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 19, 1978

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Aug 29, 1978
3646.30
-0.22
16,946,440
6241
17700
96.0
64.0
--
Mon, Aug 28, 1978
3646.52
-0.23
16,973,642
5585
19600
93.0
62.0
--
Sun, Aug 27, 1978
3646.75
-0.13
17,002,084
5793
14200
92.0
62.0
--
Sat, Aug 26, 1978
3646.88
-0.22
17,018,146
5892
18200
94.0
67.0
--
Fri, Aug 25, 1978
3647.10
-0.33
17,045,378
6404
23100
94.0
67.0
--
Thu, Aug 24, 1978
3647.43
-0.27
17,086,168
5806
22000
96.0
80.0
--
Wed, Aug 23, 1978
3647.70
-0.23
17,119,560
5900
21200
95.0
72.0
--
Tue, Aug 22, 1978
3647.93
-0.31
17,148,002
5896
19700
96.0
78.0
--
Mon, Aug 21, 1978
3648.24
-0.23
17,186,664
5786
19800
93.0
65.0
--
Sun, Aug 20, 1978
3648.47
-0.17
17,215,412
6009
16100
95.0
61.0
--
Sat, Aug 19, 1978
3648.64
-0.19
17,236,652
6910
12500
92.0
62.0
--
Fri, Aug 18, 1978
3648.83
-0.19
17,260,426
7008
17700
94.0
62.0
--
Thu, Aug 17, 1978
3649.02
-0.24
17,284,176
6800
19900
99.0
65.0
--
Wed, Aug 16, 1978
3649.26
-0.32
17,314,256
6219
20300
96.0
64.0
--
Tue, Aug 15, 1978
3649.58
-0.29
17,354,370
5572
17200
92.0
64.0
--
Mon, Aug 14, 1978
3649.87
-0.11
17,390,722
5350
14400
96.0
70.0
--
Sun, Aug 13, 1978
3649.98
-0.18
17,404,492
4902
15400
101.0
73.0
--
Sat, Aug 12, 1978
3650.16
-0.23
17,427,150
5219
16200
98.0
72.0
--
Fri, Aug 11, 1978
3650.39
-0.18
17,456,126
5712
17500
n/a
n/a
--
Thu, Aug 10, 1978
3650.57
-0.25
17,478,828
5610
15900
100.0
75.0
--
Wed, Aug 09, 1978
3650.82
-0.20
17,510,328
6526
18000
104.0
73.0
--
Averages of List
3648.59
-0.22
17,231,382
5959
17933
95.8
67.9
--


Averages for August 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3639.65
-0.14
16,564,617
8842
15876
94.2
68.1
79.5
All-Time
3630.56
-0.13
15,478,162
8957
15195
72.3
48.3
62.7


All Lake Powell water data for August 19th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue Aug 19, 2025
3550.82
7,153,117
3739
12388
99.1
68.2
--
Mon Aug 19, 2024
3581.96
9,451,727
8307
12498
88.8
71.8
--
Sat Aug 19, 2023
3576.30
9,001,796
5326
14076
92.1
66.7
80.0
Fri Aug 19, 2022
3533.36
6,038,611
11098
12314
85.0
69.0
79.0
Thu Aug 19, 2021
3550.83
7,644,756
24551
13423
81.0
59.0
82.0
Wed Aug 19, 2020
3602.25
11,966,030
3060
14861
106.0
78.0
81.0
Mon Aug 19, 2019
3620.47
13,813,089
9234
15819
99.0
70.0
80.0
Sun Aug 19, 2018
3599.61
11,712,911
3503
11506
99.0
71.0
79.0
Sat Aug 19, 2017
3632.66
15,152,880
7827
14232
99.0
72.0
80.0
Fri Aug 19, 2016
3615.49
13,290,856
2911
14416
93.0
71.0
79.0
Wed Aug 19, 2015
3610.83
12,814,028
6638
13468
97.0
71.1
79.0
Tue Aug 19, 2014
3606.84
12,414,852
5705
13478
79.0
68.0
78.0
Mon Aug 19, 2013
3591.09
10,919,468
3901
13552
96.1
71.1
77.0
Sun Aug 19, 2012
3625.30
14,333,173
6669
12239
93.9
77.0
80.0
Fri Aug 19, 2011
3657.97
18,228,192
12701
24753
97.0
70.0
80.0
Thu Aug 19, 2010
3635.74
15,505,656
8766
13390
88.0
66.0
83.0
Wed Aug 19, 2009
3638.94
15,878,268
8348
13325
98.1
66.0
75.0
Tue Aug 19, 2008
3631.18
14,985,410
8671
14692
93.9
64.0
79.0
Sun Aug 19, 2007
3605.25
12,258,121
6039
11969
96.1
75.9
81.0
Sat Aug 19, 2006
3604.63
12,197,355
8050
12911
96.1
66.9
80.0
Fri Aug 19, 2005
3604.78
12,212,049
9452
14506
80.1
61.0
79.0
Thu Aug 19, 2004
3575.05
9,521,421
4239
14965
84.0
63.0
77.0
Tue Aug 19, 2003
3606.63
12,394,064
5141
15655
96.1
75.0
82.0
Mon Aug 19, 2002
3630.16
14,870,754
4611
14889
104.0
75.0
80.0
Sun Aug 19, 2001
3667.67
19,518,270
7515
8981
96.1
70.0
78.0
Sat Aug 19, 2000
3680.87
21,385,072
5913
8046
89.0
64.0
--
Thu Aug 19, 1999
3693.63
23,313,508
18920
18148
95.0
65.0
--
Wed Aug 19, 1998
3692.65
23,161,032
9518
21400
95.0
64.0
--
Tue Aug 19, 1997
3692.21
23,092,816
15917
21300
92.0
70.0
--
Mon Aug 19, 1996
3683.70
21,802,124
5591
15600
98.0
67.0
--
Sat Aug 19, 1995
3692.50
23,137,772
13325
18200
96.0
67.0
--
Fri Aug 19, 1994
3658.62
18,312,582
5855
14800
104.0
70.0
--
Thu Aug 19, 1993
3665.35
19,203,472
9469
14700
97.0
66.0
--
Wed Aug 19, 1992
3627.47
14,571,697
6214
14700
105.0
74.0
--
Mon Aug 19, 1991
3633.26
15,221,641
7042
14900
91.0
64.0
--
Sun Aug 19, 1990
3643.49
16,418,799
6888
10600
93.0
65.0
--
Sat Aug 19, 1989
3671.46
20,040,934
6880
10800
82.0
66.0
--
Fri Aug 19, 1988
3688.91
22,586,216
7008
14300
100.0
63.0
--
Wed Aug 19, 1987
3693.36
23,271,176
7909
25600
100.0
65.0
--
Tue Aug 19, 1986
3696.80
23,811,408
12336
26900
95.0
75.0
--
Mon Aug 19, 1985
3693.44
23,283,630
9781
27500
96.0
65.0
--
Sun Aug 19, 1984
3700.63
24,456,422
22387
23400
89.0
67.0
--
Fri Aug 19, 1983
3706.09
25,381,906
22596
26900
100.0
62.0
--
Thu Aug 19, 1982
3686.55
22,323,950
12743
18600
95.0
70.0
--
Wed Aug 19, 1981
3675.06
20,670,980
6826
15000
92.0
67.0
--
Tue Aug 19, 1980
3692.18
23,248,410
7602
20600
92.0
62.0
--
Sun Aug 19, 1979
3682.27
21,779,704
11446
14600
79.0
57.0
--
Sat Aug 19, 1978
3648.64
17,236,652
6910
12500
92.0
62.0
--
Fri Aug 19, 1977
3644.78
16,786,184
12237
22600
96.0
69.0
--
Thu Aug 19, 1976
3669.18
19,996,932
6525
15000
93.0
66.0
--
Tue Aug 19, 1975
3673.13
20,581,560
11369
17500
94.0
67.0
--
Mon Aug 19, 1974
3658.98
18,675,458
6316
23200
98.0
79.0
--
Sun Aug 19, 1973
3644.90
16,906,624
13797
6320
97.0
70.0
--
Sat Aug 19, 1972
3611.34
13,136,351
5391
17000
88.0
63.0
--
Thu Aug 19, 1971
3618.10
13,870,061
6665
14900
95.0
74.0
--
Wed Aug 19, 1970
3599.24
11,961,885
8300
12800
89.0
71.0
--
Tue Aug 19, 1969
3577.87
10,018,364
11106
16100
90.0
69.0
--
Mon Aug 19, 1968
3550.31
7,825,588
18103
10000
93.0
66.0
--
Sat Aug 19, 1967
3532.11
6,566,101
9282
10100
97.0
71.0
--
Fri Aug 19, 1966
3536.27
6,855,282
5141
10800
96.0
81.0
--
Thu Aug 19, 1965
3533.28
6,664,943
11699
16600
87.0
61.0
--
Wed Aug 19, 1964
3490.36
4,144,726
9546
5970
96.0
72.0
--
Mon Aug 19, 1963
145,400
3735
1010
94.0
66.0
--



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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 2.398 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