Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 23300.00 cfs

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

Fri, Mar 14, 1986 3682.68 21,650,950 20025 23300 56.0 39.0 --

Fri, Apr 19, 1985 3680.29 21,300,346 48546 23300 62.0 43.0 --

Tue, Jan 10, 1984 3683.67 21,829,422 14219 23300 54.0 29.0 --

Sun, Jul 20, 1980 3698.68 24,272,380 14072 23300 104.0 63.0 --

Wed, Aug 17, 1977 3645.22 16,840,138 7503 23300 88.0 69.0 --

Sat, May 15, 1965 3491.53 4,199,339 23802 23300 75.0 51.0 --

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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