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 5850.00 cfs

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

Sat, Dec 03, 1988 3681.96 21,545,114 6754 5850 51.0 27.0 --

Thu, May 03, 1979 3647.64 17,085,240 35634 5850 n/a n/a --

Sun, Dec 26, 1971 3609.53 12,970,416 13585 5850 60.0 38.0 --

Mon, Nov 30, 1964 3491.47 4,202,439 8412 5850 58.0 34.0 --

Sun, Nov 29, 1964 3491.46 4,201,918 8263 5850 60.0 35.0 --

Wed, Sep 30, 1964 3491.69 4,213,877 7590 5850 86.0 57.0 --

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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