Lake Powell Water Database


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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 21500 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Aug 28, 1998
3691.21
22,938,308
10304
21500
96.0
68.0
80.0
Thu, Aug 27, 1998
3691.38
22,964,508
10600
21500
93.0
67.0
--
Wed, Aug 26, 1998
3691.53
22,987,678
11040
21500
89.0
67.0
--
Tue, Aug 25, 1998
3691.71
23,015,468
12039
21500
92.0
70.0
--
Fri, Aug 21, 1998
3692.29
23,105,222
9149
21500
94.0
69.0
--
Thu, Aug 20, 1998
3692.46
23,131,562
9396
21500
94.0
62.0
80.0
Fri, Aug 14, 1998
3693.51
23,294,818
11396
21500
96.0
67.0
--
Wed, Aug 05, 1998
3694.79
23,494,960
17125
21500
99.0
72.0
--
Sun, Aug 24, 1997
3691.57
22,993,860
11981
21500
95.0
69.0
--
Sat, Aug 23, 1997
3691.72
23,017,014
12698
21500
99.0
74.0
--
Sat, Aug 15, 1987
3694.24
23,408,678
9172
21500
92.0
65.0
--
Tue, Sep 24, 1985
3686.47
22,216,496
16223
21500
89.0
54.0
--
Tue, Apr 30, 1985
3684.59
21,934,924
43141
21500
84.0
58.0
--
Fri, Apr 26, 1985
3683.30
21,742,708
48051
21500
58.0
41.0
--
Mon, May 23, 1983
3691.20
23,000,906
35095
21500
85.0
54.0
--
Fri, Feb 05, 1982
3663.03
18,981,006
7417
21500
36.0
12.0
--
Sat, Dec 19, 1981
3668.55
19,759,084
7295
21500
49.0
31.0
--
Mon, Aug 27, 1979
3681.42
21,654,420
10040
21500
94.0
67.0
--
Wed, Jan 17, 1979
3630.18
15,017,422
8328
21500
44.0
35.0
--
Thu, Sep 08, 1977
3640.80
16,304,206
5668
21500
101.0
75.0
--
Wed, May 19, 1976
3665.43
19,481,572
28762
21500
91.0
65.0
--
Fri, Jun 06, 1975
3657.54
18,457,504
44700
21500
94.0
62.0
--
Mon, Jan 13, 1975
3646.11
17,002,862
9568
21500
37.0
19.0
--
Fri, Apr 14, 1972
3612.01
13,205,801
8939
21500
53.0
34.0
--
Wed, Apr 07, 1971
3602.44
12,256,221
14977
21500
80.0
52.0
--


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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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Copyright Summit Technologies, Inc.
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