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 outflow from Lake Powell was 9160.00 cfs

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

Sun, Mar 14, 1993 3613.31 13,066,371 13272 9160 64.0 37.0 --

Fri, Oct 16, 1992 3621.81 13,955,966 6106 9160 n/a 56.0 --

Tue, Oct 08, 1991 3628.29 14,662,339 6812 9160 89.0 59.0 --

Fri, Sep 25, 1981 3672.14 20,257,872 8377 9160 83.0 60.0 --

Sun, Jun 04, 1978 3637.08 15,837,396 39696 9160 86.0 63.0 --

Mon, Feb 17, 1975 3645.96 16,984,260 9280 9160 46.0 31.0 --

Tue, Jan 28, 1975 3645.75 16,958,398 9007 9160 57.0 19.0 --

Mon, Aug 06, 1973 3644.38 16,842,698 14632 9160 93.0 70.0 --

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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