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 Jul 11, 1991

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun, Jul 21, 1991
3636.72
-0.15
15,619,517
9188
17000
86.0
64.0
--
Sat, Jul 20, 1991
3636.87
-0.12
15,636,934
9040
17000
91.0
64.0
--
Fri, Jul 19, 1991
3636.99
-0.20
15,650,839
9180
17000
93.0
74.0
--
Thu, Jul 18, 1991
3637.19
-0.19
15,674,033
9539
17000
94.0
76.0
--
Wed, Jul 17, 1991
3637.38
-0.14
15,696,066
9601
17000
100.0
78.0
--
Tue, Jul 16, 1991
3637.52
-0.15
15,712,322
10074
17000
100.0
76.0
--
Mon, Jul 15, 1991
3637.67
-0.16
15,729,711
10328
16100
98.0
70.0
--
Sun, Jul 14, 1991
3637.83
0.08
15,748,289
10975
5010
97.0
73.0
--
Sat, Jul 13, 1991
3637.75
0.06
15,739,000
12073
5010
97.0
73.0
--
Fri, Jul 12, 1991
3637.69
0.07
15,732,033
12061
5910
100.0
72.0
--
Thu, Jul 11, 1991
3637.62
-0.16
15,723,934
11070
18300
94.0
69.0
--
Wed, Jul 10, 1991
3637.78
-0.17
15,742,483
10570
18300
89.0
69.0
--
Tue, Jul 09, 1991
3637.95
-0.14
15,762,194
10979
18300
94.0
71.0
--
Mon, Jul 08, 1991
3638.09
-0.20
15,778,585
11314
18300
102.0
72.0
--
Sun, Jul 07, 1991
3638.29
-0.15
15,802,080
12008
18300
100.0
76.0
--
Sat, Jul 06, 1991
3638.44
-0.11
15,819,693
13010
18300
102.0
72.0
--
Fri, Jul 05, 1991
3638.55
-0.15
15,832,631
14127
18300
103.0
72.0
--
Thu, Jul 04, 1991
3638.70
-0.12
15,850,244
15666
18300
100.0
70.0
--
Wed, Jul 03, 1991
3638.82
-0.06
15,864,358
16636
18300
99.0
76.0
--
Tue, Jul 02, 1991
3638.88
-0.08
15,871,386
16983
18200
99.0
70.0
--
Mon, Jul 01, 1991
3638.96
-0.06
15,880,795
17168
17300
96.0
65.0
--
Averages of List
3637.89
-0.11
15,755,577
11980
15916
96.9
71.5
--


Averages for July 11th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3643.95
-0.02
17,046,696
19470
16812
97.6
71.2
78.3
All-Time
3633.98
0
15,874,199
19931
15762
72.3
48.3
62.8


All Lake Powell water data for July 11th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri Jul 11, 2025
3559.47
7,749,238
5222
11614
99.6
61.0
--
Thu Jul 11, 2024
3587.13
9,875,512
10743
11880
100.2
81.8
--
Tue Jul 11, 2023
3584.59
9,665,804
16728
18746
100.9
63.3
77.0
Mon Jul 11, 2022
3539.28
6,403,687
6602
11961
102.0
80.0
--
Sun Jul 11, 2021
3557.98
8,170,469
2473
10065
108.0
85.0
80.0
Sat Jul 11, 2020
3609.33
12,662,977
5270
9317
108.0
77.0
77.0
Thu Jul 11, 2019
3618.70
13,625,973
41359
14674
103.0
74.0
76.0
Wed Jul 11, 2018
3607.80
12,510,128
8060
15329
97.0
72.0
79.0
Tue Jul 11, 2017
3635.80
15,512,585
19121
14304
98.0
75.0
80.0
Mon Jul 11, 2016
3621.37
13,908,927
13023
16149
98.0
72.0
77.0
Sat Jul 11, 2015
3614.17
13,154,627
20575
16876
91.9
66.0
76.0
Fri Jul 11, 2014
3609.68
12,698,116
12058
13375
96.1
70.0
78.0
Thu Jul 11, 2013
3598.01
11,561,217
3787
14300
91.9
75.0
79.0
Wed Jul 11, 2012
3631.84
15,059,928
5717
14559
n/a
n/a
80.0
Mon Jul 11, 2011
3655.77
17,944,638
72125
24949
87.1
69.1
76.0
Sun Jul 11, 2010
3638.53
15,830,181
11663
11867
97.0
70.0
81.0
Sat Jul 11, 2009
3642.25
16,270,312
23416
12776
96.1
75.0
79.0
Fri Jul 11, 2008
3633.41
15,238,253
22673
13875
93.0
75.0
79.0
Wed Jul 11, 2007
3610.33
12,763,554
7497
13500
95.0
79.0
81.0
Tue Jul 11, 2006
3609.34
12,663,989
14595
13665
97.0
66.9
77.0
Mon Jul 11, 2005
3608.35
12,564,942
20487
14260
100.0
68.0
78.0
Sun Jul 11, 2004
3584.32
10,314,157
7710
13603
100.0
72.0
76.0
Fri Jul 11, 2003
3614.71
13,210,242
7677
15533
n/a
n/a
79.0
Thu Jul 11, 2002
3638.64
15,843,060
3802
15312
100.9
73.9
--
Wed Jul 11, 2001
3671.98
20,113,680
7298
14067
93.0
69.1
79.0
Tue Jul 11, 2000
3683.12
21,716,176
8002
8033
96.0
67.0
--
Sun Jul 11, 1999
3694.65
23,472,988
25862
16695
90.0
70.0
--
Sat Jul 11, 1998
3696.96
23,837,074
24677
20500
98.0
69.0
--
Fri Jul 11, 1997
3695.08
23,540,482
27808
21043
101.0
66.0
78.5
Thu Jul 11, 1996
3688.10
22,462,640
19307
18800
102.0
74.0
--
Tue Jul 11, 1995
3687.13
22,315,740
67145
17400
104.0
70.0
--
Mon Jul 11, 1994
3664.66
19,110,580
7902
14700
105.0
74.0
--
Sun Jul 11, 1993
3668.49
19,630,504
26548
12600
102.0
74.0
--
Sat Jul 11, 1992
3632.56
15,141,847
8965
14700
89.0
65.0
--
Thu Jul 11, 1991
3637.62
15,723,934
11070
18300
94.0
69.0
--
Wed Jul 11, 1990
3649.58
17,163,930
11010
14900
90.0
71.0
--
Tue Jul 11, 1989
3676.10
20,695,314
5563
13700
97.0
73.0
--
Mon Jul 11, 1988
3693.07
23,225,930
11414
12300
103.0
62.0
--
Sat Jul 11, 1987
3698.08
24,014,812
17018
15500
99.0
66.0
--
Fri Jul 11, 1986
3697.52
23,925,684
43243
20400
102.0
74.0
--
Thu Jul 11, 1985
3699.12
24,181,218
24388
29700
101.0
76.0
--
Wed Jul 11, 1984
3702.32
24,730,248
49770
43900
n/a
n/a
--
Mon Jul 11, 1983
3708.07
25,711,724
77833
52900
90.0
66.0
--
Sun Jul 11, 1982
3687.18
22,418,768
26918
9930
99.0
69.0
--
Sat Jul 11, 1981
3679.71
21,341,166
7463
15000
94.0
65.0
--
Fri Jul 11, 1980
3699.92
24,471,074
24030
25800
89.0
72.0
--
Wed Jul 11, 1979
3683.69
21,990,428
36253
14300
101.0
75.0
--
Tue Jul 11, 1978
3652.13
17,675,872
22859
12600
n/a
71.0
--
Mon Jul 11, 1977
3652.21
17,713,712
5453
14300
97.0
63.0
--
Sun Jul 11, 1976
3671.81
20,364,150
11911
14900
106.0
78.0
--
Fri Jul 11, 1975
3672.56
20,500,740
52635
19800
94.0
73.0
--
Thu Jul 11, 1974
3665.95
19,611,584
11195
20100
91.0
48.0
--
Wed Jul 11, 1973
3640.24
16,339,919
35757
16500
99.0
80.0
--
Tue Jul 11, 1972
3618.87
13,930,525
9506
17800
101.0
73.0
--
Sun Jul 11, 1971
3622.34
14,330,303
22390
13400
101.0
68.0
--
Sat Jul 11, 1970
3601.23
12,156,428
26549
10000
91.0
64.0
--
Fri Jul 11, 1969
3580.95
10,286,763
21304
16600
104.0
73.0
--
Thu Jul 11, 1968
3548.51
7,693,354
16914
15600
102.0
74.0
--
Tue Jul 11, 1967
3531.54
6,528,237
17966
11800
100.0
73.0
--
Mon Jul 11, 1966
3543.66
7,368,824
7222
11400
95.0
70.0
--
Sun Jul 11, 1965
3520.81
5,862,718
43682
8560
95.0
53.0
--
Sat Jul 11, 1964
3478.49
3,552,520
15158
950
104.0
77.0
--
Thu Jul 11, 1963
20,400
3308
1030
94.0
69.0
--



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 2.62 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