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

Days where outflow from Lake Powell was 18300 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Sep 11, 1998
3689.69
22,704,900
9112
18300
73.0
63.0
77.0
Thu, Sep 10, 1998
3689.73
22,711,024
9366
18300
90.0
63.0
--
Tue, Sep 08, 1998
3690.02
22,755,436
9665
18300
87.0
66.0
--
Fri, Jul 03, 1998
3696.60
23,780,090
32013
18300
105.0
68.0
76.0
Sat, Feb 07, 1998
3678.19
20,995,634
11238
18300
n/a
n/a
--
Sun, Oct 26, 1997
3689.15
22,622,394
15863
18300
58.0
34.0
--
Sun, Sep 28, 1997
3690.32
22,801,446
25841
18300
83.0
58.0
--
Fri, Jan 31, 1997
3671.10
19,991,016
10921
18300
53.0
30.0
--
Wed, Jan 22, 1997
3672.04
20,122,072
9027
18300
48.0
28.0
--
Fri, Jan 17, 1997
3672.89
20,241,130
8184
18300
42.0
29.0
--
Wed, Jan 15, 1997
3673.17
20,280,476
9053
18300
38.0
19.0
--
Tue, Jun 25, 1996
3686.67
22,246,346
42097
18300
97.0
62.0
--
Thu, Jun 20, 1996
3685.43
22,060,066
38863
18300
100.0
64.0
--
Thu, Jun 06, 1996
3682.01
21,552,336
33185
18300
103.0
70.0
--
Wed, Jun 05, 1996
3681.81
21,522,926
32932
18300
104.0
61.0
--
Tue, Jun 04, 1996
3681.63
21,496,448
33606
18300
96.0
61.0
--
Wed, May 01, 1996
3672.57
20,196,262
21213
18300
87.0
57.0
--
Sat, Apr 20, 1996
3672.48
20,183,638
19449
18300
63.0
45.0
--
Tue, Sep 12, 1995
3689.80
22,721,748
11934
18300
94.0
60.0
--
Thu, Sep 07, 1995
3690.50
22,829,070
9618
18300
87.0
63.0
--
Tue, Sep 05, 1995
3690.87
22,885,970
10183
18300
103.0
72.0
--
Sun, Aug 20, 1995
3692.42
23,125,354
12534
18300
88.0
65.0
--
Wed, Jul 26, 1995
3693.10
23,230,988
42584
18300
99.0
69.0
--
Thu, Jul 11, 1991
3637.62
15,723,934
11070
18300
94.0
69.0
--
Wed, Jul 10, 1991
3637.78
15,742,483
10570
18300
89.0
69.0
--
Tue, Jul 09, 1991
3637.95
15,762,194
10979
18300
94.0
71.0
--
Mon, Jul 08, 1991
3638.09
15,778,585
11314
18300
102.0
72.0
--
Sun, Jul 07, 1991
3638.29
15,802,080
12008
18300
100.0
76.0
--
Sat, Jul 06, 1991
3638.44
15,819,693
13010
18300
102.0
72.0
--
Fri, Jul 05, 1991
3638.55
15,832,631
14127
18300
103.0
72.0
--
Thu, Jul 04, 1991
3638.70
15,850,244
15666
18300
100.0
70.0
--
Wed, Jul 03, 1991
3638.82
15,864,358
16636
18300
99.0
76.0
--
Thu, Jul 16, 1987
3697.78
23,967,024
16047
18300
100.0
71.0
--
Sat, Apr 25, 1987
3683.12
21,715,898
28726
18300
84.0
54.0
--
Thu, Mar 05, 1987
3677.47
20,891,676
13353
18300
64.0
36.0
--
Mon, Aug 04, 1986
3699.20
24,193,992
17774
18300
104.0
69.0
--
Wed, Apr 03, 1985
3676.67
20,776,798
20048
18300
81.0
44.0
--
Thu, Nov 04, 1982
3687.45
22,459,578
16901
18300
58.0
34.0
--
Thu, Oct 28, 1982
3687.77
22,507,954
16144
18300
54.0
34.0
--
Fri, Nov 21, 1980
3683.38
21,912,550
10034
18300
n/a
n/a
--
Tue, Dec 11, 1979
3672.73
20,402,488
10110
18300
47.0
36.0
--
Tue, Jan 09, 1979
3631.36
15,151,372
8267
18300
34.0
28.0
--
Thu, Jan 04, 1979
3632.11
15,236,647
7136
18300
33.0
22.0
--
Wed, Dec 27, 1978
3633.21
15,387,549
8465
18300
35.0
28.0
--
Mon, Sep 04, 1978
3644.84
16,767,104
4820
18300
97.0
74.0
--
Thu, Dec 22, 1977
3631.66
15,233,953
5276
18300
44.0
28.0
--
Thu, Sep 01, 1977
3642.28
16,481,924
5965
18300
94.0
66.0
--
Fri, Aug 12, 1977
3646.32
16,975,588
4669
18300
93.0
68.0
--
Thu, Jan 27, 1977
3652.19
17,711,160
9769
18300
54.0
28.0
--
Sat, Jan 08, 1977
3654.62
18,022,130
9631
18300
36.0
28.0
--
Tue, Sep 28, 1976
3664.23
19,318,564
12998
18300
76.0
59.0
--
Tue, Jun 01, 1976
3667.91
19,821,060
31710
18300
89.0
79.0
--
Thu, Jul 31, 1975
3674.81
20,820,418
21223
18300
90.0
69.0
--
Fri, Jun 13, 1975
3661.69
19,006,616
61798
18300
99.0
71.0
--
Mon, Jan 07, 1974
3647.75
17,233,394
9705
18300
37.0
28.0
--
Tue, Jan 30, 1973
3601.21
12,096,802
10931
18300
35.0
19.0
--
Fri, Jul 28, 1972
3616.03
13,627,607
6331
18300
103.0
76.0
--
Wed, Jul 26, 1972
3616.59
13,686,893
6423
18300
94.0
73.0
--
Wed, Jun 30, 1971
3620.79
14,160,982
43615
18300
96.0
69.0
--
Thu, Apr 15, 1971
3601.80
12,193,072
14876
18300
77.0
55.0
--
Wed, Apr 19, 1967
3509.15
5,148,855
7681
18300
77.0
36.0
--


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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



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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