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 8760.00 cfs

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

Sun, May 05, 2024 3560.94 7,853,566 16030 8760 67.0 46.7 --

Tue, Nov 22, 1994 3652.78 17,564,248 7253 8760 50.0 33.0 --

Sun, May 28, 1989 3677.64 20,916,144 17459 8760 94.0 52.0 --

Wed, Mar 22, 1989 3674.65 20,489,286 10780 8760 68.0 28.0 --

Sat, May 16, 1981 3677.68 21,046,360 8580 8760 n/a n/a --

Thu, Jan 14, 1971 3598.87 11,907,068 11566 8760 50.0 29.0 --

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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