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 18, 2009

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon, Sep 28, 2009
3635.53
-0.07
15,481,420
8609
10045
91.9
57.9
74.0
Sun, Sep 27, 2009
3635.60
-0.03
15,489,496
8686
9997
91.9
59.0
74.0
Sat, Sep 26, 2009
3635.63
-0.06
15,492,958
8581
10047
90.0
60.1
74.0
Fri, Sep 25, 2009
3635.69
-0.05
15,499,883
8489
10029
88.0
57.0
75.0
Thu, Sep 24, 2009
3635.74
-0.06
15,505,656
8576
10026
81.0
57.0
75.0
Wed, Sep 23, 2009
3635.80
-0.09
15,512,585
8307
10020
79.0
53.1
75.0
Tue, Sep 22, 2009
3635.89
-0.05
15,522,983
8458
10037
73.9
53.1
75.0
Mon, Sep 21, 2009
3635.94
-0.06
15,528,762
8593
10058
82.9
62.1
76.0
Sun, Sep 20, 2009
3636.00
-0.07
15,535,699
8541
10034
91.0
64.0
76.0
Sat, Sep 19, 2009
3636.07
-0.08
15,543,795
8384
9737
87.1
61.0
76.0
Fri, Sep 18, 2009
3636.15
-0.08
15,553,050
8085
10135
82.0
60.1
76.0
Thu, Sep 17, 2009
3636.23
-0.05
15,562,310
7624
10123
82.0
59.0
76.0
Wed, Sep 16, 2009
3636.28
-0.10
15,568,099
7275
10113
81.0
62.1
76.0
Tue, Sep 15, 2009
3636.38
-0.05
15,579,682
7054
10044
82.9
62.1
76.0
Mon, Sep 14, 2009
3636.43
-0.05
15,585,476
7135
10080
88.0
66.0
77.0
Sun, Sep 13, 2009
3636.48
-0.09
15,591,271
7260
10035
88.0
66.9
78.0
Sat, Sep 12, 2009
3636.57
-0.08
15,601,706
7338
10030
93.0
66.9
79.0
Fri, Sep 11, 2009
3636.65
-0.08
15,610,986
7364
10033
91.0
64.0
78.0
Thu, Sep 10, 2009
3636.73
-0.04
15,620,270
7374
10031
88.0
71.1
78.0
Wed, Sep 09, 2009
3636.77
-0.10
15,624,913
7348
10026
91.9
66.0
78.0
Tue, Sep 08, 2009
3636.87
-0.09
15,636,526
7193
10089
91.0
66.9
78.0
Averages of List
3636.16
-0.07
15,554,644
7918
10037
86.5
61.7
76.2


Averages for September 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.44
-0.08
16,183,559
8829
12871
86.5
59.5
75.4
All-Time
3627.29
-0.08
15,112,306
8858
12249
72.3
48.3
62.9


All Lake Powell water data for September 18th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu Sep 18, 2025
3546.01
6,834,554
5114
9628
81.7
51.8
--
Wed Sep 18, 2024
3578.98
9,212,978
4272
9718
78.6
43.1
--
Mon Sep 18, 2023
3573.62
8,793,817
6824
7077
88.7
59.2
78.0
Sun Sep 18, 2022
3529.45
5,804,515
8574
9457
90.0
62.0
78.0
Sat Sep 18, 2021
3547.20
7,386,441
3252
11165
86.0
63.0
77.0
Fri Sep 18, 2020
3597.48
11,511,243
4645
10546
92.0
63.0
73.0
Wed Sep 18, 2019
3616.59
13,405,082
8256
11921
89.0
60.0
75.0
Tue Sep 18, 2018
3594.29
11,213,338
3809
11635
96.0
68.0
75.0
Mon Sep 18, 2017
3629.26
14,770,130
6026
11758
87.0
59.0
77.0
Sun Sep 18, 2016
3611.48
12,879,851
4918
10705
90.0
59.0
74.0
Fri Sep 18, 2015
3607.25
12,455,484
7746
12329
82.0
61.0
76.0
Thu Sep 18, 2014
3605.77
12,309,232
9105
10438
90.0
66.9
77.0
Wed Sep 18, 2013
3591.18
10,927,665
13760
10545
90.0
71.1
77.0
Tue Sep 18, 2012
3622.40
14,019,211
4855
8041
89.1
61.0
76.0
Sun Sep 18, 2011
3653.95
17,712,410
15236
15600
84.9
63.0
75.0
Sat Sep 18, 2010
3633.85
15,288,498
6993
8082
93.0
62.1
73.0
Fri Sep 18, 2009
3636.15
15,553,050
8085
10135
82.0
60.1
76.0
Thu Sep 18, 2008
3627.98
14,627,852
9726
12177
84.9
60.1
76.0
Tue Sep 18, 2007
3601.75
11,917,809
5782
10412
n/a
n/a
76.0
Mon Sep 18, 2006
3601.92
11,934,182
10079
9136
72.0
46.9
73.0
Sun Sep 18, 2005
3602.20
11,961,197
7865
8196
84.0
59.0
74.0
Sat Sep 18, 2004
3570.57
9,153,234
5207
7881
89.1
66.0
74.0
Thu Sep 18, 2003
3604.45
12,179,761
7765
8208
71.1
51.1
74.0
Wed Sep 18, 2002
3627.35
14,558,200
7255
8300
75.9
62.1
74.0
Tue Sep 18, 2001
3665.35
19,203,472
6335
7795
86.0
61.0
75.0
Mon Sep 18, 2000
3678.38
21,023,058
6066
10208
97.0
60.0
--
Sat Sep 18, 1999
3692.69
23,167,248
15558
18141
82.0
57.0
--
Fri Sep 18, 1998
3689.20
22,630,030
11420
18200
95.0
64.0
77.0
Thu Sep 18, 1997
3689.92
22,740,102
15679
19500
85.0
63.0
--
Wed Sep 18, 1996
3680.36
21,310,554
10704
14600
72.0
50.0
--
Mon Sep 18, 1995
3689.02
22,602,584
9142
18200
93.0
62.0
--
Sun Sep 18, 1994
3655.32
17,887,030
7989
8700
88.0
66.0
--
Sat Sep 18, 1993
3663.27
18,924,580
10061
10400
77.0
53.0
--
Fri Sep 18, 1992
3624.10
14,202,911
6519
12000
88.0
63.0
--
Wed Sep 18, 1991
3629.98
14,850,768
10538
14100
90.0
58.0
--
Tue Sep 18, 1990
3638.73
15,853,773
4605
14400
88.0
58.0
--
Mon Sep 18, 1989
3666.98
19,424,278
5196
15000
90.0
61.0
--
Sun Sep 18, 1988
3686.83
22,270,512
8688
8010
90.0
44.0
--
Fri Sep 18, 1987
3689.22
22,633,436
8895
18600
90.0
58.0
--
Thu Sep 18, 1986
3691.41
22,969,126
14461
27700
82.0
56.0
--
Wed Sep 18, 1985
3686.98
22,292,998
14516
21800
87.0
61.0
--
Tue Sep 18, 1984
3697.95
24,026,328
14893
24000
89.0
65.0
--
Sun Sep 18, 1983
3701.10
24,564,978
12947
26500
n/a
n/a
--
Sat Sep 18, 1982
3686.88
22,373,520
17486
8640
85.0
60.0
--
Fri Sep 18, 1981
3672.58
20,320,108
8754
15900
88.0
65.0
--
Thu Sep 18, 1980
3689.02
22,762,576
10538
16600
95.0
56.0
--
Tue Sep 18, 1979
3679.08
21,312,086
7648
9890
86.0
52.0
--
Mon Sep 18, 1978
3641.87
16,406,457
6428
11700
76.0
52.0
--
Sun Sep 18, 1977
3639.10
16,101,395
5993
9080
82.0
54.0
--
Sat Sep 18, 1976
3665.28
19,461,250
8111
13000
89.0
51.0
--
Thu Sep 18, 1975
3669.78
20,110,350
10959
16100
92.0
55.0
--
Wed Sep 18, 1974
3653.34
17,941,264
8488
12500
80.0
57.0
--
Tue Sep 18, 1973
3646.14
17,059,846
12920
6390
88.0
59.0
--
Mon Sep 18, 1972
3605.40
12,531,085
6455
19100
78.0
62.0
--
Sat Sep 18, 1971
3615.30
13,571,922
9761
10200
70.0
50.0
--
Fri Sep 18, 1970
3599.56
11,992,977
18450
11600
87.0
55.0
--
Thu Sep 18, 1969
3573.87
9,676,005
11114
14800
85.0
61.0
--
Wed Sep 18, 1968
3546.11
7,519,563
8075
10600
88.0
54.0
--
Mon Sep 18, 1967
3529.22
6,376,337
9186
9580
90.0
65.0
--
Sun Sep 18, 1966
3531.97
6,567,568
6633
9140
91.0
61.0
--
Sat Sep 18, 1965
3529.31
6,403,055
8798
12400
67.0
48.0
--
Fri Sep 18, 1964
3490.25
4,139,000
7424
2540
86.0
67.0
--
Wed Sep 18, 1963
461,400
5467
1010
85.0
65.0
--



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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 2.386 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