Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where inflow into Lake Powell was 7375.00 cfs

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

Sun, Dec 12, 2010 3628.71 14,708,873 7375 13317 55.9 36.0 53.0

Thu, Aug 25, 2005 3603.84 12,120,256 7375 15190 89.1 64.9 81.0

Tue, Mar 07, 2000 3677.53 20,900,562 7375 11534 49.0 36.0 --

Thu, Feb 04, 1982 3663.20 19,003,680 7375 20700 41.0 25.0 --

Thu, Dec 21, 1967 3526.46 6,198,591 7375 9610 38.0 11.0 --

Tue, Dec 19, 1967 3526.69 6,213,457 7375 11200 32.0 22.0 --

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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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Copyright Summit Technologies, Inc.
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