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 12, 1990

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, May 22, 1990
3648.76
-0.06
17,062,242
7842
10600
90.0
65.0
--
Mon, May 21, 1990
3648.82
0.02
17,069,688
8176
8100
97.0
58.0
--
Sun, May 20, 1990
3648.80
0.04
17,067,206
8538
4020
84.0
53.0
--
Sat, May 19, 1990
3648.76
0.01
17,062,242
8470
5990
83.0
56.0
--
Fri, May 18, 1990
3648.75
-0.08
17,061,000
7960
11000
82.0
59.0
--
Thu, May 17, 1990
3648.83
-0.09
17,070,930
8283
13000
84.0
52.0
--
Wed, May 16, 1990
3648.92
-0.02
17,082,070
8634
12300
85.0
53.0
--
Tue, May 15, 1990
3648.94
-0.09
17,084,552
8205
12000
83.0
51.0
--
Mon, May 14, 1990
3649.03
-0.05
17,095,724
8205
11300
85.0
56.0
--
Sun, May 13, 1990
3649.08
0.04
17,101,930
8774
6770
83.0
59.0
--
Sat, May 12, 1990
3649.04
-0.01
17,096,964
8685
10300
80.0
60.0
--
Fri, May 11, 1990
3649.05
-0.08
17,098,206
8087
11700
83.0
52.0
--
Thu, May 10, 1990
3649.13
-0.14
17,108,106
7637
12700
82.0
50.0
--
Wed, May 09, 1990
3649.27
-0.07
17,125,482
7823
11100
85.0
52.0
--
Tue, May 08, 1990
3649.34
-0.07
17,134,170
8107
12100
89.0
65.0
--
Mon, May 07, 1990
3649.41
-0.09
17,142,830
8058
15000
88.0
59.0
--
Sun, May 06, 1990
3649.50
-0.02
17,154,000
8450
9760
84.0
52.0
--
Sat, May 05, 1990
3649.52
0.01
17,156,482
9989
8700
85.0
59.0
--
Fri, May 04, 1990
3649.51
-0.02
17,155,242
9578
9560
86.0
55.0
--
Thu, May 03, 1990
3649.53
0.01
17,157,724
8721
8960
76.0
45.0
--
Wed, May 02, 1990
3649.52
0.02
17,156,482
8187
10600
65.0
48.0
--
Averages of List
3649.12
-0.04
17,106,822
8400
10265
83.8
55.2
--


Averages for May 12th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3626.54
0.23
15,042,202
25715
13550
80.6
53.3
61.3
All-Time
3615.59
0.25
14,213,804
25568
13007
72.2
48.3
62.9


All Lake Powell water data for May 12th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon May 12, 2025
3557.97
7,643,700
9969
9691
86.3
51.6
--
Sun May 12, 2024
3561.94
7,925,086
13874
8511
76.7
52.0
--
Fri May 12, 2023
3536.04
6,202,305
53643
17659
75.6
54.5
65.0
Thu May 12, 2022
3523.71
5,847,681
22022
9871
70.0
48.0
61.0
Wed May 12, 2021
3560.98
8,397,749
8425
11020
83.0
53.0
62.0
Tue May 12, 2020
3600.94
11,839,972
17794
10569
84.0
61.0
64.0
Sun May 12, 2019
3576.80
9,667,880
29029
10819
80.0
52.0
64.0
Sat May 12, 2018
3609.31
12,660,971
9988
8973
74.0
64.0
63.0
Fri May 12, 2017
3607.90
12,520,080
37188
10738
87.0
57.0
63.0
Thu May 12, 2016
3593.61
11,150,474
27240
11760
82.9
53.1
60.0
Tue May 12, 2015
3590.80
10,893,082
22051
11746
81.0
52.0
62.0
Mon May 12, 2014
3580.83
10,010,806
30305
8395
64.9
45.0
57.0
Sun May 12, 2013
3596.14
11,385,502
11411
8948
87.1
60.1
64.0
Sat May 12, 2012
3635.95
15,529,918
13633
9289
86.0
60.1
64.0
Thu May 12, 2011
3614.36
13,174,179
35869
14457
80.1
n/a
61.0
Wed May 12, 2010
3621.43
13,915,333
14195
9975
63.0
42.1
55.0
Tue May 12, 2009
3615.62
13,304,322
35663
10298
90.0
66.0
61.0
Mon May 12, 2008
3597.94
11,554,603
31888
12875
80.1
45.0
61.0
Sat May 12, 2007
3603.10
12,048,317
20847
9503
93.9
64.0
64.0
Fri May 12, 2006
3596.57
11,425,763
22869
9891
90.0
55.0
64.0
Thu May 12, 2005
3567.52
8,908,127
26985
10365
73.0
45.0
59.0
Wed May 12, 2004
3583.65
10,255,448
18073
10158
71.1
53.1
59.0
Mon May 12, 2003
3605.31
12,264,017
10141
9886
82.0
51.1
56.0
Sun May 12, 2002
3645.09
16,612,289
7195
9323
75.0
52.0
59.0
Sat May 12, 2001
3663.73
18,985,976
15301
10104
89.1
62.1
--
Fri May 12, 2000
3676.48
20,749,944
29917
16971
72.0
39.0
--
Wed May 12, 1999
3678.71
21,070,780
17492
19042
76.0
48.0
--
Tue May 12, 1998
3681.47
21,472,970
45015
16600
78.0
57.0
--
Mon May 12, 1997
3667.50
19,495,078
40103
21100
89.0
61.0
--
Sun May 12, 1996
3674.08
20,408,758
33241
13200
94.0
59.0
--
Fri May 12, 1995
3649.00
17,091,562
25321
11300
80.0
56.0
--
Thu May 12, 1994
3655.17
17,867,834
19782
10900
81.0
50.0
--
Wed May 12, 1993
3628.92
14,732,232
30575
10800
86.0
49.0
--
Tue May 12, 1992
3623.80
14,170,405
25645
10400
89.0
59.0
--
Sun May 12, 1991
3627.31
14,554,106
14969
15200
71.0
46.0
--
Sat May 12, 1990
3649.04
17,096,964
8685
10300
80.0
60.0
--
Fri May 12, 1989
3676.31
20,725,338
12822
8090
63.0
45.0
--
Thu May 12, 1988
3684.61
21,937,906
14214
10500
95.0
53.0
--
Tue May 12, 1987
3688.71
22,555,624
37193
14600
89.0
61.0
--
Mon May 12, 1986
3684.61
21,937,906
49133
47800
n/a
n/a
--
Sun May 12, 1985
3691.19
22,935,250
76316
26300
72.0
54.0
--
Sat May 12, 1984
3673.91
20,415,138
41614
44400
93.0
58.0
--
Thu May 12, 1983
3688.78
22,630,154
42310
19700
75.0
41.0
--
Wed May 12, 1982
3669.56
19,868,208
33977
7930
72.0
41.0
--
Tue May 12, 1981
3677.77
21,059,366
13242
9780
85.0
55.0
--
Mon May 12, 1980
3683.35
21,908,104
50289
9840
75.0
40.0
--
Sat May 12, 1979
3651.78
17,603,966
36859
5660
n/a
n/a
--
Fri May 12, 1978
3628.76
14,881,294
19645
9810
n/a
58.0
--
Thu May 12, 1977
3653.13
17,831,008
8607
2840
82.0
43.0
--
Wed May 12, 1976
3664.72
19,385,202
21851
17500
85.0
61.0
--
Mon May 12, 1975
3648.24
17,267,624
16244
15600
87.0
58.0
--
Sun May 12, 1974
3656.17
18,306,806
42457
11100
92.0
56.0
--
Sat May 12, 1973
3597.22
11,710,483
36761
6890
81.0
65.0
--
Fri May 12, 1972
3609.78
12,975,506
14891
17800
79.0
53.0
--
Wed May 12, 1971
3604.52
12,462,989
26272
17700
79.0
58.0
--
Tue May 12, 1970
3568.42
9,206,683
27899
15100
85.0
53.0
--
Mon May 12, 1969
3558.62
8,440,190
34859
14300
86.0
55.0
--
Sun May 12, 1968
3515.58
5,517,005
24223
10200
75.0
38.0
--
Fri May 12, 1967
3504.30
4,873,596
5277
16000
77.0
45.0
--
Thu May 12, 1966
3541.57
7,221,293
33320
14600
68.0
43.0
--
Wed May 12, 1965
3491.35
4,189,992
29576
22700
75.0
53.0
--
Tue May 12, 1964
3395.00
575,000
7554
1060
83.0
53.0
--
Sun May 12, 1963
17038
1000
75.0
45.0
--



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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 2.285 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