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 21, 2003

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Wed, Oct 01, 2003
3603.72
-0.01
12,108,559
5458
8191
89.1
63.0
72.0
Tue, Sep 30, 2003
3603.73
-0.04
12,109,533
5672
8097
90.0
64.0
74.0
Mon, Sep 29, 2003
3603.77
-0.09
12,113,432
5638
7651
91.0
63.0
74.0
Sun, Sep 28, 2003
3603.86
-0.06
12,122,206
5603
7017
93.9
61.0
73.0
Sat, Sep 27, 2003
3603.92
-0.07
12,128,034
5759
7737
91.0
61.0
72.0
Fri, Sep 26, 2003
3603.99
-0.06
12,134,864
6041
7716
90.0
57.0
73.0
Thu, Sep 25, 2003
3604.05
-0.08
12,140,720
6336
8110
89.1
60.1
73.0
Wed, Sep 24, 2003
3604.13
-0.04
12,148,507
6599
8244
87.1
63.0
72.0
Tue, Sep 23, 2003
3604.17
-0.06
12,152,414
6757
7677
91.0
57.0
72.0
Mon, Sep 22, 2003
3604.23
-0.07
12,158,276
6775
8248
87.1
55.9
71.0
Sun, Sep 21, 2003
3604.30
-0.05
12,165,117
6783
7058
84.9
57.0
73.0
Sat, Sep 20, 2003
3604.35
-0.05
12,170,005
7070
8240
87.1
57.0
73.0
Fri, Sep 19, 2003
3604.40
-0.05
12,174,871
7642
8255
80.1
50.0
74.0
Thu, Sep 18, 2003
3604.45
-0.08
12,179,761
7765
8208
71.1
51.1
74.0
Wed, Sep 17, 2003
3604.53
0.00
12,187,589
7859
8230
88.0
64.0
75.0
Tue, Sep 16, 2003
3604.53
-0.05
12,187,589
8180
8220
91.9
71.1
76.0
Mon, Sep 15, 2003
3604.58
-0.02
12,192,483
9762
8289
90.0
57.0
76.0
Sun, Sep 14, 2003
3604.60
0.04
12,194,441
12307
7016
81.0
55.0
76.0
Sat, Sep 13, 2003
3604.56
0.15
12,190,526
19890
8200
82.9
63.0
77.0
Fri, Sep 12, 2003
3604.41
0.19
12,175,849
24629
8197
88.0
57.0
76.0
Thu, Sep 11, 2003
3604.22
0.30
12,157,299
27813
8205
78.1
55.0
77.0
Averages of List
3604.21
-0.01
12,156,765
9540
7943
86.8
59.2
74


Averages for September 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.20
-0.08
16,152,810
8939
12900
84.5
58.5
74.2
All-Time
3627.05
-0.07
15,083,467
8874
12443
72.3
48.3
62.7


All Lake Powell water data for September 21st

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun Sep 21, 2025
3545.67
6,812,373
4936
9442
83.3
55.0
--
Sat Sep 21, 2024
3578.75
9,194,725
8198
9317
74.0
47.7
--
Thu Sep 21, 2023
3573.58
8,790,737
6772
6606
81.3
50.4
77.0
Wed Sep 21, 2022
3529.30
5,795,649
7958
9163
75.0
65.0
77.0
Tue Sep 21, 2021
3546.75
7,354,821
4281
10643
79.0
56.0
75.0
Mon Sep 21, 2020
3597.14
11,479,256
4423
10315
90.0
66.0
72.0
Sat Sep 21, 2019
3616.27
13,371,787
6589
11381
78.0
53.0
73.0
Fri Sep 21, 2018
3593.78
11,166,169
3347
11656
90.0
58.0
75.0
Thu Sep 21, 2017
3629.00
14,741,149
7669
11572
82.0
64.0
74.0
Wed Sep 21, 2016
3611.12
12,843,368
5171
12050
73.0
60.0
73.0
Mon Sep 21, 2015
3606.98
12,428,717
7222
12339
86.0
63.0
78.0
Sun Sep 21, 2014
3605.66
12,298,408
13703
9144
82.9
66.0
77.0
Sat Sep 21, 2013
3591.20
10,929,487
10084
9349
89.1
63.0
67.0
Fri Sep 21, 2012
3622.19
13,996,673
4345
8113
90.0
63.0
74.0
Wed Sep 21, 2011
3653.82
17,695,904
14328
15349
89.6
63.0
74.0
Tue Sep 21, 2010
3633.71
15,272,498
6751
8118
91.9
62.1
73.0
Mon Sep 21, 2009
3635.94
15,528,762
8593
10058
82.9
62.1
76.0
Sun Sep 21, 2008
3627.71
14,597,967
9040
12158
86.0
62.1
75.0
Fri Sep 21, 2007
3601.61
11,904,342
9495
10259
86.0
60.1
74.0
Thu Sep 21, 2006
3601.84
11,926,488
8731
8937
73.0
51.1
71.0
Wed Sep 21, 2005
3602.07
11,948,662
7279
8005
84.0
64.0
73.0
Tue Sep 21, 2004
3570.68
9,162,147
7664
8137
66.9
51.1
73.0
Sun Sep 21, 2003
3604.30
12,165,117
6783
7058
84.9
57.0
73.0
Sat Sep 21, 2002
3627.25
14,547,153
7801
7832
89.1
57.9
--
Fri Sep 21, 2001
3665.19
19,181,886
6569
7848
90.0
63.0
76.0
Thu Sep 21, 2000
3678.22
20,999,968
5991
7953
95.0
64.0
76.5
Tue Sep 21, 1999
3692.45
23,130,010
15270
24784
87.0
56.0
--
Mon Sep 21, 1998
3688.86
22,578,210
10716
18000
90.0
57.0
--
Sun Sep 21, 1997
3689.72
22,709,494
14394
17300
90.0
60.0
--
Sat Sep 21, 1996
3680.15
21,279,898
10505
12900
80.0
52.0
--
Thu Sep 21, 1995
3688.52
22,526,442
9951
18900
94.0
63.0
--
Wed Sep 21, 1994
3655.05
17,852,520
6826
11300
83.0
55.0
--
Tue Sep 21, 1993
3663.11
18,903,272
9463
11500
85.0
59.0
--
Mon Sep 21, 1992
3624.00
14,192,000
9962
11500
85.0
63.0
--
Sat Sep 21, 1991
3629.65
14,813,964
9929
13700
95.0
60.0
--
Fri Sep 21, 1990
3638.39
15,813,812
8366
14400
77.0
58.0
--
Thu Sep 21, 1989
3666.48
19,356,278
4806
14800
87.0
54.0
--
Wed Sep 21, 1988
3686.47
22,216,496
7657
13000
82.0
47.0
--
Mon Sep 21, 1987
3688.76
22,563,282
8406
20900
88.0
58.0
--
Sun Sep 21, 1986
3690.73
22,864,416
13441
27400
80.0
58.0
--
Sat Sep 21, 1985
3686.79
22,264,506
17275
21400
73.0
51.0
--
Fri Sep 21, 1984
3697.53
23,959,560
15669
23400
91.0
64.0
--
Wed Sep 21, 1983
3700.41
24,453,168
12016
27300
89.0
49.0
--
Tue Sep 21, 1982
3687.02
22,394,596
16444
11200
84.0
62.0
--
Mon Sep 21, 1981
3672.44
20,300,294
7469
12600
88.0
65.0
--
Sun Sep 21, 1980
3688.76
22,722,806
8909
14300
86.0
51.0
--
Fri Sep 21, 1979
3678.84
21,277,150
7380
9700
85.0
57.0
--
Thu Sep 21, 1978
3641.38
16,347,793
6056
14100
72.0
43.0
--
Wed Sep 21, 1977
3638.61
16,043,168
6337
14900
87.0
56.0
--
Tue Sep 21, 1976
3664.96
19,417,840
7453
17100
84.0
64.0
--
Sun Sep 21, 1975
3669.32
20,046,558
9341
16400
86.0
61.0
--
Sat Sep 21, 1974
3653.02
17,900,188
8654
16500
86.0
61.0
--
Fri Sep 21, 1973
3646.17
17,063,584
11070
8460
85.0
62.0
--
Thu Sep 21, 1972
3604.82
12,473,049
6392
15400
80.0
51.0
--
Tue Sep 21, 1971
3615.18
13,559,210
9590
11700
81.0
56.0
--
Mon Sep 21, 1970
3599.50
11,987,143
13796
12200
84.0
66.0
--
Sun Sep 21, 1969
3573.78
9,668,412
10627
7630
87.0
62.0
--
Sat Sep 21, 1968
3545.86
7,501,674
9002
7910
76.0
51.0
--
Thu Sep 21, 1967
3528.83
6,350,945
8080
10300
87.0
56.0
--
Wed Sep 21, 1966
3531.38
6,528,201
6756
13400
92.0
65.0
--
Tue Sep 21, 1965
3529.27
6,400,420
16234
11800
69.0
48.0
--
Mon Sep 21, 1964
3490.99
4,177,480
6461
2010
80.0
54.0
--
Sat Sep 21, 1963
486,400
4658
1010
83.0
61.0
--



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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 2.425 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