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

Water Data for 20 days surrounding Sep 15, 1991

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Wed, Sep 25, 1991
3629.24
-0.14
14,768,259
8491
15000
90.0
58.0
--
Tue, Sep 24, 1991
3629.38
-0.15
14,783,857
9104
14900
90.0
63.0
--
Mon, Sep 23, 1991
3629.53
-0.11
14,800,598
9308
14200
89.0
61.0
--
Sun, Sep 22, 1991
3629.64
-0.01
14,812,848
9563
9910
92.0
68.0
--
Sat, Sep 21, 1991
3629.65
-0.13
14,813,964
9929
13700
95.0
60.0
--
Fri, Sep 20, 1991
3629.78
-0.09
14,828,473
10350
14400
88.0
63.0
--
Thu, Sep 19, 1991
3629.87
-0.11
14,838,518
10316
14100
90.0
60.0
--
Wed, Sep 18, 1991
3629.98
-0.09
14,850,768
10538
14100
90.0
58.0
--
Tue, Sep 17, 1991
3630.07
-0.09
14,860,883
10926
14500
87.0
55.0
--
Mon, Sep 16, 1991
3630.16
-0.07
14,870,990
11591
14200
83.0
66.0
--
Sun, Sep 15, 1991
3630.23
0.01
14,878,873
12522
9240
89.0
62.0
--
Sat, Sep 14, 1991
3630.22
-0.04
14,877,747
13220
13300
89.0
61.0
--
Fri, Sep 13, 1991
3630.26
-0.05
14,882,251
13342
14300
85.0
59.0
--
Thu, Sep 12, 1991
3630.31
-0.07
14,887,882
11690
14200
93.0
60.0
--
Wed, Sep 11, 1991
3630.38
-0.07
14,895,737
13342
14000
86.0
61.0
--
Tue, Sep 10, 1991
3630.45
0.01
14,903,620
16267
14300
89.0
62.0
--
Mon, Sep 09, 1991
3630.44
-0.04
14,902,493
11214
14000
92.0
60.0
--
Sun, Sep 08, 1991
3630.48
-0.02
14,906,998
6992
9240
84.0
61.0
--
Sat, Sep 07, 1991
3630.50
-0.04
14,909,250
6183
13200
83.0
62.0
--
Fri, Sep 06, 1991
3630.54
-0.05
14,913,754
6061
14600
81.0
64.0
--
Thu, Sep 05, 1991
3630.59
-0.19
14,919,385
5967
14500
90.0
64.0
--
Averages of List
3630.08
-0.07
14,862,245
10329
13519
88.3
61.3
--


Averages for September 15th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.70
-0.06
16,214,890
9430
12457
87.1
60.2
76
All-Time
3627.55
-0.07
15,141,417
9397
11925
72.7
48.5
62.8


All Lake Powell water data for September 15th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon Sep 15, 2025
3546.25
6,850,238
9083
9685
86.4
52.2
--
Sun Sep 15, 2024
3579.38
9,244,781
4140
9164
85.6
67.7
--
Fri Sep 15, 2023
3573.64
8,795,357
8058
7053
81.5
56.8
78.0
Thu Sep 15, 2022
3529.58
5,812,206
7593
9444
83.0
61.0
79.0
Wed Sep 15, 2021
3547.75
7,425,208
3731
9361
95.0
70.0
79.0
Tue Sep 15, 2020
3597.83
11,544,229
5738
10108
93.0
63.0
73.0
Sun Sep 15, 2019
3616.93
13,440,517
7492
10595
89.0
66.0
76.0
Sat Sep 15, 2018
3594.76
11,256,919
3353
11198
96.0
63.0
75.0
Fri Sep 15, 2017
3629.54
14,801,386
14872
11486
82.0
54.0
78.0
Thu Sep 15, 2016
3611.86
12,918,436
4764
12223
82.0
54.0
74.0
Tue Sep 15, 2015
3607.64
12,494,215
10497
12382
82.9
61.0
77.0
Mon Sep 15, 2014
3605.87
12,319,078
10663
10388
93.9
69.1
76.0
Sun Sep 15, 2013
3590.88
10,900,357
23926
8842
81.0
63.0
77.0
Sat Sep 15, 2012
3622.58
14,038,550
3647
8008
88.0
63.0
76.0
Thu Sep 15, 2011
3654.06
17,726,384
13131
15512
72.0
57.2
74.0
Wed Sep 15, 2010
3633.96
15,301,077
7597
8102
89.1
63.0
74.0
Tue Sep 15, 2009
3636.38
15,579,682
7054
10044
82.9
62.1
76.0
Mon Sep 15, 2008
3628.22
14,654,453
9729
12109
87.1
59.0
76.0
Sat Sep 15, 2007
3602.01
11,942,869
5782
9513
91.0
72.0
78.0
Fri Sep 15, 2006
3602.04
11,945,765
7445
9115
79.0
60.1
76.0
Thu Sep 15, 2005
3602.33
11,973,765
9079
8191
84.9
53.1
75.0
Wed Sep 15, 2004
3570.91
9,180,823
5656
8125
82.9
59.0
74.0
Mon Sep 15, 2003
3604.58
12,192,483
9762
8289
90.0
57.0
76.0
Sun Sep 15, 2002
3627.52
14,576,965
11404
7297
84.0
61.0
75.0
Sat Sep 15, 2001
3665.41
19,211,538
5840
7768
90.0
64.0
--
Fri Sep 15, 2000
3678.58
21,051,992
6829
8031
98.0
67.0
--
Wed Sep 15, 1999
3693.00
23,215,420
14419
19441
88.0
55.0
--
Tue Sep 15, 1998
3689.52
22,678,916
11690
18200
87.0
61.0
--
Mon Sep 15, 1997
3690.10
22,767,708
13131
20600
89.0
63.0
--
Sun Sep 15, 1996
3680.55
21,338,284
8698
11000
72.0
54.0
--
Fri Sep 15, 1995
3689.44
22,666,678
10870
18000
91.0
60.0
--
Thu Sep 15, 1994
3655.46
17,904,928
6037
11000
89.0
57.0
--
Wed Sep 15, 1993
3663.45
18,948,580
9718
11700
85.0
52.0
--
Tue Sep 15, 1992
3624.45
14,241,045
6024
11900
88.0
61.0
--
Sun Sep 15, 1991
3630.23
14,878,873
12522
9240
89.0
62.0
--
Sat Sep 15, 1990
3639.12
15,899,614
4861
4800
101.0
69.0
--
Fri Sep 15, 1989
3667.50
19,495,000
4793
14900
83.0
51.0
--
Thu Sep 15, 1988
3686.91
22,282,486
8599
12200
82.0
45.0
--
Tue Sep 15, 1987
3689.66
22,700,306
7779
19400
85.0
52.0
--
Mon Sep 15, 1986
3692.03
23,064,654
16610
27000
87.0
56.0
--
Sun Sep 15, 1985
3687.41
22,357,896
13242
22000
96.0
67.0
--
Sat Sep 15, 1984
3698.42
24,101,494
15037
24000
90.0
70.0
--
Thu Sep 15, 1983
3701.68
24,658,910
14195
26400
95.0
65.0
--
Wed Sep 15, 1982
3686.65
22,338,958
17885
10200
85.0
56.0
--
Tue Sep 15, 1981
3672.91
20,366,740
8499
11000
86.0
62.0
--
Mon Sep 15, 1980
3689.26
22,799,170
12311
18000
90.0
55.0
--
Sat Sep 15, 1979
3679.22
21,332,450
7059
6750
78.0
61.0
--
Fri Sep 15, 1978
3642.20
16,446,194
7462
14900
81.0
57.0
--
Thu Sep 15, 1977
3639.42
16,139,401
6922
17100
89.0
57.0
--
Wed Sep 15, 1976
3665.68
19,515,464
8149
16700
88.0
64.0
--
Mon Sep 15, 1975
3670.03
20,145,074
11657
11200
86.0
63.0
--
Sun Sep 15, 1974
3653.70
17,987,446
6527
6620
75.0
57.0
--
Sat Sep 15, 1973
3646.00
17,042,428
14793
5970
90.0
65.0
--
Fri Sep 15, 1972
3606.14
12,605,490
8211
20300
90.0
62.0
--
Wed Sep 15, 1971
3615.75
13,619,542
10494
17400
96.0
67.0
--
Tue Sep 15, 1970
3599.23
11,960,912
18417
10400
82.0
53.0
--
Mon Sep 15, 1969
3574.14
9,698,793
12078
11200
84.0
61.0
--
Sun Sep 15, 1968
3546.57
7,552,549
7776
7490
91.0
62.0
--
Fri Sep 15, 1967
3529.30
6,381,582
10582
8740
84.0
59.0
--
Thu Sep 15, 1966
3532.44
6,598,545
6136
8310
85.0
56.0
--
Wed Sep 15, 1965
3529.50
6,415,560
12189
11600
92.0
63.0
--
Tue Sep 15, 1964
3490.24
4,138,480
4135
2560
78.0
57.0
--
Sun Sep 15, 1963
444,400
5629
1030
87.0
58.0
--



Search DB for more Lake Powell Water Data Facts



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 2.834 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