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 11116 cfs

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

Fri, Apr 09, 2004 3582.92 10,191,748 11116 10932 72.0 46.9 57.0

Thu, Mar 30, 1989 3674.65 20,489,286 11116 14200 77.0 45.0 --

Tue, Mar 29, 1988 3681.69 21,505,422 11116 12600 55.0 24.0 --

Mon, Mar 15, 1982 3663.63 19,061,044 11116 8720 60.0 42.0 --

Wed, Nov 19, 1975 3666.83 19,702,694 11116 14500 54.0 36.0 --

Wed, Nov 14, 1973 3645.99 17,041,192 11116 7420 69.0 36.0 --

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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