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 Jul 17, 1999

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Jul 27, 1999
3694.29
0.01
23,416,634
16060
18169
102.0
79.0
--
Mon, Jul 26, 1999
3694.28
-0.13
23,415,068
16881
18036
101.0
72.0
--
Sun, Jul 25, 1999
3694.41
0.00
23,435,394
16859
16756
100.0
70.0
--
Sat, Jul 24, 1999
3694.41
-0.09
23,435,394
18276
17655
99.0
70.0
--
Fri, Jul 23, 1999
3694.50
-0.04
23,449,502
17989
18354
97.0
68.0
--
Thu, Jul 22, 1999
3694.54
-0.10
23,455,772
19469
18299
92.0
69.0
--
Wed, Jul 21, 1999
3694.64
0.00
23,471,418
18359
18390
89.0
66.0
--
Tue, Jul 20, 1999
3694.64
0.00
23,471,418
17963
18359
90.0
64.0
78.0
Mon, Jul 19, 1999
3694.64
-0.09
23,471,418
19624
18374
93.0
71.0
--
Sun, Jul 18, 1999
3694.73
0.01
23,485,542
21083
15954
96.0
66.0
--
Sat, Jul 17, 1999
3694.72
-0.01
23,483,972
20837
17522
96.0
n/a
--
Fri, Jul 16, 1999
3694.73
0.11
23,485,542
20209
18351
94.0
67.0
--
Thu, Jul 15, 1999
3694.62
-0.04
23,468,320
21427
17921
91.0
64.0
--
Wed, Jul 14, 1999
3694.66
0.00
23,474,556
22394
16950
90.0
65.0
--
Tue, Jul 13, 1999
3694.66
-0.01
23,474,556
23146
17875
92.0
71.0
--
Mon, Jul 12, 1999
3694.67
0.02
23,476,126
25147
17865
98.0
69.0
--
Sun, Jul 11, 1999
3694.65
0.12
23,472,988
25862
16695
90.0
70.0
--
Sat, Jul 10, 1999
3694.53
0.03
23,454,204
25213
17319
89.0
68.0
--
Fri, Jul 09, 1999
3694.50
0.02
23,449,502
25377
17834
101.0
65.0
79.5
Thu, Jul 08, 1999
3694.48
0.16
23,446,366
26604
17925
100.0
74.0
--
Wed, Jul 07, 1999
3694.32
0.05
23,421,332
27958
17826
101.0
72.0
--
Averages of List
3694.55
0
23,457,858
21273
17735
95.3
69
78.8


Averages for July 17th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3643.67
-0.07
17,021,967
16375
16490
99
72.7
79
All-Time
3633.85
-0.05
15,862,001
16488
15512
72.7
48.6
62.8


All Lake Powell water data for July 17th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu Jul 17, 2025
3558.21
7,660,526
4135
11630
94.3
63.6
--
Wed Jul 17, 2024
3586.54
9,826,541
6414
11611
96.2
76.6
--
Mon Jul 17, 2023
3583.83
9,603,622
10912
18705
107.8
64.0
79.0
Sun Jul 17, 2022
3538.33
6,344,244
5778
9408
105.0
83.0
--
Sat Jul 17, 2021
3556.46
8,056,831
2765
12727
100.0
77.0
81.0
Fri Jul 17, 2020
3608.36
12,565,930
5471
13304
100.0
79.0
77.0
Wed Jul 17, 2019
3620.32
13,797,163
26859
14373
101.0
74.0
78.0
Tue Jul 17, 2018
3606.65
12,396,053
1542
15238
98.0
77.0
79.0
Mon Jul 17, 2017
3635.56
15,484,881
8564
14433
102.0
77.0
80.0
Sun Jul 17, 2016
3620.65
13,832,217
7561
13572
99.0
77.0
77.0
Fri Jul 17, 2015
3614.25
13,162,857
16619
17400
97.0
73.0
78.0
Thu Jul 17, 2014
3609.39
12,668,997
10412
13366
n/a
n/a
78.0
Wed Jul 17, 2013
3596.82
11,449,202
6341
14234
95.0
72.0
80.0
Tue Jul 17, 2012
3630.81
14,943,749
4800
14820
93.9
66.0
78.0
Sun Jul 17, 2011
3658.88
18,346,392
69919
23976
99.0
77.0
78.0
Sat Jul 17, 2010
3637.96
15,763,496
10118
12641
102.0
75.0
81.0
Fri Jul 17, 2009
3642.22
16,266,728
16019
13634
105.1
73.9
--
Thu Jul 17, 2008
3633.67
15,267,929
19215
14532
97.0
73.9
79.0
Tue Jul 17, 2007
3609.39
12,668,986
7433
13585
97.0
77.0
81.0
Mon Jul 17, 2006
3608.97
12,626,899
12156
13615
105.1
80.1
79.0
Sun Jul 17, 2005
3608.22
12,551,961
14540
12786
107.1
75.0
81.0
Sat Jul 17, 2004
3582.85
10,185,668
5518
15002
96.1
69.1
--
Thu Jul 17, 2003
3613.55
13,090,962
6118
15491
104.0
79.0
81.0
Wed Jul 17, 2002
3637.36
15,693,528
2827
15092
93.0
73.0
78.0
Tue Jul 17, 2001
3671.33
20,023,022
8836
14100
91.9
66.0
77.0
Mon Jul 17, 2000
3682.83
21,673,280
7120
8020
101.0
75.0
--
Sat Jul 17, 1999
3694.72
23,483,972
20837
17522
96.0
n/a
--
Fri Jul 17, 1998
3696.72
23,799,062
19305
20900
106.0
77.0
79.0
Thu Jul 17, 1997
3694.89
23,510,624
21847
19678
105.0
75.0
--
Wed Jul 17, 1996
3687.65
22,394,388
13533
17000
95.0
75.0
--
Mon Jul 17, 1995
3690.46
22,822,922
69340
18000
99.0
72.0
--
Sun Jul 17, 1994
3663.88
19,006,020
6839
12500
104.0
73.0
--
Sat Jul 17, 1993
3668.67
19,655,194
20633
14400
95.0
69.0
--
Fri Jul 17, 1992
3632.17
15,097,371
11484
14700
103.0
70.0
--
Wed Jul 17, 1991
3637.38
15,696,066
9601
17000
100.0
78.0
--
Tue Jul 17, 1990
3649.25
17,123,000
8214
15300
84.0
73.0
--
Mon Jul 17, 1989
3675.41
20,597,208
5786
12300
105.0
72.0
--
Sun Jul 17, 1988
3692.73
23,173,146
8272
9280
104.0
70.0
--
Fri Jul 17, 1987
3697.65
23,946,334
15885
15600
91.0
60.0
--
Thu Jul 17, 1986
3698.97
24,157,196
37929
20800
90.0
70.0
--
Wed Jul 17, 1985
3698.30
24,050,008
21731
28200
95.0
71.0
--
Tue Jul 17, 1984
3702.22
24,714,028
48315
35800
100.0
69.0
--
Sun Jul 17, 1983
3708.17
25,728,498
64662
53900
101.0
70.0
--
Sat Jul 17, 1982
3687.32
22,439,948
20218
9760
96.0
71.0
--
Fri Jul 17, 1981
3679.56
21,319,374
12905
13500
94.0
68.0
--
Thu Jul 17, 1980
3699.13
24,344,480
17907
25100
105.0
64.0
--
Tue Jul 17, 1979
3684.53
22,115,992
28409
12600
100.0
72.0
--
Mon Jul 17, 1978
3652.45
17,716,626
19028
12500
92.0
68.0
--
Sun Jul 17, 1977
3651.19
17,584,460
4124
13400
97.0
75.0
--
Sat Jul 17, 1976
3671.51
20,322,186
9612
10500
88.0
67.0
--
Thu Jul 17, 1975
3674.17
20,728,908
39996
19400
97.0
69.0
--
Wed Jul 17, 1974
3664.80
19,455,310
8771
22900
93.0
70.0
--
Tue Jul 17, 1973
3641.39
16,478,482
29010
10600
94.0
73.0
--
Mon Jul 17, 1972
3618.04
13,841,667
8341
14400
101.0
67.0
--
Sat Jul 17, 1971
3621.85
14,276,352
16250
16300
107.0
79.0
--
Fri Jul 17, 1970
3601.63
12,195,675
17145
16200
102.0
78.0
--
Thu Jul 17, 1969
3580.95
10,286,763
16082
18000
103.0
63.0
--
Wed Jul 17, 1968
3547.77
7,639,226
13777
17600
101.0
73.0
--
Mon Jul 17, 1967
3532.09
6,564,784
14780
10200
95.0
72.0
--
Sun Jul 17, 1966
3542.40
7,279,603
5961
12100
100.0
74.0
--
Sat Jul 17, 1965
3524.91
6,120,269
37004
10100
n/a
n/a
--
Fri Jul 17, 1964
3480.65
3,656,845
12570
930
106.0
74.0
--
Wed Jul 17, 1963
32,400
4649
1000
104.0
76.0
--



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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 2.706 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