Crop-Coefficients
Describes how to determine crop coefficient Kc values relative to ETo to estimate crop evapotranspiration
Evapotranspiration
NWSETO
Calculates ETo rates from weather service daily forecasts
PMmondoc
Documents the Penman-Monteith Monthly ETos Calculation (29 Nov 2004)
PMmon
Monthly ETos Calculator using the ASCE-EWRI (2004) method (21 Mar 2005)
PMdayDoc
Documents the ASCE-EWRI (2004) Penman-Monteith Daily ETos, ETrs and HS ETo Calculation (29 Nov 2004)
PMday.XLS
o Calculator using the ASCE-EWRI method (revised 2 Feb 2006)
PMhDoc
Documents the ASCE-EWRI (2004) Penman-Monteith Hourly ETos and ETrs Calculation (24 Feb 2005)
PMhrXLS
Hourly ETos and ETrs Calculator using the ASCE-EWRI (2004) method (revised 6 Jul 2006 – heading units corrected)
DYPM.EXE
Executable Daily ETos, ETrs and HS ETo Calculator using daily weather data and the ASCE-EWRI (2004) method. (29 Nov 2004)
HRPM.EXE
Executable Hourly ETo Calculator – See PMhrDoc below for documentation
ET101
A PowerPoint presentation on basics of evapotranspiration that was given at the USCID short course on “Applying the ASCE Standardized Reference Evapotranspiration Equation” at the Irrigation Association International Conference in San Diego, California, November 2003.
PMD
Penman-Monteith Derivation