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 outflow from Lake Powell was 7700.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun, Apr 23, 1989
3675.11
20,554,636
12864
7700
89.0
50.0
--
Sun, Oct 03, 1982
3687.56
22,476,220
17830
7700
73.0
48.0
--
Thu, Apr 06, 1978
3623.26
14,272,008
12931
7700
72.0
46.0
--
Tue, May 03, 1977
3652.55
17,757,058
7460
7700
80.0
60.0
--
Fri, Oct 20, 1972
3606.94
12,686,181
40922
7700
58.0
48.0
--
Fri, Feb 28, 1969
3542.87
7,277,079
12366
7700
54.0
33.0
--
Sat, Feb 22, 1969
3542.14
7,225,580
13611
7700
47.0
35.0
--
Mon, Sep 23, 1968
3545.82
7,498,815
7824
7700
78.0
51.0
--
Fri, Dec 24, 1965
3534.02
6,714,454
13062
7700
39.0
21.0
--


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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