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 6119.00 cfs

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

Wed, Sep 12, 2007 3602.33 11,973,765 6119 10459 91.9 62.1 79.0

Thu, Dec 06, 2001 3659.27 18,397,212 6119 13802 46.0 30.0 --

Sun, Oct 23, 1988 3684.43 21,911,060 6119 4160 86.0 50.0 --

Fri, Aug 14, 1981 3675.61 20,749,296 6119 11800 86.0 63.0 --

Fri, Feb 17, 1978 3623.92 14,343,938 6119 12800 48.0 29.0 --

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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