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 Sep 22, 1999

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat, Oct 02, 1999
3691.44
-0.08
22,973,774
12366
16964
91.0
52.0
--
Fri, Oct 01, 1999
3691.52
-0.07
22,986,134
12778
17940
87.0
45.0
70.5
Thu, Sep 30, 1999
3691.59
-0.12
22,996,952
13894
19465
77.0
45.0
--
Wed, Sep 29, 1999
3691.71
-0.12
23,015,468
13948
19502
70.0
40.0
--
Tue, Sep 28, 1999
3691.83
-0.16
23,034,032
14123
19490
84.0
50.0
--
Mon, Sep 27, 1999
3691.99
-0.10
23,058,764
12535
19475
94.0
60.0
--
Sun, Sep 26, 1999
3692.09
-0.01
23,074,256
14986
15091
94.0
64.0
--
Sat, Sep 25, 1999
3692.10
-0.08
23,075,806
15344
18244
81.0
60.0
--
Fri, Sep 24, 1999
3692.18
-0.07
23,088,166
15575
19524
81.0
56.0
72.0
Thu, Sep 23, 1999
3692.25
-0.10
23,099,020
15867
19518
81.0
56.0
--
Wed, Sep 22, 1999
3692.35
-0.10
23,114,530
15628
20574
87.0
59.0
--
Tue, Sep 21, 1999
3692.45
-0.18
23,130,010
15270
24784
87.0
56.0
--
Mon, Sep 20, 1999
3692.63
-0.14
23,157,924
15292
23016
88.0
58.0
--
Sun, Sep 19, 1999
3692.77
0.08
23,179,682
15529
16831
87.0
56.0
--
Sat, Sep 18, 1999
3692.69
-0.16
23,167,248
15558
18141
82.0
57.0
--
Fri, Sep 17, 1999
3692.85
-0.06
23,192,122
15065
19427
84.0
52.0
--
Thu, Sep 16, 1999
3692.91
-0.09
23,201,416
16135
19430
82.0
47.0
74.5
Wed, Sep 15, 1999
3693.00
-0.08
23,215,420
14419
19441
88.0
55.0
--
Tue, Sep 14, 1999
3693.08
-0.04
23,227,874
17797
19555
88.0
62.0
--
Mon, Sep 13, 1999
3693.12
-0.08
23,234,102
14716
19721
86.0
62.0
--
Sun, Sep 12, 1999
3693.20
0.01
23,246,526
18836
16517
94.0
57.0
--
Averages of List
3692.37
-0.08
23,117,582
15031
19174
85.4
54.7
72.3


Averages for September 22nd

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.11
-0.07
16,142,811
8812
12711
84
58.5
73.7
All-Time
3626.97
-0.08
15,073,857
8907
12356
72
48.2
62.7


All Lake Powell water data for September 22nd

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon Sep 22, 2025
3545.56
6,805,206
6130
9568
79.9
59.4
--
Sun Sep 22, 2024
3578.66
9,187,590
5875
9152
76.7
51.4
--
Fri Sep 22, 2023
3573.58
8,790,737
7208
6623
77.8
47.3
76.0
Thu Sep 22, 2022
3529.24
5,792,105
7567
9093
84.0
64.0
76.0
Wed Sep 22, 2021
3546.60
7,344,301
5155
10365
86.0
56.0
75.0
Tue Sep 22, 2020
3597.04
11,469,859
5949
10301
79.0
69.0
72.0
Sun Sep 22, 2019
3616.23
13,367,628
8775
10169
82.0
53.0
72.0
Sat Sep 22, 2018
3593.62
11,151,397
3932
11228
93.0
61.0
75.0
Fri Sep 22, 2017
3628.87
14,726,674
4995
11928
79.0
57.0
74.0
Thu Sep 22, 2016
3610.92
12,823,128
2034
12214
75.0
52.0
73.0
Tue Sep 22, 2015
3606.86
12,416,832
6732
12386
81.0
68.0
78.0
Mon Sep 22, 2014
3605.58
12,290,540
6916
10389
86.0
64.9
77.0
Sun Sep 22, 2013
3591.20
10,929,487
9546
8811
78.1
59.0
67.0
Sat Sep 22, 2012
3622.12
13,989,167
4894
8076
91.0
63.0
74.0
Thu Sep 22, 2011
3653.74
17,685,752
14150
15479
90.0
64.0
74.0
Wed Sep 22, 2010
3633.76
15,278,211
6762
8133
87.1
68.0
73.0
Tue Sep 22, 2009
3635.89
15,522,983
8458
10037
73.9
53.1
75.0
Mon Sep 22, 2008
3627.68
14,594,649
8945
12183
84.9
64.0
75.0
Sat Sep 22, 2007
3601.62
11,905,305
8730
9443
82.9
60.1
74.0
Fri Sep 22, 2006
3601.83
11,925,523
8906
8955
69.1
53.1
70.0
Thu Sep 22, 2005
3602.03
11,944,799
7063
8028
84.0
63.0
73.0
Wed Sep 22, 2004
3570.65
9,159,710
10813
8143
66.9
46.9
73.0
Mon Sep 22, 2003
3604.23
12,158,276
6775
8248
87.1
55.9
71.0
Sun Sep 22, 2002
3627.19
14,540,528
6995
7299
89.1
60.1
75.0
Sat Sep 22, 2001
3665.18
19,180,536
6627
7722
91.0
62.1
--
Fri Sep 22, 2000
3678.15
20,989,856
6027
7651
92.0
60.0
--
Wed Sep 22, 1999
3692.35
23,114,530
15628
20574
87.0
59.0
--
Tue Sep 22, 1998
3688.71
22,555,344
10447
18200
87.0
55.0
--
Mon Sep 22, 1997
3689.86
22,730,942
17962
18900
83.0
59.0
--
Sun Sep 22, 1996
3680.07
21,268,264
10726
12400
88.0
60.0
--
Fri Sep 22, 1995
3688.36
22,502,130
9906
18500
93.0
49.0
--
Thu Sep 22, 1994
3655.00
17,846,128
6737
10900
85.0
59.0
--
Wed Sep 22, 1993
3663.02
18,891,276
9397
11900
89.0
58.0
--
Tue Sep 22, 1992
3623.90
14,181,189
8488
12200
86.0
59.0
--
Sun Sep 22, 1991
3629.64
14,812,848
9563
9910
92.0
68.0
--
Sat Sep 22, 1990
3638.23
15,795,023
7435
14400
80.0
57.0
--
Fri Sep 22, 1989
3666.30
19,331,806
4797
14600
82.0
53.0
--
Thu Sep 22, 1988
3686.41
22,207,486
7635
12800
79.0
60.0
--
Tue Sep 22, 1987
3688.68
22,551,030
8444
12600
87.0
55.0
--
Mon Sep 22, 1986
3690.58
22,841,332
13397
27000
79.0
60.0
--
Sun Sep 22, 1985
3686.70
22,250,992
18361
22300
83.0
51.0
--
Sat Sep 22, 1984
3697.32
23,926,176
15325
23400
88.0
59.0
--
Thu Sep 22, 1983
3700.20
24,419,154
11786
27400
87.0
49.0
--
Wed Sep 22, 1982
3687.01
22,393,084
16943
15200
89.0
68.0
--
Tue Sep 22, 1981
3672.35
20,287,592
7757
14000
89.0
67.0
--
Mon Sep 22, 1980
3688.56
22,692,212
8676
15900
85.0
50.0
--
Sat Sep 22, 1979
3678.72
21,259,664
7475
12000
88.0
61.0
--
Fri Sep 22, 1978
3641.27
16,334,645
6288
13000
80.0
53.0
--
Thu Sep 22, 1977
3638.38
16,015,809
6378
15100
89.0
61.0
--
Wed Sep 22, 1976
3664.77
19,392,008
6940
16700
84.0
53.0
--
Mon Sep 22, 1975
3669.13
20,020,180
9463
20900
79.0
49.0
--
Sun Sep 22, 1974
3652.99
17,896,340
8387
11500
83.0
64.0
--
Sat Sep 22, 1973
3646.14
17,059,846
10948
8310
90.0
58.0
--
Fri Sep 22, 1972
3604.68
12,459,142
10524
15700
82.0
52.0
--
Wed Sep 22, 1971
3615.08
13,548,641
9745
11100
74.0
57.0
--
Tue Sep 22, 1970
3599.60
11,996,867
13408
12700
76.0
50.0
--
Mon Sep 22, 1969
3573.73
9,664,193
13984
11200
81.0
58.0
--
Sun Sep 22, 1968
3545.89
7,503,802
8266
5430
75.0
53.0
--
Fri Sep 22, 1967
3528.67
6,340,592
8228
11200
92.0
71.0
--
Thu Sep 22, 1966
3531.13
6,511,522
6554
13700
93.0
65.0
--
Wed Sep 22, 1965
3529.36
6,406,350
16178
11500
78.0
50.0
--
Tue Sep 22, 1964
3491.09
4,182,685
6495
2640
77.0
50.0
--
Sun Sep 22, 1963
491,400
6527
1010
87.0
59.0
--



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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 2.69 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