Lake Powell Water Database


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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 09, 1978

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
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
--
Mon, May 01, 1978
3627.15
0.30
14,701,022
17998
8660
67.0
45.0
--
Sun, Apr 30, 1978
3626.85
0.20
14,667,644
18174
8680
72.0
53.0
--
Sat, Apr 29, 1978
3626.65
0.13
14,645,356
16794
11100
77.0
52.0
--
Averages of List
3628.33
0.19
14,833,192
20182
10078
74.1
49.9
--


Averages for May 9th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3625.89
0.21
14,973,034
23970
13211
79.3
53.3
60.9
All-Time
3614.92
0.21
14,142,141
23790
13067
72.4
48.4
63


All Lake Powell water data for May 9th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri May 09, 2025
3557.93
7,640,898
11620
9055
83.4
52.1
--
Thu May 09, 2024
3561.51
7,894,281
15112
10151
63.2
52.5
--
Tue May 09, 2023
3532.90
6,010,777
53517
17553
80.1
54.1
64.0
Mon May 09, 2022
3523.15
5,813,632
13109
9912
76.0
54.0
58.0
Sun May 09, 2021
3561.27
8,419,941
4777
8628
79.0
53.0
61.0
Sat May 09, 2020
3600.35
11,783,493
23404
9964
88.0
59.0
65.0
Thu May 09, 2019
3575.65
9,571,466
27964
12146
60.0
46.0
62.0
Wed May 09, 2018
3609.35
12,664,984
10178
12440
95.0
66.0
64.0
Tue May 09, 2017
3606.47
12,378,261
28974
10778
73.0
54.0
62.0
Mon May 09, 2016
3592.88
11,083,238
19300
11879
78.1
54.0
60.0
Sat May 09, 2015
3590.12
10,831,372
21841
11081
57.0
42.0
62.0
Fri May 09, 2014
3579.62
9,907,017
21890
8491
80.1
53.6
57.0
Thu May 09, 2013
3596.08
11,379,892
13166
10705
66.9
52.0
61.0
Wed May 09, 2012
3635.89
15,522,983
12695
10240
81.0
57.0
63.0
Mon May 09, 2011
3613.04
13,038,736
20591
14952
63.0
44.1
57.0
Sun May 09, 2010
3621.30
13,901,455
14724
9295
82.9
53.1
59.0
Sat May 09, 2009
3614.19
13,156,684
27154
9869
87.1
55.9
59.0
Fri May 09, 2008
3596.77
11,444,512
26909
12911
81.0
54.0
58.0
Wed May 09, 2007
3602.32
11,972,798
23909
10101
84.9
54.0
61.0
Tue May 09, 2006
3595.72
11,346,267
23973
10015
73.0
59.0
61.0
Mon May 09, 2005
3566.25
8,807,395
25310
10364
78.1
53.1
61.0
Sun May 09, 2004
3583.16
10,212,662
14582
9075
88.0
61.0
64.0
Fri May 09, 2003
3605.29
12,262,051
11154
11265
57.9
46.0
56.0
Thu May 09, 2002
3645.23
16,629,270
5507
10378
78.1
46.0
58.0
Wed May 09, 2001
3663.45
18,948,580
18744
10286
89.1
57.9
62.0
Tue May 09, 2000
3675.92
20,669,942
26688
16968
84.0
53.0
--
Sun May 09, 1999
3678.72
21,072,228
21953
16611
81.0
n/a
--
Sat May 09, 1998
3680.29
21,300,332
47661
10700
74.0
52.0
--
Fri May 09, 1997
3666.46
19,353,584
38633
21000
88.0
53.0
64.0
Thu May 09, 1996
3673.33
20,303,004
26154
18000
91.0
57.0
64.0
Tue May 09, 1995
3648.23
16,996,398
24488
11000
73.0
51.0
--
Mon May 09, 1994
3654.79
17,819,332
15734
9860
76.0
56.0
--
Sun May 09, 1993
3627.77
14,604,606
32575
7830
74.0
44.0
--
Sat May 09, 1992
3622.99
14,082,919
20978
9500
85.0
61.0
--
Thu May 09, 1991
3627.52
14,577,202
10058
15200
90.0
64.0
--
Wed May 09, 1990
3649.27
17,125,482
7823
11100
85.0
52.0
--
Tue May 09, 1989
3676.22
20,712,456
9430
9780
96.0
57.0
--
Mon May 09, 1988
3684.41
21,908,076
16744
9570
84.0
50.0
--
Sat May 09, 1987
3687.85
22,424,364
37516
12300
89.0
63.0
--
Fri May 09, 1986
3684.40
21,906,586
54907
40700
68.0
44.0
--
Thu May 09, 1985
3689.19
22,628,872
72934
26300
83.0
62.0
--
Wed May 09, 1984
3673.91
20,415,138
37408
45100
89.0
42.0
--
Mon May 09, 1983
3687.89
22,494,174
35997
17700
85.0
55.0
--
Sun May 09, 1982
3668.61
19,737,250
36751
6500
76.0
50.0
--
Sat May 09, 1981
3677.58
21,031,944
14097
7250
74.0
47.0
--
Fri May 09, 1980
3681.59
21,648,026
44231
10100
n/a
n/a
--
Wed May 09, 1979
3650.35
17,423,776
37065
6370
n/a
n/a
--
Tue May 09, 1978
3628.29
14,828,344
20086
11200
n/a
48.0
--
Mon May 09, 1977
3652.93
17,805,474
8891
2240
82.0
67.0
--
Sun May 09, 1976
3664.44
19,347,118
19047
12000
74.0
49.0
--
Fri May 09, 1975
3648.09
17,248,824
17243
16900
81.0
51.0
--
Thu May 09, 1974
3654.88
18,139,750
32536
14800
94.0
66.0
--
Wed May 09, 1973
3595.19
11,517,735
33673
6980
88.0
38.0
--
Tue May 09, 1972
3609.95
12,992,919
14028
16100
81.0
53.0
--
Sun May 09, 1971
3604.11
12,422,271
19910
12100
71.0
44.0
--
Sat May 09, 1970
3567.32
9,117,257
22694
12900
81.0
53.0
--
Fri May 09, 1969
3556.76
8,297,450
36428
14000
82.0
51.0
--
Thu May 09, 1968
3514.22
5,436,046
22282
12400
79.0
57.0
--
Tue May 09, 1967
3505.33
4,931,340
6454
15500
90.0
60.0
--
Mon May 09, 1966
3540.07
7,116,650
28213
15700
82.0
71.0
--
Sun May 09, 1965
3491.22
4,183,232
38212
35900
68.0
39.0
--
Sat May 09, 1964
3394.80
570,001
8908
12500
72.0
45.0
--
Thu May 09, 1963
10254
1010
86.0
58.0
--



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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 2.582 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