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 Apr 28, 1978

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
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
--
Fri, Apr 28, 1978
3626.52
0.17
14,630,895
15586
7150
78.0
54.0
--
Thu, Apr 27, 1978
3626.35
0.16
14,611,978
14606
7780
79.0
52.0
--
Wed, Apr 26, 1978
3626.19
0.09
14,594,147
14606
8010
81.0
59.0
--
Tue, Apr 25, 1978
3626.10
0.08
14,584,144
16080
9550
81.0
54.0
--
Mon, Apr 24, 1978
3626.02
0.16
14,575,229
16328
9210
n/a
47.0
--
Sun, Apr 23, 1978
3625.86
0.17
14,557,612
15671
6930
72.0
44.0
--
Sat, Apr 22, 1978
3625.69
0.09
14,538,894
15081
9040
75.0
40.0
--
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
--
Averages of List
3626.60
0.14
14,640,402
17187
9699
74.7
48.2
--


Averages for April 28th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3624.14
0.1
14,781,185
17456
12109
75.8
50.4
58.5
All-Time
3613.33
0.09
13,959,836
17495
12786
72.2
48.3
62.6


All Lake Powell water data for April 28th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon Apr 28, 2025
3558.01
7,646,503
8143
10187
64.5
33.8
--
Sun Apr 28, 2024
3559.41
7,744,999
17851
9146
66.0
47.7
--
Fri Apr 28, 2023
3524.13
5,494,986
22436
11981
68.9
50.5
60.0
Thu Apr 28, 2022
3522.64
5,782,729
6547
6019
81.0
60.0
58.0
Wed Apr 28, 2021
3562.67
8,527,651
2798
10511
73.0
46.0
58.0
Tue Apr 28, 2020
3599.47
11,699,588
9098
10789
72.0
70.0
60.0
Sun Apr 28, 2019
3570.31
9,132,159
25702
11741
85.0
62.0
59.0
Sat Apr 28, 2018
3609.54
12,684,053
5234
11387
87.0
63.0
61.0
Fri Apr 28, 2017
3603.43
12,080,353
23486
10928
59.0
46.0
57.0
Thu Apr 28, 2016
3591.81
10,985,155
12999
11642
57.0
46.0
57.0
Tue Apr 28, 2015
3590.28
10,845,872
8413
10523
72.0
47.0
61.0
Mon Apr 28, 2014
3576.86
9,672,928
24523
8637
64.9
46.0
57.0
Sun Apr 28, 2013
3596.68
11,436,069
5022
7711
84.0
51.8
59.0
Sat Apr 28, 2012
3635.76
15,507,966
11200
9448
73.0
57.9
62.0
Thu Apr 28, 2011
3611.53
12,884,924
25424
15396
75.9
43.0
54.0
Wed Apr 28, 2010
3620.19
13,783,372
17945
9769
78.1
60.1
59.0
Tue Apr 28, 2009
3610.74
12,804,931
20239
10218
75.9
55.9
58.0
Mon Apr 28, 2008
3593.56
11,145,866
25543
13084
78.1
43.0
57.0
Sat Apr 28, 2007
3600.27
11,775,851
11810
9446
84.9
53.1
62.0
Fri Apr 28, 2006
3592.39
11,038,243
20152
10346
79.0
54.0
59.0
Thu Apr 28, 2005
3561.84
8,463,687
27691
7254
62.1
46.0
59.0
Wed Apr 28, 2004
3583.08
10,205,701
8804
11181
82.9
54.0
60.0
Mon Apr 28, 2003
3605.23
12,256,156
7178
10342
77.0
55.0
54.0
Sun Apr 28, 2002
3646.02
16,725,391
4461
9258
73.9
45.0
56.0
Sat Apr 28, 2001
3662.42
18,811,520
10503
10645
82.0
55.0
--
Fri Apr 28, 2000
3675.98
20,678,510
14954
17010
92.0
53.0
--
Wed Apr 28, 1999
3677.37
20,877,572
14332
11833
84.0
47.0
--
Tue Apr 28, 1998
3675.99
20,679,938
25681
13800
71.0
48.0
--
Mon Apr 28, 1997
3664.35
19,068,996
28288
21400
76.0
46.0
--
Sun Apr 28, 1996
3672.45
20,179,432
17473
16600
89.0
46.0
--
Fri Apr 28, 1995
3646.33
16,763,223
14320
11500
81.0
50.0
--
Thu Apr 28, 1994
3653.80
17,693,372
15700
11300
56.0
39.0
--
Wed Apr 28, 1993
3622.93
14,076,202
24025
9870
85.0
53.0
--
Tue Apr 28, 1992
3621.24
13,895,059
13749
9150
92.0
56.0
--
Sun Apr 28, 1991
3627.60
14,586,011
9858
4270
62.0
38.0
--
Sat Apr 28, 1990
3649.61
17,167,654
8345
10100
87.0
59.0
--
Fri Apr 28, 1989
3675.52
20,612,842
16918
8870
67.0
39.0
--
Thu Apr 28, 1988
3683.48
21,769,518
16784
9430
79.0
50.0
--
Tue Apr 28, 1987
3683.84
21,823,174
35063
15600
84.0
60.0
--
Mon Apr 28, 1986
3681.75
21,514,250
33645
28000
83.0
46.0
--
Sun Apr 28, 1985
3683.69
21,800,802
44349
23400
70.0
42.0
--
Sat Apr 28, 1984
3674.00
20,427,762
32941
28100
57.0
41.0
--
Thu Apr 28, 1983
3685.45
22,126,964
30876
19400
75.0
48.0
--
Wed Apr 28, 1982
3665.36
19,293,992
16480
8710
80.0
58.0
--
Tue Apr 28, 1981
3677.23
20,981,396
8558
8970
85.0
58.0
--
Mon Apr 28, 1980
3676.91
20,966,314
31086
16200
81.0
40.0
--
Sat Apr 28, 1979
3645.36
16,804,328
37965
6100
82.0
54.0
--
Fri Apr 28, 1978
3626.52
14,630,895
15586
7150
78.0
54.0
--
Thu Apr 28, 1977
3652.52
17,753,230
6004
4450
83.0
56.0
--
Wed Apr 28, 1976
3664.28
19,325,370
11694
13600
74.0
45.0
--
Mon Apr 28, 1975
3647.60
17,187,870
20153
10100
68.0
22.0
--
Sun Apr 28, 1974
3651.88
17,754,544
16482
7600
70.0
47.0
--
Sat Apr 28, 1973
3590.62
11,090,494
18459
27000
85.0
49.0
--
Fri Apr 28, 1972
3610.51
13,050,603
9552
13100
78.0
44.0
--
Wed Apr 28, 1971
3603.51
12,362,498
18747
17400
73.0
48.0
--
Tue Apr 28, 1970
3566.84
9,078,310
9878
18400
49.0
37.0
--
Mon Apr 28, 1969
3551.64
7,911,011
37232
15400
76.0
42.0
--
Sun Apr 28, 1968
3514.40
5,446,756
11399
12600
69.0
44.0
--
Fri Apr 28, 1967
3507.51
5,054,817
7117
13300
78.0
51.0
--
Thu Apr 28, 1966
3539.12
7,050,463
15871
16400
79.0
43.0
--
Wed Apr 28, 1965
3491.32
4,188,432
35263
40800
73.0
45.0
--
Tue Apr 28, 1964
3399.80
700,601
9819
20000
79.0
49.0
--
Sun Apr 28, 1963
4339
1020
71.0
44.0
--



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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 2.814 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