Hourly Timesteps for Model Output

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Matthew Lombardo

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Oct 24, 2025, 10:34:54 AM10/24/25
to QSWAT+
Hi everyone,

Is it possible to run SWAT+ so it creates outputs at an hourly timescale instead of a daily timescale? I saw on the SWAT+ interface that you can have it process internally at an hourly timestep, but it will the output selection only goes down to daily timesteps. I am interested in this since I was to calibrate my model using hourly nitrate and ammonia data during large storm events. Is this possible?

Thank you,
Matt Lombardo

Judith Eeckman

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Mar 4, 2026, 6:03:44 PMMar 4
to QSWAT+

Hi everyone,
I have the same  question as Matt Lombardo : I run QSWAT+ forced with hourly precipitation (other variables are simulated based on the weather generator), but I can't get hourly output, only daily ones.
'channel_sd_subday.txt' is generated, by it gives only null values for the simulated flo_out variable.

Thanks,
J.E.


Nancy B. Sammons

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Mar 5, 2026, 8:15:34 AMMar 5
to Judith Eeckman, qswa...@googlegroups.com

Judith: 

Please send me your current txtinout folder and I will take a look at what might be happening.

Thank you,

Nancy

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