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 27100.00 cfs

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

Tue, Jul 01, 1986 3695.19 23,557,820 51076 27100 n/a n/a --

Mon, May 05, 1986 3682.99 21,696,528 42908 27100 n/a n/a --

Sun, May 04, 1986 3682.66 21,648,008 39928 27100 85.0 55.0 --

Sun, Mar 30, 1986 3680.76 21,368,962 20055 27100 78.0 52.0 --

Thu, Sep 01, 1983 3704.23 25,074,804 16223 27100 97.0 70.0 --

Sun, Aug 28, 1983 3704.88 25,182,038 18389 27100 89.0 51.0 --

Wed, Mar 17, 1965 3490.95 4,169,205 9602 27100 62.0 45.0 --

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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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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