Lake Powell Water Database


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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 May 18, 1988

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat, May 28, 1988
3687.44
0.18
22,362,432
21341
6550
91.0
55.0
--
Fri, May 27, 1988
3687.26
0.11
22,335,262
22939
11300
95.0
55.0
--
Thu, May 26, 1988
3687.15
0.13
22,318,636
26321
12200
95.0
58.0
--
Wed, May 25, 1988
3687.02
0.22
22,299,022
28086
11500
92.0
61.0
--
Tue, May 24, 1988
3686.80
0.23
22,266,008
27811
10700
92.0
57.0
--
Mon, May 23, 1988
3686.57
0.29
22,231,510
29115
11200
90.0
53.0
--
Sun, May 22, 1988
3686.28
0.31
22,188,004
29546
9240
87.0
51.0
--
Sat, May 21, 1988
3685.97
0.34
22,141,496
28938
8100
84.0
49.0
--
Fri, May 20, 1988
3685.63
0.31
22,090,482
24880
8380
82.0
51.0
--
Thu, May 19, 1988
3685.32
0.16
22,044,010
20969
8320
80.0
53.0
--
Wed, May 18, 1988
3685.16
0.26
22,019,986
18557
9500
82.0
53.0
--
Tue, May 17, 1988
3684.90
0.03
21,981,086
16538
9370
81.0
53.0
--
Mon, May 16, 1988
3684.87
0.13
21,976,648
14361
11200
94.0
61.0
--
Sun, May 15, 1988
3684.74
0.04
21,957,258
13371
10100
92.0
56.0
--
Sat, May 14, 1988
3684.70
0.07
21,951,292
14195
8300
92.0
57.0
--
Fri, May 13, 1988
3684.63
0.02
21,940,852
13822
11500
93.0
52.0
--
Thu, May 12, 1988
3684.61
0.06
21,937,906
14214
10500
95.0
53.0
--
Wed, May 11, 1988
3684.55
0.03
21,928,958
15420
12000
90.0
50.0
--
Tue, May 10, 1988
3684.52
0.11
21,924,482
16204
9070
85.0
51.0
--
Mon, May 09, 1988
3684.41
0.10
21,908,076
16744
9570
84.0
50.0
--
Sun, May 08, 1988
3684.31
0.12
21,893,198
15606
7710
77.0
41.0
--
Averages of List
3685.56
0.15
22,080,791
20428
9824
88.2
53.3
--


Averages for May 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3628.11
0.3
15,211,651
29535
14272
82.2
56.6
64.5
All-Time
3617.23
0.31
14,384,168
29259
13834
72.3
48.3
62.9


All Lake Powell water data for May 18th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun May 18, 2025
3558.33
7,668,947
13640
9540
72.3
47.2
--
Sat May 18, 2024
3562.55
7,968,946
15216
8651
81.9
65.3
--
Thu May 18, 2023
3542.97
6,637,791
65504
17954
80.2
60.3
70.0
Wed May 18, 2022
3526.05
5,991,268
25654
9963
90.0
68.0
66.0
Tue May 18, 2021
3560.39
8,352,724
7542
10958
86.0
58.0
66.0
Mon May 18, 2020
3601.95
11,937,082
20309
10420
89.0
64.0
65.0
Sat May 18, 2019
3578.77
9,834,531
29734
10853
73.0
44.0
63.0
Fri May 18, 2018
3609.98
12,728,287
21007
12318
82.0
55.0
65.0
Thu May 18, 2017
3611.56
12,887,968
45780
11099
61.0
39.0
60.0
Wed May 18, 2016
3596.12
11,383,632
37171
11830
71.1
52.0
64.0
Mon May 18, 2015
3592.41
11,040,086
23734
11844
70.0
52.0
63.0
Sun May 18, 2014
3582.77
10,178,697
20350
7182
91.0
68.0
61.0
Sat May 18, 2013
3596.46
11,415,450
21590
9440
75.0
60.1
66.0
Fri May 18, 2012
3635.92
15,526,451
9618
10309
84.0
63.0
67.0
Wed May 18, 2011
3616.55
13,400,917
39333
22361
61.0
52.0
60.0
Tue May 18, 2010
3621.99
13,975,234
17832
9830
73.0
60.1
60.0
Mon May 18, 2009
3619.40
13,699,772
45015
10041
97.0
63.0
69.0
Sun May 18, 2008
3600.96
11,841,886
33042
12136
93.0
61.0
65.0
Fri May 18, 2007
3604.89
12,222,809
26864
10112
88.0
63.0
68.0
Thu May 18, 2006
3598.13
11,572,540
24408
10110
95.0
64.9
70.0
Wed May 18, 2005
3570.90
9,180,010
32803
10355
82.9
52.0
62.0
Tue May 18, 2004
3585.14
10,386,274
19355
10173
87.1
64.0
64.0
Sun May 18, 2003
3605.26
12,259,103
10733
7747
84.0
64.0
60.0
Sat May 18, 2002
3644.67
16,561,371
4796
10065
91.0
62.1
62.0
Fri May 18, 2001
3665.07
19,165,740
28020
10111
86.0
60.1
67.0
Thu May 18, 2000
3677.04
20,830,176
22131
16997
74.0
44.0
--
Tue May 18, 1999
3678.97
21,108,426
23184
19135
86.0
50.0
--
Mon May 18, 1998
3683.75
21,809,554
43172
16000
83.0
49.0
--
Sun May 18, 1997
3670.28
19,877,206
55955
21000
91.0
64.0
--
Sat May 18, 1996
3676.02
20,684,224
44260
17500
88.0
60.0
--
Thu May 18, 1995
3651.15
17,359,278
32261
11500
78.0
55.0
--
Wed May 18, 1994
3656.62
18,053,840
27458
11300
87.0
55.0
--
Tue May 18, 1993
3632.38
15,121,081
46652
10500
88.0
58.0
--
Mon May 18, 1992
3625.50
14,355,500
25831
10100
94.0
62.0
--
Sat May 18, 1991
3628.43
14,677,937
25204
5090
86.0
59.0
--
Fri May 18, 1990
3648.75
17,061,000
7960
11000
82.0
59.0
--
Thu May 18, 1989
3676.93
20,813,980
16038
11300
85.0
57.0
--
Wed May 18, 1988
3685.16
22,019,986
18557
9500
82.0
53.0
--
Mon May 18, 1987
3690.95
22,898,292
44104
8320
82.0
56.0
--
Sun May 18, 1986
3684.24
21,882,758
41820
52100
78.0
49.0
--
Sat May 18, 1985
3693.76
23,333,562
55563
45500
85.0
58.0
--
Fri May 18, 1984
3676.73
20,816,410
85845
44900
88.0
56.0
--
Wed May 18, 1983
3690.34
22,868,406
39908
24000
68.0
41.0
--
Tue May 18, 1982
3671.23
20,100,320
26498
9890
76.0
50.0
--
Mon May 18, 1981
3677.60
21,034,834
7626
11200
75.0
52.0
--
Sun May 18, 1980
3686.08
22,316,860
47201
16900
79.0
52.0
--
Fri May 18, 1979
3653.89
17,872,390
31987
7580
n/a
n/a
--
Thu May 18, 1978
3629.98
15,018,745
27448
10500
n/a
46.0
--
Wed May 18, 1977
3653.37
17,861,718
9828
7090
66.0
41.0
--
Tue May 18, 1976
3665.31
19,465,320
27448
19500
91.0
65.0
--
Sun May 18, 1975
3649.63
17,442,258
30958
10800
81.0
54.0
--
Sat May 18, 1974
3658.63
18,629,310
44114
13600
83.0
58.0
--
Fri May 18, 1973
3603.18
12,290,579
58426
14400
93.0
63.0
--
Thu May 18, 1972
3610.03
13,001,142
16264
11800
89.0
59.0
--
Tue May 18, 1971
3605.81
12,592,213
26370
15200
69.0
45.0
--
Mon May 18, 1970
3571.20
9,436,225
36036
17000
96.0
58.0
--
Sun May 18, 1969
3562.17
8,718,064
36898
8020
93.0
58.0
--
Sat May 18, 1968
3517.32
5,621,637
21341
16200
81.0
48.0
--
Thu May 18, 1967
3502.92
4,796,759
12576
18500
94.0
63.0
--
Wed May 18, 1966
3543.46
7,354,665
24086
17100
89.0
64.0
--
Tue May 18, 1965
3491.74
4,210,246
27782
23100
89.0
59.0
--
Mon May 18, 1964
3398.50
666,000
15753
990
91.0
61.0
--
Sat May 18, 1963
19743
1020
93.0
63.0
--



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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 2.514 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