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 inflow into Lake Powell was 7876 cfs

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

Tue, Jul 31, 2007 3607.35 12,465,417 7876 13234 93.0 68.0 81.0

Sun, Mar 12, 2000 3677.38 20,878,974 7876 10622 60.0 35.0 48.0

Sun, Jan 02, 1983 3684.47 21,980,354 7876 18500 42.0 20.0 --

Fri, Aug 01, 1980 3696.13 23,866,744 7876 24100 104.0 72.0 --

Fri, Dec 29, 1978 3632.84 15,344,943 7876 19700 47.0 28.0 --

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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