, scroll to the end and rename the feature class from “Sheet1_Features_CopyFeatures” to “Rainfall”.
3. Ensure your ‘Copy Features’ window appears as shown below and click Run.

Since you have now created a permanent feature class, you may remove your temporary events layer and the corresponding Excel table.

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1. Repeat steps 1 - 9 using the Houses table. Rename the exported feature class “Houses” “Houses” and then remove the Houses table from the Table of Contents.

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1. At the top of the Contents pane, click the List by Drawing Order icon.
2. Click and drag the right edge of the Contents pane back to the left, so that it is only wide enough to display the short layer names.

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1. In the Contents pane, uncheck the Houses and Hurricane layers so that they are no longer visible.

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1. In the Geoprocessing pane, click the Toolboxes tab.
2. Double-click the Spatial Analyst Tools toolbox .Double-click the Interpolation toolset>  Interpolation toolset.
3. Click the IDW (Inverse Distance Weighted) tool.
4. In the ‘IDW’ window, use the ‘Input point features’ drop-down box to select the Rainfall layer, which contains your rain gauge data points.
5. Use the ‘Z value field’ drop-down box to select the Rainfall field that contains the values you wish to interpolate.
6. For ‘Output raster’, rename the exported raster from “Idw_Rainfall1” to “IDW“IDW_Rain”Rain”.
7. Leave the other fields with their default settings, ensure your ‘IDW’ window appears as shown below, and click Run.

It will take several seconds for the tool to begin running, at which point you will see the name of the tool across the bottom portion of the Geoprocessing pane. When the tool has finished running, a box will pop up in the same corner with the name of the tool and a green checkmark.

1. When the IDW tool has completed, close the Geoprocessing pane.

Currently, you cannot see most of the newly interpolated raster layer, because it is beneath the Texas layer.

1. Drag the IDWIDW_Rain layer to the top of the Contents pane, above the Houses layer, so that it is fully visible.

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1. In the Contents pane, click the IDW_Rain layer.
2. Click the Display tab.
3.  Under Feature Layer, on the Appearance tab, in the Effects group, adjust the Layer Transparency slider to 40%.

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1. In the Geoprocessing pane, click the Toolboxes tab.
2. Double-click the Spatial Analyst Tools toolbox to collapse it.
3. Double-click 3D Analyst Tools > Data Management > TIN > Create TIN.
4. For ‘Output TIN’, type “TIN_Rain” and click elsewhere to update the text field.
5. Use the ‘Coordinate System’ drop-down box to select the Rainfall feature class.
6. Use the ‘Input Features’ drop-down box to select the Rainfall feature class.
7. Use the ‘Height Field’ drop-down box to select the Rainfall field.
8. Ensure your ‘Create TIN’ window appears as shown below and click Run.

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