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 9336.00 cfs

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

Fri, Sep 04, 2015 3608.65 12,594,892 9336 12319 88.0 71.1 79.0

Sun, Oct 27, 1996 3678.12 20,985,560 9336 7950 55.0 40.0 --

Thu, Dec 23, 1993 3659.91 18,480,806 9336 14000 44.0 22.0 --

Tue, Oct 27, 1987 3687.51 22,373,012 9336 5570 71.0 47.0 --

Sun, Nov 14, 1976 3659.69 18,711,786 9336 12700 53.0 38.0 --

Sat, Mar 22, 1975 3645.93 16,980,560 9336 3450 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