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 10912.00 cfs

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

Mon, Jul 17, 2023 3583.83 9,603,622 10912 18705 107.8 64.0 79.0

Thu, Mar 04, 1993 3612.69 13,002,971 10912 9980 59.0 36.0 --

Fri, Mar 19, 1982 3663.73 19,074,400 10912 11000 60.0 35.0 --

Fri, Mar 05, 1971 3602.32 12,244,354 10912 11400 56.0 37.0 --

Tue, Mar 03, 1970 3570.53 9,380,429 10912 5270 54.0 37.0 --

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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