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 5900.00 cfs

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

Wed, Nov 30, 1988 3682.10 21,565,714 6932 5900 50.0 27.0 --

Sun, Nov 11, 1979 3675.05 20,731,278 9273 5900 61.0 35.0 --

Sat, May 05, 1979 3648.50 17,192,142 35781 5900 n/a n/a --

Sat, Nov 29, 1975 3667.07 19,735,678 11966 5900 40.0 30.0 --

Thu, Feb 13, 1975 3645.84 16,969,494 9876 5900 51.0 33.0 --

Sun, Jul 22, 1973 3642.47 16,609,202 28986 5900 95.0 64.0 --

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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