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

Water Data for 20 days surrounding Aug 21, 2011

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Wed, Aug 31, 2011
3655.34
-0.15
17,889,580
11823
17708
99.0
73.9
81.0
Tue, Aug 30, 2011
3655.49
-0.17
17,908,772
11433
19940
98.1
71.1
82.0
Mon, Aug 29, 2011
3655.66
-0.26
17,930,542
11528
22275
95.0
75.0
81.0
Sun, Aug 28, 2011
3655.92
-0.20
17,963,872
11676
24712
97.0
75.0
81.0
Sat, Aug 27, 2011
3656.12
-0.25
17,989,540
11564
24664
n/a
n/a
81.0
Fri, Aug 26, 2011
3656.37
-0.22
18,021,664
11811
24627
98.1
78.1
81.0
Thu, Aug 25, 2011
3656.59
-0.26
18,049,964
11777
24593
98.1
78.8
81.0
Wed, Aug 24, 2011
3656.85
-0.22
18,083,450
11969
24776
n/a
n/a
81.0
Tue, Aug 23, 2011
3657.07
-0.24
18,111,818
11820
24740
n/a
n/a
80.0
Mon, Aug 22, 2011
3657.31
-0.21
18,142,800
11730
24796
99.0
75.0
80.0
Sun, Aug 21, 2011
3657.52
-0.24
18,169,940
12349
24807
97.0
73.9
80.0
Sat, Aug 20, 2011
3657.76
-0.21
18,200,992
12628
24749
96.8
75.9
80.0
Fri, Aug 19, 2011
3657.97
-0.24
18,228,192
12701
24753
97.0
70.0
80.0
Thu, Aug 18, 2011
3658.21
-0.19
18,259,316
13260
24702
n/a
n/a
79.0
Wed, Aug 17, 2011
3658.40
-0.22
18,283,980
13525
24740
n/a
n/a
79.0
Tue, Aug 16, 2011
3658.62
-0.24
18,312,566
13524
24716
n/a
n/a
79.0
Mon, Aug 15, 2011
3658.86
-0.18
18,343,788
14188
24699
97.0
71.1
79.0
Sun, Aug 14, 2011
3659.04
-0.19
18,367,228
14721
24675
93.0
73.9
79.0
Sat, Aug 13, 2011
3659.23
-0.23
18,391,992
15358
24681
97.0
75.0
79.0
Fri, Aug 12, 2011
3659.46
-0.19
18,422,004
15916
24676
n/a
n/a
79.0
Thu, Aug 11, 2011
3659.65
-0.16
18,446,820
16908
24652
99.0
78.1
79.0
Averages of List
3657.50
-0.21
18,167,563
12962
24032
97.2
74.6
80


Averages for August 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3639.37
-0.14
16,531,825
8817
15729
93.4
68.3
79.2
All-Time
3630.29
-0.14
15,448,064
8892
15186
72.3
48.3
62.7


All Lake Powell water data for August 21st

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu Aug 21, 2025
3550.33
7,120,250
3432
12421
100.8
70.7
--
Wed Aug 21, 2024
3581.66
9,427,505
10608
12594
89.4
66.5
--
Mon Aug 21, 2023
3575.97
8,976,016
7567
13962
92.1
71.4
80.0
Sun Aug 21, 2022
3533.37
6,039,217
11811
9399
90.0
68.0
78.0
Sat Aug 21, 2021
3550.80
7,642,598
10269
12845
91.0
68.0
82.0
Fri Aug 21, 2020
3601.76
11,918,772
4489
14684
90.0
77.0
81.0
Wed Aug 21, 2019
3620.13
13,777,011
7007
15891
103.0
71.0
80.0
Tue Aug 21, 2018
3599.19
11,672,971
8882
15833
94.0
65.0
79.0
Mon Aug 21, 2017
3632.41
15,124,498
9725
14886
91.0
73.0
80.0
Sun Aug 21, 2016
3615.19
13,259,814
7603
13456
91.0
68.0
78.0
Fri Aug 21, 2015
3610.49
12,779,686
7218
13487
97.0
73.0
79.0
Thu Aug 21, 2014
3606.64
12,395,064
6190
13416
84.9
64.9
78.0
Wed Aug 21, 2013
3590.74
10,887,628
8332
13507
91.9
77.0
78.0
Tue Aug 21, 2012
3624.99
14,299,369
7413
13567
93.9
75.9
80.0
Sun Aug 21, 2011
3657.52
18,169,940
12349
24807
97.0
73.9
80.0
Sat Aug 21, 2010
3635.69
15,499,883
9370
12713
98.1
69.1
80.0
Fri Aug 21, 2009
3638.66
15,845,417
7785
13222
100.9
68.0
75.0
Thu Aug 21, 2008
3630.88
14,951,625
8655
14753
96.1
66.9
80.0
Tue Aug 21, 2007
3604.95
12,228,693
6267
13304
99.0
69.1
81.0
Mon Aug 21, 2006
3604.38
12,172,915
7091
12899
98.1
72.0
80.0
Sun Aug 21, 2005
3604.50
12,184,653
8730
12318
93.0
64.0
79.0
Sat Aug 21, 2004
3574.60
9,484,002
5124
13647
88.0
64.0
77.0
Thu Aug 21, 2003
3606.23
12,354,563
5045
15597
91.9
70.0
80.0
Wed Aug 21, 2002
3629.69
14,818,143
4585
14834
91.0
70.0
79.0
Tue Aug 21, 2001
3667.45
19,488,250
6475
13914
90.0
61.0
77.0
Mon Aug 21, 2000
3680.76
21,368,968
6370
8060
96.0
n/a
--
Sat Aug 21, 1999
3693.61
23,310,424
18501
19010
89.0
64.0
--
Fri Aug 21, 1998
3692.29
23,105,222
9149
21500
94.0
69.0
--
Thu Aug 21, 1997
3692.01
23,061,862
14467
21200
92.0
71.0
--
Wed Aug 21, 1996
3683.35
21,750,234
5910
15200
98.0
68.0
--
Mon Aug 21, 1995
3692.33
23,111,428
11973
18000
92.0
69.0
--
Sun Aug 21, 1994
3658.37
18,280,098
5121
12300
96.0
69.0
--
Sat Aug 21, 1993
3665.11
19,171,132
8495
13900
92.0
68.0
--
Fri Aug 21, 1992
3626.96
14,515,596
6269
14100
96.0
73.0
--
Wed Aug 21, 1991
3632.91
15,181,730
6996
15100
102.0
73.0
--
Tue Aug 21, 1990
3643.06
16,367,207
5774
18200
90.0
64.0
--
Mon Aug 21, 1989
3671.39
20,031,196
9194
13700
89.0
65.0
--
Sun Aug 21, 1988
3688.83
22,574,002
7085
6930
86.0
63.0
--
Fri Aug 21, 1987
3692.86
23,193,316
7202
26000
91.0
65.0
--
Thu Aug 21, 1986
3696.41
23,749,766
11260
27700
96.0
68.0
--
Wed Aug 21, 1985
3693.05
23,222,808
10319
24100
93.0
72.0
--
Tue Aug 21, 1984
3700.71
24,469,394
22816
23500
83.0
63.0
--
Sun Aug 21, 1983
3705.84
25,340,552
21640
26800
94.0
64.0
--
Sat Aug 21, 1982
3686.45
22,308,906
11040
14300
95.0
66.0
--
Fri Aug 21, 1981
3674.77
20,629,682
6430
16000
95.0
60.0
--
Thu Aug 21, 1980
3691.88
23,201,950
7558
16000
92.0
60.0
--
Tue Aug 21, 1979
3682.04
21,745,766
11194
13700
88.0
62.0
--
Mon Aug 21, 1978
3648.24
17,186,664
5786
19800
93.0
65.0
--
Sun Aug 21, 1977
3644.53
16,755,570
9074
15600
99.0
69.0
--
Sat Aug 21, 1976
3668.89
19,956,742
7228
14500
96.0
72.0
--
Thu Aug 21, 1975
3672.98
20,560,350
10677
14000
85.0
60.0
--
Wed Aug 21, 1974
3658.49
18,610,870
5987
19000
95.0
66.0
--
Tue Aug 21, 1973
3644.88
16,904,164
14775
13500
96.0
71.0
--
Mon Aug 21, 1972
3610.98
13,099,032
5229
18700
93.0
68.0
--
Sat Aug 21, 1971
3617.75
13,832,500
7269
16800
89.0
71.0
--
Fri Aug 21, 1970
3599.26
11,963,830
9744
14000
91.0
64.0
--
Thu Aug 21, 1969
3577.58
9,993,338
12084
16100
97.0
69.0
--
Wed Aug 21, 1968
3550.25
7,821,167
15170
13000
90.0
66.0
--
Mon Aug 21, 1967
3531.92
6,553,527
8997
11100
96.0
69.0
--
Sun Aug 21, 1966
3535.86
6,827,368
5122
8840
93.0
68.0
--
Sat Aug 21, 1965
3533.08
6,651,570
12973
17500
92.0
65.0
--
Fri Aug 21, 1964
3490.37
4,145,246
8540
6060
88.0
62.0
--
Wed Aug 21, 1963
156,400
4767
980
97.0
74.0
--



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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



Page took 2.54 seconds to create!
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