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Utah State University Extension

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Reference evapotranspiration (ETo) and precipitation data are essential for developing water budgets and calculating irrigation water requirements. However, it is crucial that the data used for such purposes are recent and easily accessible to stakeholders. In this fact sheet, we calculated average reference evapotranspiration and precipitation data for multiple locations in Utah, USA. To accomplish this, we collected the data from the Utah Climate Center and compiled it to show an average of 20 years of data by month in an easily digestible format. We compiled data for 69 locations in Utah, making it easy to find one close to your site. However, it is important to note that the data might not be accurate in every location, as some locations may have distinct microclimate. Nevertheless, stakeholders can use this data to develop a water budget and calculate irrigation water requirements for their area.

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