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 11014.00 cfs

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

Thu, Oct 12, 2017 3628.07 14,637,823 11014 10379 79.0 50.0 67.0

Sat, Feb 27, 1988 3681.71 21,508,364 11014 9020 64.0 31.0 --

Sun, Dec 05, 1971 3611.82 13,206,984 11014 12000 47.0 25.0 --

Sat, Mar 07, 1970 3571.13 9,430,389 11014 4400 60.0 36.0 --

Wed, Mar 04, 1970 3570.70 9,394,582 11014 4300 55.0 34.0 --

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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