Weather Software > What Weather Software should I use/buy?

Is there an *easy to use* spreadsheet/software to calc evapotranspiration?

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NeverDie:
I'd like to do some "what-if's" to get a feel for the sensitivity of the different parameters.

Preferably, the spreadsheet/software would take the input parameters in the same format as is typically displayed on US weather stations (i.e. not in metric).

Bushman:
Everything you ever wanted to know about ET.  http://www.fao.org/docrep/X0490E/x0490e00.htm#Contents  And a handly little program to calculate it.  http://www.fao.org/nr/water/eto.html  Now the Holy Wars can begin as to whether Penmann-Monteith is the best model or not.  ;)

NeverDie:
Unfortunately, it's a DOS program, and also doesn't seem to like running on a 64 bit machine.  It failed to install under Windows 7.  Then, my first attempt at getting it to work in a Microsoft virtual machine (for backward compatibility) failed.  Before I potentially waste a lot of time fussing with it trying to get it to run, any other suggestions?

Cutty Sark Sailor:
I just use CoCoRaHS  :lol:
http://cocorahs.org/Content.aspx?page=et
This'll be third year. Beautiful.
http://cocorahs.org/ViewData/ListETReports.aspx

Mike

NeverDie:

--- Quote from: Cutty Sark Sailor on April 06, 2014, 12:37:42 PM ---I just use CoCoRaHS  :lol:
http://cocorahs.org/Content.aspx?page=et
This'll be third year. Beautiful.
http://cocorahs.org/ViewData/ListETReports.aspx

Mike

--- End quote ---

I gather you're using the type you need to read and refill manually, rather than a more automated one?  At a 12 inch water depth, it looks like the manual version could last 3-4 weeks between refills during the hottest months here, and presumably longer than that during other months.  Can it be operated that way?

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