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 01, 1966

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Wed, May 11, 1966
3541.11
0.60
7,189,205
32605
13800
73.0
50.0
--
Tue, May 10, 1966
3540.51
0.44
7,147,341
30821
15600
79.0
54.0
--
Mon, May 09, 1966
3540.07
0.29
7,116,650
28213
15700
82.0
71.0
--
Sun, May 08, 1966
3539.78
0.37
7,096,437
24958
15000
87.0
60.0
--
Sat, May 07, 1966
3539.41
0.20
7,070,653
23841
15400
89.0
62.0
--
Fri, May 06, 1966
3539.21
0.13
7,056,723
23468
16100
91.0
59.0
--
Thu, May 05, 1966
3539.08
0.10
7,047,674
23204
17200
88.0
55.0
--
Wed, May 04, 1966
3538.98
0.06
7,040,719
21312
17500
85.0
53.0
--
Tue, May 03, 1966
3538.92
0.02
7,036,589
19322
18000
84.0
54.0
--
Mon, May 02, 1966
3538.90
-0.03
7,035,213
18008
17600
86.0
51.0
--
Sun, May 01, 1966
3538.93
-0.05
7,037,278
17881
17300
84.0
52.0
--
Sat, Apr 30, 1966
3538.98
-0.07
7,040,719
16746
18100
82.0
53.0
--
Fri, Apr 29, 1966
3539.05
-0.07
7,045,582
16090
17500
81.0
52.0
--
Thu, Apr 28, 1966
3539.12
-0.10
7,050,463
15871
16400
79.0
43.0
--
Wed, Apr 27, 1966
3539.22
-0.08
7,057,420
16509
16600
71.0
45.0
--
Tue, Apr 26, 1966
3539.30
0.01
7,062,999
17137
14700
86.0
49.0
--
Mon, Apr 25, 1966
3539.29
0.08
7,062,301
16889
14300
83.0
48.0
--
Sun, Apr 24, 1966
3539.21
0.12
7,056,723
16223
11700
76.0
47.0
--
Sat, Apr 23, 1966
3539.09
0.03
7,048,371
16594
12400
72.0
43.0
--
Fri, Apr 22, 1966
3539.06
0.03
7,046,279
16842
13700
70.0
46.0
--
Thu, Apr 21, 1966
3539.03
0.03
7,044,187
16975
15200
67.0
39.0
--
Averages of List
3539.35
0.1
7,066,168
20453
15705
80.7
51.7
--


Averages for May 1st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3624.52
0.13
14,823,312
19146
12019
75.9
50.2
58.6
All-Time
3613.63
0.11
13,998,098
19006
12574
72.3
48.4
62.6


All Lake Powell water data for May 1st

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu May 01, 2025
3557.85
7,635,296
8022
9650
72.9
46.6
--
Wed May 01, 2024
3560.15
7,797,386
23160
10142
74.3
59.1
--
Mon May 01, 2023
3525.36
5,565,664
29243
17432
80.1
62.1
62.0
Sun May 01, 2022
3522.71
5,786,964
7552
9307
81.0
52.0
59.0
Sat May 01, 2021
3562.26
8,496,009
4547
8842
88.0
61.0
59.0
Fri May 01, 2020
3599.27
11,680,572
8035
10187
92.0
63.0
63.0
Wed May 01, 2019
3571.65
9,241,099
35885
12016
65.0
46.0
60.0
Tue May 01, 2018
3609.29
12,658,966
7463
12456
66.0
52.0
59.0
Mon May 01, 2017
3604.41
12,175,857
25731
10924
79.0
48.0
57.0
Sun May 01, 2016
3592.26
11,026,337
17519
10123
55.9
46.9
58.0
Fri May 01, 2015
3590.09
10,828,654
7914
11947
74.0
48.0
63.0
Thu May 01, 2014
3577.84
9,755,624
21658
8397
72.0
46.0
57.0
Wed May 01, 2013
3596.36
11,406,086
2524
10767
72.0
53.1
60.0
Tue May 01, 2012
3635.78
15,510,275
11893
10068
82.9
60.1
61.0
Sun May 01, 2011
3612.03
12,935,722
22069
14304
59.0
41.0
55.0
Sat May 01, 2010
3620.62
13,829,028
18773
9782
64.0
43.0
57.0
Fri May 01, 2009
3611.51
12,882,895
22827
10333
84.0
55.0
57.0
Thu May 01, 2008
3594.37
11,220,759
25039
12948
57.0
39.0
54.0
Tue May 01, 2007
3600.42
11,790,177
10921
10126
82.0
62.1
62.0
Mon May 01, 2006
3593.33
11,124,662
23802
10027
82.0
53.1
61.0
Sun May 01, 2005
3563.21
8,569,446
24629
8948
66.0
48.9
58.0
Sat May 01, 2004
3582.91
10,190,876
8306
9267
72.0
46.0
58.0
Thu May 01, 2003
3605.05
12,238,505
10089
11310
69.1
46.0
53.0
Wed May 01, 2002
3645.80
16,698,588
6485
10095
69.1
48.9
55.0
Tue May 01, 2001
3662.57
18,831,450
16525
10330
89.1
55.9
60.0
Mon May 01, 2000
3676.02
20,684,224
18872
16292
84.0
49.0
--
Sat May 01, 1999
3677.61
20,912,082
17299
11326
62.0
36.0
--
Fri May 01, 1998
3676.73
20,785,730
29291
14900
81.0
53.0
--
Thu May 01, 1997
3664.89
19,141,494
30938
21200
80.0
49.0
--
Wed May 01, 1996
3672.57
20,196,262
21213
18300
87.0
57.0
--
Mon May 01, 1995
3646.58
16,793,774
15988
10900
79.0
52.0
--
Sun May 01, 1994
3654.12
17,734,026
15998
7750
68.0
51.0
--
Sat May 01, 1993
3624.18
14,211,307
30840
8870
79.0
47.0
--
Fri May 01, 1992
3621.51
13,923,816
15499
10200
92.0
56.0
--
Wed May 01, 1991
3627.59
14,584,910
9754
9840
82.0
41.0
--
Tue May 01, 1990
3649.50
17,154,000
8339
9210
57.0
44.0
--
Mon May 01, 1989
3675.98
20,678,158
15008
7110
79.0
49.0
--
Sun May 01, 1988
3683.71
21,803,784
14038
7230
79.0
39.0
--
Fri May 01, 1987
3684.81
21,967,698
40281
12000
80.0
56.0
--
Thu May 01, 1986
3682.18
21,577,450
36153
27700
84.0
54.0
--
Wed May 01, 1985
3685.04
22,002,006
49505
20000
86.0
57.0
--
Tue May 01, 1984
3674.23
20,460,442
31487
25200
75.0
36.0
--
Sun May 01, 1983
3686.11
22,226,060
31615
15400
60.0
42.0
--
Sat May 01, 1982
3665.78
19,350,622
19469
8890
80.0
52.0
--
Fri May 01, 1981
3677.25
20,984,286
9382
8800
91.0
58.0
--
Thu May 01, 1980
3678.06
21,132,450
39359
14100
n/a
n/a
--
Tue May 01, 1979
3646.74
16,974,102
37742
6320
n/a
n/a
--
Mon May 01, 1978
3627.15
14,701,022
17998
8660
67.0
45.0
--
Sun May 01, 1977
3652.64
17,768,508
5617
1170
84.0
58.0
--
Sat May 01, 1976
3664.15
19,307,672
12724
15600
76.0
48.0
--
Thu May 01, 1975
3647.84
17,217,668
19077
16700
69.0
40.0
--
Wed May 01, 1974
3652.64
17,851,594
23164
8970
85.0
47.0
--
Tue May 01, 1973
3590.77
11,104,392
25998
27700
66.0
46.0
--
Mon May 01, 1972
3610.41
13,040,288
10661
15800
77.0
48.0
--
Sat May 01, 1971
3603.67
12,378,435
17857
14600
83.0
49.0
--
Fri May 01, 1970
3566.62
9,060,461
15734
16400
62.0
42.0
--
Thu May 01, 1969
3552.95
8,008,556
32693
15100
84.0
53.0
--
Wed May 01, 1968
3513.87
5,415,339
10225
16200
83.0
51.0
--
Mon May 01, 1967
3507.03
5,027,630
5915
13200
59.0
33.0
--
Sun May 01, 1966
3538.93
7,037,278
17881
17300
84.0
52.0
--
Sat May 01, 1965
3490.97
4,170,245
29968
25500
91.0
55.0
--
Fri May 01, 1964
3397.40
637,397
7179
17000
76.0
45.0
--
Wed May 01, 1963
6001
1020
83.0
53.0
--



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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 2.721 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