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 May 11, 1985

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, May 21, 1985
3694.03
0.13
23,375,714
48486
44300
81.0
58.0
--
Mon, May 20, 1985
3693.90
0.03
23,355,384
49182
44100
82.0
57.0
--
Sun, May 19, 1985
3693.87
0.11
23,350,738
51427
45300
80.0
58.0
--
Sat, May 18, 1985
3693.76
0.12
23,333,562
55563
45500
85.0
58.0
--
Fri, May 17, 1985
3693.64
0.21
23,314,824
58808
36100
83.0
58.0
--
Thu, May 16, 1985
3693.43
0.44
23,282,070
64582
24200
85.0
60.0
--
Wed, May 15, 1985
3692.99
0.54
23,213,448
69317
25900
87.0
53.0
--
Tue, May 14, 1985
3692.45
0.59
23,129,742
73523
26600
76.0
45.0
--
Mon, May 13, 1985
3691.86
0.67
23,038,456
75405
26400
68.0
46.0
--
Sun, May 12, 1985
3691.19
0.66
22,935,250
76316
26300
72.0
54.0
--
Sat, May 11, 1985
3690.53
0.74
22,833,624
75581
26700
72.0
46.0
--
Fri, May 10, 1985
3689.79
0.60
22,720,086
74013
26700
81.0
59.0
--
Thu, May 09, 1985
3689.19
0.70
22,628,872
72934
26300
83.0
62.0
--
Wed, May 08, 1985
3688.49
0.66
22,521,968
70974
26500
85.0
56.0
--
Tue, May 07, 1985
3687.83
0.65
22,421,342
65386
26200
86.0
54.0
--
Mon, May 06, 1985
3687.18
0.60
22,323,170
57534
26100
84.0
57.0
--
Sun, May 05, 1985
3686.58
0.47
22,233,012
51113
26700
85.0
57.0
--
Sat, May 04, 1985
3686.11
0.33
22,162,516
48270
26400
87.0
57.0
--
Fri, May 03, 1985
3685.78
0.40
22,113,004
46162
19300
86.0
56.0
--
Thu, May 02, 1985
3685.38
0.34
22,052,982
47633
19800
85.0
57.0
--
Wed, May 01, 1985
3685.04
0.45
22,002,006
49505
20000
86.0
57.0
--
Averages of List
3690.14
0.45
22,778,180
61034
29305
81.9
55.5
--


Averages for May 11th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3626.31
0.21
15,017,602
24963
13698
80.6
52.6
61.2
All-Time
3615.34
0.22
14,188,043
24813
13425
72.3
48.3
62.8


All Lake Powell water data for May 11th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun May 11, 2025
3557.97
7,643,700
10160
9501
88.6
53.5
--
Sat May 11, 2024
3561.81
7,915,765
15879
8960
67.2
53.4
--
Thu May 11, 2023
3534.97
6,136,635
52658
17566
76.3
54.7
64.0
Wed May 11, 2022
3523.35
5,825,778
13410
9878
80.0
52.0
60.0
Tue May 11, 2021
3561.05
8,403,102
8509
11522
78.0
52.0
62.0
Mon May 11, 2020
3600.81
11,827,511
21339
10470
80.0
64.0
64.0
Sat May 11, 2019
3576.41
9,635,111
28968
10800
73.0
52.0
63.0
Fri May 11, 2018
3609.30
12,659,969
10159
12421
84.0
72.0
63.0
Thu May 11, 2017
3607.42
12,472,357
38024
10564
82.0
50.0
62.0
Wed May 11, 2016
3593.31
11,122,812
21739
11794
73.9
52.0
61.0
Mon May 11, 2015
3590.60
10,874,909
22525
11737
75.0
50.0
61.0
Sun May 11, 2014
3580.37
9,971,265
25496
7374
59.0
44.1
57.0
Sat May 11, 2013
3596.10
11,381,762
10453
9519
81.0
55.9
63.0
Fri May 11, 2012
3635.89
15,522,983
10777
10210
87.1
63.0
64.0
Wed May 11, 2011
3613.82
13,118,659
31372
14791
84.9
n/a
60.0
Tue May 11, 2010
3621.36
13,907,859
14479
9983
60.1
48.9
57.0
Mon May 11, 2009
3615.09
13,249,477
35330
10125
91.0
61.0
60.0
Sun May 11, 2008
3597.53
11,515,954
31306
12176
84.0
50.0
60.0
Fri May 11, 2007
3602.90
12,028,904
21893
10124
91.9
60.1
63.0
Thu May 11, 2006
3596.32
11,402,348
23234
10028
82.0
51.1
63.0
Wed May 11, 2005
3567.07
8,872,350
26546
10361
66.9
44.1
59.0
Tue May 11, 2004
3583.47
10,239,723
16629
10081
73.9
55.0
60.0
Sun May 11, 2003
3605.31
12,264,017
9385
7749
75.9
44.1
56.0
Sat May 11, 2002
3645.11
16,614,719
7114
9696
75.9
51.1
59.0
Fri May 11, 2001
3663.65
18,975,276
15668
10154
88.0
60.1
--
Thu May 11, 2000
3676.30
20,724,216
30562
16949
90.0
59.0
66.0
Tue May 11, 1999
3678.74
21,075,124
17504
19054
76.0
38.0
--
Mon May 11, 1998
3681.11
21,420,206
46358
16200
86.0
48.0
--
Sun May 11, 1997
3667.10
19,440,578
38927
21000
87.0
58.0
--
Sat May 11, 1996
3673.77
20,364,988
30330
17700
90.0
60.0
--
Thu May 11, 1995
3648.73
17,058,148
26448
11000
82.0
51.0
--
Wed May 11, 1994
3655.06
17,853,798
19047
10700
81.0
51.0
--
Tue May 11, 1993
3628.59
14,695,542
31497
11000
82.0
49.0
--
Mon May 11, 1992
3623.47
14,134,757
23272
9980
98.0
54.0
--
Sat May 11, 1991
3627.32
14,555,208
12185
15200
69.0
41.0
--
Fri May 11, 1990
3649.05
17,098,206
8087
11700
83.0
52.0
--
Thu May 11, 1989
3676.22
20,712,456
10744
7530
85.0
53.0
--
Wed May 11, 1988
3684.55
21,928,958
15420
12000
90.0
50.0
--
Mon May 11, 1987
3688.47
22,518,906
37144
14100
88.0
60.0
--
Sun May 11, 1986
3684.61
21,937,906
51574
47100
82.0
53.0
--
Sat May 11, 1985
3690.53
22,833,624
75581
26700
72.0
46.0
--
Fri May 11, 1984
3673.85
20,406,754
38447
44700
92.0
61.0
--
Wed May 11, 1983
3688.41
22,573,526
36448
20100
79.0
44.0
--
Tue May 11, 1982
3669.24
19,824,084
36242
8140
73.0
43.0
--
Mon May 11, 1981
3677.72
21,052,140
14480
7960
81.0
49.0
--
Sun May 11, 1980
3682.83
21,830,798
51172
7230
n/a
n/a
--
Fri May 11, 1979
3651.33
17,547,208
39114
6110
n/a
n/a
--
Thu May 11, 1978
3628.57
14,859,895
20165
11200
85.0
46.0
--
Wed May 11, 1977
3653.07
17,823,362
8274
3000
76.0
44.0
--
Tue May 11, 1976
3664.72
19,385,202
21478
18400
88.0
60.0
--
Sun May 11, 1975
3648.12
17,252,590
14959
12600
86.0
53.0
--
Sat May 11, 1974
3655.61
18,234,192
36359
16200
93.0
61.0
--
Fri May 11, 1973
3596.30
11,622,834
31840
9540
91.0
62.0
--
Thu May 11, 1972
3609.79
12,976,532
13724
18000
77.0
49.0
--
Tue May 11, 1971
3604.35
12,446,110
25076
18500
78.0
53.0
--
Mon May 11, 1970
3568.09
9,179,777
25733
14000
85.0
54.0
--
Sun May 11, 1969
3558.02
8,393,740
35516
10400
88.0
59.0
--
Sat May 11, 1968
3515.07
5,486,647
22743
11600
73.0
45.0
--
Thu May 11, 1967
3504.70
4,895,905
5540
16900
77.0
46.0
--
Wed May 11, 1966
3541.11
7,189,205
32605
13800
73.0
50.0
--
Tue May 11, 1965
3491.16
4,180,112
32105
32800
76.0
47.0
--
Mon May 11, 1964
3394.50
562,500
8499
8100
83.0
52.0
--
Sat May 11, 1963
14950
1000
84.0
59.0
--



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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 2.404 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