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 8468.00 cfs

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

Tue, Sep 16, 2014 3605.82 12,314,154 8468 10338 91.9 72.0 77.0

Wed, Dec 05, 2007 3598.20 11,579,161 8468 13470 46.9 33.1 56.0

Tue, Dec 21, 1999 3682.27 21,590,628 8468 16158 51.0 28.0 --

Tue, Apr 06, 1982 3663.80 19,083,748 8468 11400 71.0 44.0 --

Sat, Jan 17, 1981 3680.53 21,460,920 8468 16200 51.0 31.0 --

Sat, Oct 28, 1967 3528.32 6,317,976 8468 5960 79.0 44.0 --

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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