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 May 12, 1978

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon, May 22, 1978
3631.90
0.44
15,236,956
37212
11300
85.0
46.0
--
Sun, May 21, 1978
3631.46
0.47
15,186,949
33075
6430
85.0
64.0
--
Sat, May 20, 1978
3630.99
0.56
15,133,529
35555
6840
85.0
58.0
--
Fri, May 19, 1978
3630.43
0.45
15,069,869
32291
8300
n/a
52.0
--
Thu, May 18, 1978
3629.98
0.34
15,018,745
27448
10500
n/a
46.0
--
Wed, May 17, 1978
3629.64
0.24
14,980,428
22116
11400
n/a
47.0
--
Tue, May 16, 1978
3629.40
0.20
14,953,389
19106
9320
n/a
67.0
--
Mon, May 15, 1978
3629.20
0.09
14,930,861
18175
11000
n/a
52.0
--
Sun, May 14, 1978
3629.11
0.17
14,920,739
18292
7120
n/a
54.0
--
Sat, May 13, 1978
3628.94
0.18
14,901,566
19341
7550
n/a
53.0
--
Fri, May 12, 1978
3628.76
0.19
14,881,294
19645
9810
n/a
58.0
--
Thu, May 11, 1978
3628.57
0.12
14,859,895
20165
11200
85.0
46.0
--
Wed, May 10, 1978
3628.45
0.16
14,846,361
20812
10600
n/a
50.0
--
Tue, May 09, 1978
3628.29
0.15
14,828,344
20086
11200
n/a
48.0
--
Mon, May 08, 1978
3628.14
0.21
14,811,428
19302
10800
n/a
44.0
--
Sun, May 07, 1978
3627.93
0.17
14,787,865
19135
6860
n/a
40.0
--
Sat, May 06, 1978
3627.76
0.26
14,768,948
19381
8030
65.0
39.0
--
Fri, May 05, 1978
3627.50
-0.10
14,740,000
19763
12700
75.0
45.0
--
Thu, May 04, 1978
3627.60
0.27
14,751,144
19224
14500
77.0
53.0
--
Wed, May 03, 1978
3627.33
0.09
14,721,082
18430
11900
80.0
55.0
--
Tue, May 02, 1978
3627.24
0.09
14,711,052
18136
10400
69.0
48.0
--
Averages of List
3628.98
0.23
14,906,688
22700
9893
78.4
50.7
--


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 2.424 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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powell Water Database