DWR_2982734

• Title: ET WORKSHOP 2016: WEATHER DATA FOR ET CALCULATIONS - NORTHERN WATER
• Author/Source: MARK CROOKSTON, P.E.
• Author/Source: JUNE CAVES
• Author/Source: NORTHERN WATER
• Keywords: EVAPOTRANSPIRATION, ET, NORTHERN WATER, BIG THOMPSON, WEATHER, STATION, COAGMET, CALIBRATION
• Document Type - Reference Library: Presentations
• Document Date: 10/13/2016
• Year: 2016
• Team/Office: Modeling

ET Reference

ASCE Standardized Penman-Monteith equation
Hourly calculations: ETrs for alfalfa & ETos for turf grass
Daily, weekly, monthly, quarterly, and yearly data
aggregations available via web.
ETrs is factored using coefficients based on crop growth
stages for all major crops grown in the area