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 Apr 11, 1978

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Apr 21, 1978
3625.60
0.06
14,529,011
15662
12500
80.0
58.0
--
Thu, Apr 20, 1978
3625.54
0.13
14,522,404
16375
10300
80.0
45.0
--
Wed, Apr 19, 1978
3625.41
0.16
14,508,090
16946
9370
70.0
43.0
--
Tue, Apr 18, 1978
3625.25
0.15
14,490,500
17641
10200
66.0
42.0
--
Mon, Apr 17, 1978
3625.10
0.11
14,474,011
18126
9650
65.0
39.0
--
Sun, Apr 16, 1978
3624.99
0.26
14,461,896
17451
8610
78.0
50.0
--
Sat, Apr 15, 1978
3624.73
0.18
14,433,208
15024
7220
77.0
49.0
--
Fri, Apr 14, 1978
3624.55
0.06
14,413,355
13388
7780
78.0
47.0
--
Thu, Apr 13, 1978
3624.49
0.17
14,406,729
14063
8420
79.0
57.0
--
Wed, Apr 12, 1978
3624.32
0.19
14,387,981
15528
7060
78.0
54.0
--
Tue, Apr 11, 1978
3624.13
0.20
14,366,997
15919
6750
78.0
43.0
--
Mon, Apr 10, 1978
3623.93
0.29
14,345,029
14644
7490
63.0
36.0
--
Sun, Apr 09, 1978
3623.64
0.20
14,313,415
12931
7470
51.0
36.0
--
Sat, Apr 08, 1978
3623.44
0.06
14,291,620
12522
6660
53.0
42.0
--
Fri, Apr 07, 1978
3623.38
0.12
14,285,074
12645
6760
74.0
38.0
--
Thu, Apr 06, 1978
3623.26
0.11
14,272,008
12931
7700
72.0
46.0
--
Wed, Apr 05, 1978
3623.15
0.17
14,260,006
14149
7900
73.0
39.0
--
Tue, Apr 04, 1978
3622.98
0.10
14,241,478
13397
7450
73.0
49.0
--
Mon, Apr 03, 1978
3622.88
0.11
14,230,534
10552
6910
64.0
42.0
--
Sun, Apr 02, 1978
3622.77
0.04
14,218,522
9572
7270
63.0
46.0
--
Sat, Apr 01, 1978
3622.73
0.04
14,214,145
9705
7260
77.0
57.0
--
Averages of List
3624.11
0.14
14,365,048
14246
8130
71
45.6
--


Averages for April 11th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3623.13
0.01
14,672,187
11735
12233
71.8
45.1
54.5
All-Time
3612.57
-0.02
13,864,894
11657
12593
72.3
48.3
62.8


All Lake Powell water data for April 11th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri Apr 11, 2025
3558.69
7,694,245
7212
10029
86.0
47.4
--
Thu Apr 11, 2024
3558.35
7,670,351
9572
10473
73.7
52.0
--
Tue Apr 11, 2023
3520.11
5,267,665
8811
10768
80.8
56.8
58.0
Mon Apr 11, 2022
3522.84
5,794,836
5598
8699
75.0
43.0
53.0
Sun Apr 11, 2021
3565.26
8,729,415
7827
10100
79.0
51.0
56.0
Sat Apr 11, 2020
3600.07
11,756,753
4690
10543
70.0
45.0
55.0
Thu Apr 11, 2019
3568.56
8,991,196
14723
12240
59.0
43.0
55.0
Wed Apr 11, 2018
3611.18
12,849,443
6591
12243
87.0
53.0
55.0
Tue Apr 11, 2017
3598.51
11,608,488
20540
10887
72.0
43.0
54.0
Mon Apr 11, 2016
3591.25
10,934,043
8441
11555
69.1
45.0
57.0
Sat Apr 11, 2015
3590.89
10,901,267
6972
9584
75.0
46.0
56.0
Fri Apr 11, 2014
3574.25
9,454,956
6320
8712
81.0
55.0
53.0
Thu Apr 11, 2013
3597.91
11,551,778
5897
9630
64.9
45.0
53.0
Wed Apr 11, 2012
3635.86
15,519,517
16890
10734
73.0
51.1
56.0
Mon Apr 11, 2011
3609.75
12,705,152
14216
15716
62.1
35.1
51.0
Sun Apr 11, 2010
3618.76
13,632,288
7145
9470
79.0
48.9
53.0
Sat Apr 11, 2009
3609.92
12,722,249
7008
9858
57.9
45.0
52.0
Fri Apr 11, 2008
3591.02
10,913,097
12732
10322
60.1
39.9
52.0
Wed Apr 11, 2007
3599.59
11,711,016
13323
10542
60.1
43.0
55.0
Tue Apr 11, 2006
3588.79
10,711,327
10995
10234
69.1
46.9
54.0
Mon Apr 11, 2005
3555.58
7,991,511
13278
7297
64.0
39.0
57.0
Sun Apr 11, 2004
3583.02
10,200,467
11789
9921
62.1
45.0
58.0
Fri Apr 11, 2003
3606.18
12,349,626
5517
10448
77.0
48.9
--
Thu Apr 11, 2002
3647.08
16,854,994
6912
10581
79.0
52.0
--
Wed Apr 11, 2001
3662.63
18,839,396
8752
10585
55.0
35.1
--
Tue Apr 11, 2000
3676.63
20,771,396
11335
16991
69.0
43.0
52.0
Sun Apr 11, 1999
3677.59
20,909,200
10169
10438
64.0
28.0
--
Sat Apr 11, 1998
3674.06
20,405,930
17469
11000
75.0
41.0
--
Fri Apr 11, 1997
3663.45
18,948,580
20133
21100
59.0
36.0
--
Thu Apr 11, 1996
3672.00
20,116,476
16932
18900
82.0
47.0
--
Tue Apr 11, 1995
3645.38
16,647,477
12274
11500
63.0
38.0
--
Mon Apr 11, 1994
3654.13
17,735,268
6654
10800
66.0
35.0
--
Sun Apr 11, 1993
3619.07
13,664,956
18754
7720
71.0
47.0
--
Sat Apr 11, 1992
3619.42
13,701,802
10514
10100
82.0
53.0
--
Thu Apr 11, 1991
3627.17
14,538,691
9201
13500
56.0
34.0
--
Wed Apr 11, 1990
3650.46
17,273,496
5660
14800
76.0
40.0
--
Tue Apr 11, 1989
3674.62
20,485,056
10657
10900
79.0
53.0
--
Mon Apr 11, 1988
3681.82
21,524,550
10914
9810
83.0
41.0
--
Sat Apr 11, 1987
3680.40
21,316,386
19782
13300
76.0
50.0
--
Fri Apr 11, 1986
3681.49
21,476,028
29982
31200
78.0
54.0
--
Thu Apr 11, 1985
3677.40
20,881,586
31685
20400
84.0
53.0
--
Wed Apr 11, 1984
3673.21
20,317,044
18564
24600
73.0
39.0
--
Mon Apr 11, 1983
3685.27
22,099,956
12588
17900
69.0
44.0
--
Sun Apr 11, 1982
3663.55
19,050,392
7907
7880
75.0
50.0
--
Sat Apr 11, 1981
3677.56
21,029,052
5167
6460
80.0
48.0
--
Fri Apr 11, 1980
3675.12
20,710,398
9953
17400
n/a
n/a
--
Wed Apr 11, 1979
3638.21
15,944,880
25072
10200
57.0
43.0
--
Tue Apr 11, 1978
3624.13
14,366,997
15919
6750
78.0
43.0
--
Mon Apr 11, 1977
3651.84
17,666,720
6296
1600
77.0
43.0
--
Sun Apr 11, 1976
3664.74
19,387,924
8181
6360
79.0
44.0
--
Fri Apr 11, 1975
3646.18
17,011,532
9134
9090
60.0
39.0
--
Thu Apr 11, 1974
3651.50
17,706,262
9391
10100
68.0
41.0
--
Wed Apr 11, 1973
3594.50
11,452,536
10714
29900
72.0
47.0
--
Tue Apr 11, 1972
3612.64
13,271,219
7060
15000
81.0
50.0
--
Sun Apr 11, 1971
3602.06
12,218,613
12921
15900
82.0
46.0
--
Sat Apr 11, 1970
3569.34
9,281,984
8520
17000
81.0
57.0
--
Fri Apr 11, 1969
3545.36
7,453,718
21371
14200
78.0
51.0
--
Thu Apr 11, 1968
3517.42
5,627,600
8087
14400
77.0
42.0
--
Tue Apr 11, 1967
3510.52
5,227,907
8780
13700
72.0
40.0
--
Mon Apr 11, 1966
3538.57
7,012,532
17726
14600
75.0
51.0
--
Sun Apr 11, 1965
3491.25
4,184,792
13226
33500
52.0
31.0
--
Sat Apr 11, 1964
3405.30
849,401
5969
12200
75.0
42.0
--
Thu Apr 11, 1963
7992
990
68.0
39.0
--



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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 2.555 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