Downloading DailyET 3.0.2 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
The actual developer of the free program is Cranfield University. The most popular versions of the tool 3.0 and 2.1. The software is included in Office Tools. You can run this free PC program on Windows XP/Vista/7/8/10/11 32-bit. The program's installer file is generally known as Dailyet.exe.
From the developer:
DAILYET is a simple 'calculator' for estimating daily reference evapotranspiration (ETo) using data collected from a conventional weather station. The minimum input data required are maximum and minimum air temperature, relative humidity, sunshine duration and wind speed. The program runs under any version of Windows and can accept data in different forms, e.g.
You may want to check out more software, such as KEMET Spice Software or Skalc, which might be similar to DailyET.