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 inflow into Lake Powell was 7222.00 cfs

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

Thu, Dec 15, 2022 3526.65 5,640,357 7222 10493 36.5 21.7 48.0

Mon, Sep 21, 2015 3606.98 12,428,717 7222 12339 86.0 63.0 78.0

Wed, Nov 20, 2013 3587.56 10,601,066 7222 7225 51.1 44.1 57.0

Tue, Dec 20, 2011 3641.73 16,208,260 7222 20321 46.9 33.1 53.0

Tue, Sep 20, 2005 3602.10 11,951,559 7222 8284 87.1 61.0 73.0

Mon, Jul 11, 1966 3543.66 7,368,824 7222 11400 95.0 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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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