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 7078 cfs

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

Sat, Jan 27, 2024 3565.28 8,167,368 7078 11781 49.6 34.2 --

Thu, Oct 20, 2016 3610.03 12,733,320 7078 10355 69.0 45.0 67.0

Thu, Sep 09, 2004 3571.36 9,217,457 7078 8176 89.1 68.0 74.0

Thu, Sep 12, 1996 3680.76 21,368,968 7078 15500 81.0 60.0 --

Sat, Oct 01, 1988 3685.57 22,081,510 7078 8000 84.0 57.0 --

Thu, Oct 10, 1974 3651.23 17,671,944 7078 9640 79.0 54.0 --

Fri, Oct 30, 1964 3491.92 4,225,836 7078 3720 76.0 51.0 --

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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