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 outflow from Lake Powell was 9800 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 06, 2022
3530.88
5,889,468
4683
9800
103.0
74.0
81.0
Sat, Apr 14, 2012
3635.79
15,511,430
8407
9800
48.9
35.6
53.0
Tue, May 23, 1989
3677.25
20,860,000
13636
9800
93.0
58.0
--
Fri, Oct 02, 1987
3687.84
22,422,854
7713
9800
90.0
54.0
--
Thu, Nov 05, 1981
3671.88
20,221,354
8677
9800
65.0
43.0
--
Thu, Sep 26, 1968
3545.51
7,476,667
8353
9800
85.0
55.0
--
Thu, Dec 16, 1965
3533.85
6,703,070
14217
9800
41.0
30.0
--
Sun, Sep 26, 1965
3529.85
6,438,608
16500
9800
89.0
54.0
--
Sun, Aug 08, 1965
3533.67
6,691,020
21717
9800
101.0
79.0
--
Fri, Jul 09, 1965
3519.04
5,754,106
46385
9800
102.0
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


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powell Water Database