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 6569 cfs

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

Thu, Aug 11, 2022 3534.32 6,096,946 6569 12440 94.0 72.0 --

Fri, Sep 21, 2001 3665.19 19,181,886 6569 7848 90.0 63.0 76.0

Mon, Aug 26, 1996 3682.74 21,659,968 6569 15300 93.0 67.0 --

Mon, Dec 05, 1994 3651.98 17,463,438 6569 12000 50.0 39.0 --

Tue, Aug 08, 1989 3672.63 20,204,814 6569 13600 102.0 72.0 --

Mon, Aug 01, 1977 3649.05 17,315,044 6569 24600 100.0 75.0 --

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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