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Depth Output Timing Does not Match Hydrograph


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I am testing a model for overland flow and storm drain networks. I used local data to create a HMET file which began on 8/1/2019 and a created a Uniform Precipitation event beginning on 8/2/2019. When I run the model, the outlet hydrograph begins a day after the precipitation event (8/3/2019) and when I step through the depth dataset, it shows rain occurring on 8/1/2019. I can not figure out why the timing is a day early in the depth dataset and day late in the hydrograph. I am using a 60 minute write frequency in the Output Control. Screenshots of the depth, precipitation, and output hydrograph are in the attached file.


I'd appreciate any info/advice!


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