New 1991-2020 Averages being used this year.
Lower Colorado Water Supply Outlook, February 1, 2022Lower Colorado Water Supply Outlook, February 1, 2022
Note: This publication is scheduled for revision. If you have feedback on content, format, or publication frequency, please contact us.
Contents
Lower Colorado Summary

*Median of forecasts within each basin.
Salt Basin Conditions

Snow Water Equivalent in Percent of Median.
* Percent usable capacity, not percent average contents.
Click for multi-month Graph.
Gila Basin Conditions

Snow Water Equivalent in Percent of Median.
* Percent usable capacity, not percent average contents.
Click for multi-month Graph.
Little Colorado Basin Conditions

Snow Water Equivalent in Percent of Median.
* Percent usable capacity, not percent average contents.
Click for multi-month Graph.
Differences between the full period forecasts and the residual forecasts may not exactly equal the actual observed volumes due to rounding conventions (see Definitions section).
Precipitation Maps


Hydrologist: T.Grout, P. Miller