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 9895 cfs

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

Tue, Mar 11, 2014 3575.51 9,559,772 9895 8337 61.0 44.1 49.0

Fri, Sep 20, 1996 3680.22 21,290,112 9895 14800 77.0 54.0 72.0

Fri, Jul 26, 1996 3686.95 22,288,574 9895 13600 107.0 71.0 --

Wed, Sep 06, 1995 3690.69 22,858,258 9895 18200 99.0 72.0 --

Sun, Jan 09, 1972 3608.83 12,878,264 9895 7200 45.0 23.0 --

Thu, Jan 20, 1966 3536.09 6,842,909 9895 10800 40.0 28.0 --

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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