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 Lake Powell had 22,801,446 acre feet of water storage

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Oct 15, 1999
3690.32
22,801,446
11095
17661
n/a
n/a
--
Sat, Sep 05, 1998
3690.32
22,801,446
10008
15600
n/a
n/a
--
Thu, Oct 02, 1997
3690.32
22,801,446
19623
19800
n/a
n/a
--
Tue, Sep 30, 1997
3690.32
22,801,446
21907
19400
n/a
n/a
--
Mon, Sep 29, 1997
3690.32
22,801,446
23447
19300
n/a
n/a
--
Sun, Sep 28, 1997
3690.32
22,801,446
25841
18300
n/a
n/a
--
Tue, Sep 09, 1997
3690.32
22,801,446
13574
21200
n/a
n/a
--
Fri, Sep 08, 1995
3690.32
22,801,446
8953
17800
n/a
n/a
--


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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


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powell Water Database