Lake Powell Water Database


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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 13, 1971

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun, May 23, 1971
3607.48
0.35
12,761,131
30870
10300
73.0
44.0
--
Sat, May 22, 1971
3607.13
0.25
12,725,538
32948
13900
78.0
47.0
--
Fri, May 21, 1971
3606.88
0.35
12,700,201
33977
15400
85.0
65.0
--
Thu, May 20, 1971
3606.53
0.36
12,664,866
32291
14900
83.0
48.0
--
Wed, May 19, 1971
3606.17
0.36
12,628,495
27870
14300
75.0
47.0
--
Tue, May 18, 1971
3605.81
0.21
12,592,213
26370
15200
69.0
45.0
--
Mon, May 17, 1971
3605.60
0.22
12,571,077
26213
14500
83.0
48.0
--
Sun, May 16, 1971
3605.38
0.31
12,548,908
25605
11200
86.0
68.0
--
Sat, May 15, 1971
3605.07
0.20
12,517,720
25204
14200
89.0
60.0
--
Fri, May 14, 1971
3604.87
0.17
12,497,765
24380
15700
86.0
59.0
--
Thu, May 13, 1971
3604.70
0.18
12,480,862
25302
15000
84.0
55.0
--
Wed, May 12, 1971
3604.52
0.17
12,462,989
26272
17700
79.0
58.0
--
Tue, May 11, 1971
3604.35
0.10
12,446,110
25076
18500
78.0
53.0
--
Mon, May 10, 1971
3604.25
0.14
12,436,167
22802
15500
75.0
44.0
--
Sun, May 09, 1971
3604.11
0.32
12,422,271
19910
12100
71.0
44.0
--
Sat, May 08, 1971
3603.79
0.15
12,390,407
18577
12000
72.0
46.0
--
Fri, May 07, 1971
3603.64
0.02
12,375,443
17412
17600
72.0
46.0
--
Thu, May 06, 1971
3603.62
0.00
12,373,472
15155
18000
73.0
51.0
--
Wed, May 05, 1971
3603.62
-0.10
12,373,472
14538
16600
72.0
49.0
--
Tue, May 04, 1971
3603.72
-0.02
12,383,424
16300
16000
84.0
54.0
--
Mon, May 03, 1971
3603.74
-0.04
12,385,419
17422
16600
88.0
51.0
--
Averages of List
3605.00
0.18
12,511,331
24024
15010
78.8
51.5
--


Averages for May 13th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3626.77
0.24
15,067,403
25926
13696
81.5
54.8
61.8
All-Time
3615.85
0.25
14,240,109
25996
13074
72.5
48.6
62.6


All Lake Powell water data for May 13th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue May 13, 2025
3557.96
7,643,000
9603
9707
81.2
50.8
--
Mon May 13, 2024
3562.06
7,933,697
15043
10066
81.5
60.5
--
Sat May 13, 2023
3537.14
6,270,249
54835
17611
78.6
57.4
66.0
Fri May 13, 2022
3524.00
5,865,361
19796
9943
80.0
52.0
62.0
Thu May 13, 2021
3560.88
8,390,106
7328
11170
90.0
58.0
63.0
Wed May 13, 2020
3601.07
11,852,441
17636
10405
83.0
60.0
65.0
Mon May 13, 2019
3577.14
9,696,508
27944
11988
85.0
57.0
65.0
Sun May 13, 2018
3609.40
12,670,000
14361
8976
72.0
53.0
62.0
Sat May 13, 2017
3608.45
12,574,913
40142
9819
82.0
63.0
64.0
Fri May 13, 2016
3594.00
11,186,501
31959
11923
90.0
59.0
64.0
Wed May 13, 2015
3591.08
10,918,558
26027
11745
79.0
57.0
62.0
Tue May 13, 2014
3581.18
10,040,960
25150
8351
64.9
45.0
57.0
Mon May 13, 2013
3596.13
11,384,567
10763
10846
90.0
62.1
64.0
Sun May 13, 2012
3635.96
15,531,074
9786
8589
84.9
60.1
64.0
Fri May 13, 2011
3614.89
13,228,820
36208
14414
82.0
57.0
62.0
Thu May 13, 2010
3621.53
13,926,016
15195
9965
66.9
45.0
56.0
Wed May 13, 2009
3616.18
13,362,432
36614
10076
86.0
63.0
62.0
Tue May 13, 2008
3598.50
11,607,541
32799
12963
66.0
44.1
59.0
Sun May 13, 2007
3603.36
12,073,561
19993
9076
91.9
69.1
64.0
Sat May 13, 2006
3596.84
11,451,087
21870
9507
91.0
64.0
64.0
Fri May 13, 2005
3568.06
8,951,197
29032
10316
75.0
50.0
60.0
Thu May 13, 2004
3583.94
10,280,830
20119
10132
75.0
48.9
58.0
Tue May 13, 2003
3605.28
12,261,069
9977
9028
82.0
62.1
57.0
Mon May 13, 2002
3645.01
16,602,576
6494
10378
81.0
53.1
60.0
Sun May 13, 2001
3663.88
19,006,020
15924
7386
75.9
61.0
--
Sat May 13, 2000
3676.59
20,765,700
27960
16981
77.0
43.0
--
Thu May 13, 1999
3678.75
21,076,574
17220
19132
83.0
59.0
--
Wed May 13, 1998
3681.84
21,527,340
44338
16700
76.0
59.0
--
Tue May 13, 1997
3667.89
19,548,326
42642
21000
92.0
57.0
--
Mon May 13, 1996
3674.33
20,444,102
34604
17500
100.0
60.0
--
Sat May 13, 1995
3649.28
17,126,264
24723
8750
73.0
46.0
--
Fri May 13, 1994
3655.36
17,892,152
19968
11100
81.0
52.0
--
Thu May 13, 1993
3629.26
14,770,131
30281
11100
90.0
52.0
--
Wed May 13, 1992
3624.05
14,197,455
25262
10600
89.0
56.0
--
Mon May 13, 1991
3627.37
14,560,713
16871
15200
82.0
48.0
--
Sun May 13, 1990
3649.08
17,101,930
8774
6770
83.0
59.0
--
Sat May 13, 1989
3676.37
20,733,926
14156
5120
70.0
44.0
--
Fri May 13, 1988
3684.63
21,940,852
13822
11500
93.0
52.0
--
Wed May 13, 1987
3688.99
22,598,468
37134
16600
89.0
61.0
--
Tue May 13, 1986
3684.57
21,931,940
44996
52400
n/a
n/a
--
Mon May 13, 1985
3691.86
23,038,456
75405
26400
68.0
46.0
--
Sun May 13, 1984
3674.05
20,434,872
45584
44700
94.0
58.0
--
Fri May 13, 1983
3689.07
22,674,472
46790
22400
74.0
44.0
--
Thu May 13, 1982
3669.84
19,906,812
30007
7790
74.0
50.0
--
Wed May 13, 1981
3677.73
21,053,586
11552
10200
82.0
54.0
--
Tue May 13, 1980
3683.92
21,993,144
49329
10800
72.0
40.0
--
Sun May 13, 1979
3652.18
17,654,604
35879
5680
n/a
n/a
--
Sat May 13, 1978
3628.94
14,901,566
19341
7550
n/a
53.0
--
Fri May 13, 1977
3653.19
17,838,686
9713
3930
82.0
48.0
--
Thu May 13, 1976
3664.82
19,398,816
22272
17500
83.0
54.0
--
Tue May 13, 1975
3648.30
17,275,158
19194
14800
82.0
55.0
--
Mon May 13, 1974
3656.70
18,376,014
46917
16200
91.0
55.0
--
Sun May 13, 1973
3598.26
11,810,290
46515
5760
84.0
61.0
--
Sat May 13, 1972
3609.80
12,977,557
16275
14100
79.0
56.0
--
Thu May 13, 1971
3604.70
12,480,862
25302
15000
84.0
55.0
--
Wed May 13, 1970
3568.82
9,239,323
29007
15300
85.0
64.0
--
Tue May 13, 1969
3559.10
8,477,420
36006
15500
86.0
57.0
--
Mon May 13, 1968
3515.87
5,534,269
24292
13000
69.0
44.0
--
Sat May 13, 1967
3503.93
4,852,958
6561
15100
68.0
45.0
--
Fri May 13, 1966
3542.09
7,257,665
32350
14000
78.0
50.0
--
Thu May 13, 1965
3491.49
4,197,259
26645
21100
60.0
47.0
--
Wed May 13, 1964
3395.50
588,000
7141
1020
88.0
54.0
--
Mon May 13, 1963
18332
1010
84.0
48.0
--



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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 2.626 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