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Cooperative Institute for Research in Environmental Sciences <br />UNIVERSITY OF COLORADO BOULDER and NOAA <br /> 2012 Water Year 2012 Summer <br />FRET <br />forecast period <br />BIAS <br />(in/day) <br />MBE <br />(-) <br />MAE <br />(in/day) <br />BIAS <br />(in/day) <br />MBE <br />(-) <br />MAE <br />(in/day) <br />1-day 0.006 0.18 0.029 0.015 0.07 0.036 <br />3-day 0.006 0.18 0.028 0.015 0.08 0.034 <br />5-day 0.006 0.18 0.028 0.013 0.08 0.032 <br />7-day 0.004 0.17 0.028 0.012 0.07 0.032 <br />Short-term forecasting of ET0 <br />FRET verification <br />Water year (WY) and summer FRET ET0 vs. CIMIS observations <br />FRET – CIMIS observation for 48 stations <br />> 80% of FRET values within <br />0.05 in/day of observed ET0 <br />for all forecast periods. <br />FRET has slight +ve bias wrt <br />observed ET0, increased <br />bias in summer. <br />1-day 3-day 5-day 7-day <br /> WY, 1-day WY, 7-day Summer, 1-day Summer, 7-day