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 22100.00 cfs

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

Tue, Nov 25, 1986 3688.36 22,502,096 21239 22100 55.0 35.0 --

Mon, Feb 03, 1986 3685.25 22,033,500 14516 22100 58.0 34.0 --

Sat, Apr 27, 1985 3683.58 21,784,432 44939 22100 67.0 39.0 --

Wed, Jan 11, 1984 3683.54 21,810,064 14209 22100 47.0 30.0 --

Sat, Dec 31, 1983 3685.24 22,095,450 13269 22100 47.0 32.0 --

Tue, Nov 15, 1983 3691.78 23,090,294 15951 22100 57.0 36.0 --

Mon, May 30, 1983 3694.32 23,485,630 70219 22100 90.0 61.0 --

Wed, Sep 07, 1977 3641.09 16,338,962 5577 22100 99.0 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