Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 9402 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP

Tue, Sep 13, 2022 3529.76 5,822,866 5935 9402 72.0 63.0 79.0

Sun, Aug 28, 2022 3532.29 5,973,986 5896 9402 95.0 67.0 78.0

Fri, Feb 11, 2022 3529.79 6,225,157 8105 9402 64.0 35.0 44.0

Sun, Mar 08, 2015 3592.11 11,012,599 8127 9402 64.0 36.0 49.0

Sat, Mar 30, 2013 3599.03 11,657,778 6532 9402 73.9 53.1 53.0

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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = * Flow CFS
TP = Total Precipitation

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Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes): Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data