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 Aug 18, 1969

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu, Aug 28, 1969
3576.20
-0.17
9,874,253
8744
19000
95.0
68.0
--
Wed, Aug 27, 1969
3576.37
-0.29
9,888,936
9557
17600
101.0
74.0
--
Tue, Aug 26, 1969
3576.66
-0.24
9,913,941
9908
18000
101.0
74.0
--
Mon, Aug 25, 1969
3576.90
-0.19
9,934,649
10260
17100
99.0
73.0
--
Sun, Aug 24, 1969
3577.09
-0.15
9,951,059
8948
11200
96.0
69.0
--
Sat, Aug 23, 1969
3577.24
-0.15
9,963,993
8679
15400
96.0
71.0
--
Fri, Aug 22, 1969
3577.39
-0.19
9,976,928
9777
16700
97.0
71.0
--
Thu, Aug 21, 1969
3577.58
-0.16
9,993,338
12084
16100
97.0
69.0
--
Wed, Aug 20, 1969
3577.74
-0.13
10,007,136
11787
16400
95.0
69.0
--
Tue, Aug 19, 1969
3577.87
-0.11
10,018,364
11106
16100
90.0
69.0
--
Mon, Aug 18, 1969
3577.98
-0.16
10,027,844
10469
15200
98.0
76.0
--
Sun, Aug 17, 1969
3578.14
-0.14
10,041,692
11062
12600
100.0
75.0
--
Sat, Aug 16, 1969
3578.28
-0.17
10,053,834
12567
16700
102.0
80.0
--
Fri, Aug 15, 1969
3578.45
-0.15
10,068,557
9952
16200
99.0
73.0
--
Thu, Aug 14, 1969
3578.60
-0.17
10,081,565
9557
15800
94.0
70.0
--
Wed, Aug 13, 1969
3578.77
-0.11
10,096,288
9535
15700
89.0
69.0
--
Tue, Aug 12, 1969
3578.88
-0.26
10,105,807
9623
15800
98.0
69.0
--
Mon, Aug 11, 1969
3579.14
-0.14
10,128,442
9952
15900
102.0
75.0
--
Sun, Aug 10, 1969
3579.28
-0.13
10,140,691
9930
10800
103.0
77.0
--
Sat, Aug 09, 1969
3579.41
-0.07
10,152,042
10051
12900
106.0
81.0
--
Fri, Aug 08, 1969
3579.48
-0.15
10,158,167
9535
14700
106.0
80.0
--
Averages of List
3577.97
-0.16
10,027,501
10147
15519
98.3
73
--


Averages for August 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3639.79
-0.14
16,581,622
8544
15760
94.6
68.4
79.6
All-Time
3630.69
-0.14
15,493,692
8774
15201
72.3
48.3
62.9


All Lake Powell water data for August 18th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon Aug 18, 2025
3551.07
7,169,923
3389
12417
95.7
57.7
--
Sun Aug 18, 2024
3582.07
9,460,619
5485
11440
86.5
69.4
--
Fri Aug 18, 2023
3576.52
9,019,009
4370
13985
89.4
69.1
80.0
Thu Aug 18, 2022
3533.41
6,041,641
8043
12231
85.0
74.0
79.0
Wed Aug 18, 2021
3550.56
7,625,344
8911
13441
91.0
70.0
83.0
Tue Aug 18, 2020
3602.49
11,989,223
2695
15565
105.0
72.0
81.0
Sun Aug 18, 2019
3620.60
13,826,902
7919
11612
99.0
70.0
80.0
Sat Aug 18, 2018
3599.78
11,729,102
5622
11555
98.0
77.0
79.0
Fri Aug 18, 2017
3632.78
15,166,517
7862
14891
97.0
70.0
80.0
Thu Aug 18, 2016
3615.71
13,313,650
7527
14524
93.0
69.0
79.0
Tue Aug 18, 2015
3610.97
12,828,186
5553
13491
98.1
71.0
80.0
Mon Aug 18, 2014
3607.00
12,430,698
8926
13466
96.1
73.0
77.0
Sun Aug 18, 2013
3591.30
10,938,601
4518
11694
91.9
68.0
77.0
Sat Aug 18, 2012
3625.41
14,345,183
2924
12662
97.0
72.0
80.0
Thu Aug 18, 2011
3658.21
18,259,316
13260
24702
n/a
n/a
79.0
Wed Aug 18, 2010
3635.83
15,516,051
8239
13244
82.0
68.0
82.0
Tue Aug 18, 2009
3639.09
15,895,887
8219
13296
96.1
64.9
76.0
Mon Aug 18, 2008
3631.35
15,004,578
8954
14821
93.0
66.0
80.0
Sat Aug 18, 2007
3605.42
12,274,807
6021
12561
97.0
73.0
81.0
Fri Aug 18, 2006
3604.75
12,209,110
7918
13640
93.0
66.9
80.0
Thu Aug 18, 2005
3604.87
12,220,872
9936
14559
91.0
66.9
79.0
Wed Aug 18, 2004
3575.27
9,539,749
4165
14224
88.0
66.0
78.0
Mon Aug 18, 2003
3606.89
12,419,792
4981
15628
98.1
71.1
82.0
Sun Aug 18, 2002
3630.36
14,893,206
4652
13586
n/a
n/a
80.0
Sat Aug 18, 2001
3667.66
19,516,904
7688
13950
100.0
70.0
79.0
Fri Aug 18, 2000
3680.93
21,393,826
5958
8041
96.0
72.0
--
Wed Aug 18, 1999
3693.63
23,313,508
20435
19112
88.0
66.0
--
Tue Aug 18, 1998
3692.86
23,193,676
9758
21600
94.0
65.0
--
Mon Aug 18, 1997
3692.33
23,111,428
17400
20900
94.0
65.0
--
Sun Aug 18, 1996
3683.86
21,825,908
5587
12100
100.0
69.0
--
Fri Aug 18, 1995
3692.62
23,156,408
14335
18400
95.0
70.0
--
Thu Aug 18, 1994
3658.80
18,335,984
6327
15800
105.0
66.0
--
Wed Aug 18, 1993
3665.44
19,215,590
10348
15300
96.0
66.0
--
Tue Aug 18, 1992
3627.64
14,590,388
6224
14900
105.0
72.0
--
Sun Aug 18, 1991
3633.38
15,235,307
6921
12400
92.0
72.0
--
Sat Aug 18, 1990
3643.61
16,433,213
6921
13900
92.0
68.0
--
Fri Aug 18, 1989
3671.51
20,047,892
6905
12800
86.0
60.0
--
Thu Aug 18, 1988
3689.03
22,604,564
5910
13300
99.0
61.0
--
Tue Aug 18, 1987
3693.62
23,311,738
8063
22800
97.0
64.0
--
Mon Aug 18, 1986
3697.07
23,854,140
12699
27500
99.0
80.0
--
Sun Aug 18, 1985
3693.70
23,324,192
10293
25300
93.0
71.0
--
Sat Aug 18, 1984
3700.67
24,462,908
20619
23500
88.0
65.0
--
Thu Aug 18, 1983
3706.26
25,410,114
23618
26900
100.0
66.0
--
Wed Aug 18, 1982
3686.60
22,331,472
13094
17700
92.0
69.0
--
Tue Aug 18, 1981
3675.18
20,688,048
6250
14300
95.0
69.0
--
Mon Aug 18, 1980
3692.38
23,279,448
7591
21200
95.0
60.0
--
Sat Aug 18, 1979
3682.37
21,794,476
10721
17200
85.0
58.0
--
Fri Aug 18, 1978
3648.83
17,260,426
7008
17700
94.0
62.0
--
Thu Aug 18, 1977
3644.95
16,806,990
9623
23600
92.0
72.0
--
Wed Aug 18, 1976
3669.31
20,014,966
6525
12000
94.0
65.0
--
Mon Aug 18, 1975
3673.24
20,597,132
12325
15900
95.0
60.0
--
Sun Aug 18, 1974
3659.26
18,712,504
6580
21000
97.0
71.0
--
Sat Aug 18, 1973
3644.77
16,890,658
14335
9420
91.0
67.0
--
Fri Aug 18, 1972
3611.55
13,158,117
5530
20600
95.0
75.0
--
Wed Aug 18, 1971
3618.33
13,894,706
7418
15300
94.0
75.0
--
Tue Aug 18, 1970
3599.43
11,980,336
8021
12100
94.0
70.0
--
Mon Aug 18, 1969
3577.98
10,027,844
10469
15200
98.0
76.0
--
Sun Aug 18, 1968
3550.23
7,819,693
19246
6320
88.0
62.0
--
Fri Aug 18, 1967
3532.21
6,572,670
10743
11400
100.0
70.0
--
Thu Aug 18, 1966
3536.41
6,864,901
5086
12000
99.0
72.0
--
Wed Aug 18, 1965
3533.37
6,670,968
11227
16000
89.0
58.0
--
Tue Aug 18, 1964
3490.35
4,144,205
10820
5940
98.0
72.0
--
Sun Aug 18, 1963
137,400
4073
1030
94.0
68.0
--



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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 2.685 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