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 15, 1991

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun, Aug 25, 1991
3632.31
-0.09
15,113,347
6215
10600
97.0
72.0
--
Sat, Aug 24, 1991
3632.40
-0.16
15,123,589
6320
14700
97.0
71.0
--
Fri, Aug 23, 1991
3632.56
-0.18
15,141,847
6609
14900
100.0
75.0
--
Thu, Aug 22, 1991
3632.74
-0.17
15,162,359
7048
15000
99.0
74.0
--
Wed, Aug 21, 1991
3632.91
-0.20
15,181,730
6996
15100
102.0
73.0
--
Tue, Aug 20, 1991
3633.11
-0.15
15,204,552
6701
14900
99.0
72.0
--
Mon, Aug 19, 1991
3633.26
-0.12
15,221,641
7042
14900
91.0
64.0
--
Sun, Aug 18, 1991
3633.38
-0.14
15,235,307
6921
12400
92.0
72.0
--
Sat, Aug 17, 1991
3633.52
-0.13
15,251,282
7041
14500
98.0
72.0
--
Fri, Aug 16, 1991
3633.65
-0.16
15,266,089
7481
14900
98.0
71.0
--
Thu, Aug 15, 1991
3633.81
-0.16
15,284,347
7799
14900
100.0
71.0
--
Wed, Aug 14, 1991
3633.97
-0.18
15,302,577
7887
14900
96.0
74.0
--
Tue, Aug 13, 1991
3634.15
-0.08
15,323,239
8030
14900
94.0
71.0
--
Mon, Aug 12, 1991
3634.23
-0.15
15,332,448
8426
14500
92.0
74.0
--
Sun, Aug 11, 1991
3634.38
-0.12
15,349,687
9107
13900
98.0
71.0
--
Sat, Aug 10, 1991
3634.50
-0.12
15,363,500
9260
13900
95.0
71.0
--
Fri, Aug 09, 1991
3634.62
-0.13
15,377,313
9183
14500
99.0
71.0
--
Thu, Aug 08, 1991
3634.75
-0.07
15,392,250
9546
14700
97.0
78.0
--
Wed, Aug 07, 1991
3634.82
-0.09
15,400,308
8865
14500
92.0
66.0
--
Tue, Aug 06, 1991
3634.91
-0.13
15,410,640
9151
14400
86.0
65.0
--
Mon, Aug 05, 1991
3635.04
-0.17
15,425,604
8568
14500
94.0
65.0
--
Averages of List
3633.76
-0.14
15,279,222
7819
14357
96
71.1
--


Averages for August 15th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3640.25
-0.14
16,634,230
9152
16281
95.4
70
79.5
All-Time
3631.11
-0.12
15,541,772
9346
15075
72.7
48.5
62.8


All Lake Powell water data for August 15th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri Aug 15, 2025
3551.83
7,221,169
5928
12416
91.9
63.0
--
Thu Aug 15, 2024
3582.34
9,482,467
9609
12484
91.7
76.0
--
Tue Aug 15, 2023
3577.10
9,064,493
7119
14196
91.6
66.4
80.0
Mon Aug 15, 2022
3533.89
6,070,775
11596
12484
88.0
69.0
79.0
Sun Aug 15, 2021
3551.22
7,672,853
5213
11725
102.0
77.0
83.0
Sat Aug 15, 2020
3603.15
12,053,159
2166
10849
104.0
76.0
81.0
Thu Aug 15, 2019
3620.91
13,859,881
9388
15989
104.0
73.0
81.0
Wed Aug 15, 2018
3600.45
11,793,053
3023
15752
94.0
74.0
79.0
Tue Aug 15, 2017
3633.17
15,210,897
9639
14820
86.0
72.0
80.0
Mon Aug 15, 2016
3616.32
13,376,985
9616
14935
98.0
71.0
80.0
Sat Aug 15, 2015
3611.39
12,870,724
8270
12358
99.0
73.9
79.0
Fri Aug 15, 2014
3607.23
12,453,500
11645
13488
93.0
70.0
78.0
Thu Aug 15, 2013
3591.80
10,984,241
5766
13459
96.1
70.0
77.0
Wed Aug 15, 2012
3625.99
14,408,626
3322
14285
98.1
73.0
80.0
Mon Aug 15, 2011
3658.86
18,343,788
14188
24699
97.0
71.1
79.0
Sun Aug 15, 2010
3636.06
15,542,638
8846
12328
100.0
70.0
80.0
Sat Aug 15, 2009
3639.48
15,941,759
8144
12774
91.9
71.1
77.0
Fri Aug 15, 2008
3631.77
15,052,012
11656
14792
99.0
72.0
80.0
Wed Aug 15, 2007
3605.85
12,317,118
6456
13171
95.0
69.1
82.0
Tue Aug 15, 2006
3605.19
12,252,227
7401
13716
91.0
73.0
80.0
Mon Aug 15, 2005
3605.22
12,255,174
9839
14201
84.0
66.9
79.0
Sun Aug 15, 2004
3576.17
9,614,976
4070
14003
86.0
64.9
79.0
Fri Aug 15, 2003
3607.50
12,480,302
3635
15619
88.0
64.9
79.0
Thu Aug 15, 2002
3631.00
14,965,132
4971
14820
102.0
71.1
80.0
Wed Aug 15, 2001
3668.02
19,566,124
11142
13927
91.0
68.0
78.0
Tue Aug 15, 2000
3681.13
21,423,104
5424
8008
99.0
70.0
--
Sun Aug 15, 1999
3693.75
23,332,248
20725
17225
97.0
69.0
--
Sat Aug 15, 1998
3693.37
23,273,020
11211
21100
102.0
73.0
--
Fri Aug 15, 1997
3692.54
23,143,984
17773
21200
98.0
67.0
78.5
Thu Aug 15, 1996
3684.32
21,894,324
6315
16400
104.0
75.0
79.0
Tue Aug 15, 1995
3692.88
23,196,750
14577
18600
99.0
66.0
--
Mon Aug 15, 1994
3659.31
18,402,436
5465
15300
100.0
73.0
--
Sun Aug 15, 1993
3665.85
19,270,986
10014
15900
95.0
69.0
--
Sat Aug 15, 1992
3628.15
14,646,714
6450
14600
104.0
72.0
--
Thu Aug 15, 1991
3633.81
15,284,347
7799
14900
100.0
71.0
--
Wed Aug 15, 1990
3644.10
16,492,162
3355
14800
83.0
63.0
--
Tue Aug 15, 1989
3671.69
20,072,902
6068
17200
98.0
69.0
--
Mon Aug 15, 1988
3689.43
22,665,350
5976
13900
97.0
71.0
--
Sat Aug 15, 1987
3694.24
23,408,678
9172
21500
92.0
65.0
--
Fri Aug 15, 1986
3697.72
23,957,476
13237
24400
96.0
69.0
--
Thu Aug 15, 1985
3694.38
23,430,642
11435
26800
94.0
68.0
--
Wed Aug 15, 1984
3700.89
24,498,542
20828
40500
93.0
70.0
--
Mon Aug 15, 1983
3706.41
25,434,998
28429
26500
98.0
80.0
--
Sun Aug 15, 1982
3686.86
22,370,548
11567
11400
93.0
67.0
--
Sat Aug 15, 1981
3675.54
20,739,320
6261
12200
89.0
64.0
--
Fri Aug 15, 1980
3693.04
23,381,970
6261
23200
95.0
62.0
--
Wed Aug 15, 1979
3682.80
21,857,922
10963
9020
77.0
64.0
--
Tue Aug 15, 1978
3649.58
17,354,370
5572
17200
92.0
64.0
--
Mon Aug 15, 1977
3645.62
16,889,290
5690
19100
93.0
72.0
--
Sun Aug 15, 1976
3669.63
20,059,284
7206
6660
96.0
65.0
--
Fri Aug 15, 1975
3673.48
20,631,074
12391
15600
93.0
69.0
--
Thu Aug 15, 1974
3660.04
18,815,768
7711
21400
96.0
67.0
--
Wed Aug 15, 1973
3644.73
16,885,736
14973
10300
98.0
74.0
--
Tue Aug 15, 1972
3612.31
13,236,964
5795
17900
93.0
63.0
--
Sun Aug 15, 1971
3618.91
13,956,846
7826
12400
98.0
76.0
--
Sat Aug 15, 1970
3599.67
12,003,649
8321
8530
93.0
74.0
--
Fri Aug 15, 1969
3578.45
10,068,557
9952
16200
99.0
73.0
--
Thu Aug 15, 1968
3549.53
7,768,253
18905
9840
85.0
60.0
--
Tue Aug 15, 1967
3532.40
6,585,165
15137
11000
99.0
72.0
--
Mon Aug 15, 1966
3537.14
6,914,969
4680
11400
100.0
68.0
--
Sun Aug 15, 1965
3533.64
6,689,011
12007
12200
92.0
68.0
--
Sat Aug 15, 1964
3489.80
4,115,803
15522
1020
95.0
70.0
--
Thu Aug 15, 1963
124,400
5157
1010
101.0
73.0
--



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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 2.845 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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1999 - 2025


powell Water Database