Table 5: Comparison of East River (ER), Valles Caldera (VC), and Niwot
Ridge (NR) ET both over the summer (June-August, mm) as well as annual
ET (mm/year), precipitation cumulative for the water year (mm), and
average summer temperature (K). †Annual 2017 ET
is measured from April 2017 when the tower was installed through the end
of the water year (September 30, 2017).