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 Aug 18, 1998

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Aug 28, 1998
3691.21
-0.17
22,938,308
10304
21500
96.0
68.0
80.0
Thu, Aug 27, 1998
3691.38
-0.15
22,964,508
10600
21500
93.0
67.0
--
Wed, Aug 26, 1998
3691.53
-0.18
22,987,678
11040
21500
89.0
67.0
--
Tue, Aug 25, 1998
3691.71
-0.09
23,015,468
12039
21500
92.0
70.0
--
Mon, Aug 24, 1998
3691.80
-0.17
23,029,390
14181
21300
100.0
71.0
--
Sun, Aug 23, 1998
3691.97
-0.17
23,055,668
9448
19800
96.0
70.0
--
Sat, Aug 22, 1998
3692.14
-0.15
23,081,966
9094
21200
94.0
72.0
--
Fri, Aug 21, 1998
3692.29
-0.17
23,105,222
9149
21500
94.0
69.0
--
Thu, Aug 20, 1998
3692.46
-0.19
23,131,562
9396
21500
94.0
62.0
80.0
Wed, Aug 19, 1998
3692.65
-0.21
23,161,032
9518
21400
95.0
64.0
--
Tue, Aug 18, 1998
3692.86
-0.20
23,193,676
9758
21600
94.0
65.0
--
Mon, Aug 17, 1998
3693.06
-0.14
23,224,760
9936
21300
96.0
69.0
--
Sun, Aug 16, 1998
3693.20
-0.17
23,246,526
10498
19600
99.0
70.0
--
Sat, Aug 15, 1998
3693.37
-0.14
23,273,020
11211
21100
102.0
73.0
--
Fri, Aug 14, 1998
3693.51
-0.17
23,294,818
11396
21500
96.0
67.0
--
Thu, Aug 13, 1998
3693.68
-0.20
23,321,316
11665
21400
100.0
67.0
--
Wed, Aug 12, 1998
3693.88
-0.12
23,352,524
12158
21400
100.0
69.0
--
Tue, Aug 11, 1998
3694.00
-0.18
23,371,286
12814
21400
96.0
68.0
--
Mon, Aug 10, 1998
3694.18
-0.09
23,399,410
13822
21200
97.0
68.0
--
Sun, Aug 09, 1998
3694.27
-0.16
23,413,502
14709
19600
98.0
68.0
--
Sat, Aug 08, 1998
3694.43
-0.08
23,438,530
15719
21000
102.0
72.0
--
Averages of List
3692.84
-0.16
23,190,484
11355
21133
96.3
68.4
80


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 2.686 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