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 20, 1975

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Wed, Apr 30, 1975
3647.81
0.13
17,213,940
19173
12500
66.0
42.0
--
Tue, Apr 29, 1975
3647.68
0.08
17,197,782
21637
12400
66.0
39.0
--
Mon, Apr 28, 1975
3647.60
0.26
17,187,870
20153
10100
68.0
22.0
--
Sun, Apr 27, 1975
3647.34
0.22
17,155,584
18611
6300
65.0
47.0
--
Sat, Apr 26, 1975
3647.12
0.18
17,128,272
17194
6480
73.0
29.0
--
Fri, Apr 25, 1975
3646.94
0.14
17,105,900
15757
6430
78.0
n/a
--
Thu, Apr 24, 1975
3646.80
0.11
17,088,530
14149
6460
74.0
46.0
--
Wed, Apr 23, 1975
3646.69
0.10
17,074,858
13844
8750
73.0
47.0
--
Tue, Apr 22, 1975
3646.59
0.02
17,062,460
13939
7330
75.0
54.0
--
Mon, Apr 21, 1975
3646.57
0.06
17,059,974
13378
7540
74.0
47.0
--
Sun, Apr 20, 1975
3646.51
0.13
17,052,516
12265
6090
67.0
44.0
--
Sat, Apr 19, 1975
3646.38
0.08
17,036,360
9734
6880
63.0
38.0
--
Fri, Apr 18, 1975
3646.30
0.04
17,026,446
9467
7430
60.0
n/a
--
Thu, Apr 17, 1975
3646.26
-0.04
17,021,476
9962
7730
68.0
38.0
--
Wed, Apr 16, 1975
3646.30
0.03
17,026,446
10067
8310
73.0
25.0
--
Tue, Apr 15, 1975
3646.27
0.00
17,022,718
10562
8970
74.0
43.0
--
Mon, Apr 14, 1975
3646.27
0.02
17,022,718
9172
8990
69.0
25.0
--
Sun, Apr 13, 1975
3646.25
0.05
17,020,232
9334
6230
62.0
37.0
--
Sat, Apr 12, 1975
3646.20
0.02
17,014,018
8564
7730
53.0
40.0
--
Fri, Apr 11, 1975
3646.18
0.03
17,011,532
9134
9090
60.0
39.0
--
Thu, Apr 10, 1975
3646.15
-0.01
17,007,804
8288
8160
61.0
32.0
--
Averages of List
3646.68
0.08
17,073,211
13066
8090
67.7
38.6
--


Averages for April 20th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3623.46
0.07
14,707,022
14980
12175
72.5
47.4
56.1
All-Time
3612.75
0.06
13,891,130
14748
12184
72.5
48.6
62.4


All Lake Powell water data for April 20th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun Apr 20, 2025
3558.20
7,659,824
7745
9409
71.0
34.2
--
Sat Apr 20, 2024
3558.37
7,671,755
12929
9624
74.9
56.8
--
Thu Apr 20, 2023
3523.47
5,457,279
30564
12412
59.9
41.9
--
Wed Apr 20, 2022
3522.47
5,772,450
6643
8749
80.0
55.0
55.0
Tue Apr 20, 2021
3563.93
8,625,400
4488
11412
67.0
50.0
58.0
Mon Apr 20, 2020
3599.88
11,738,632
7081
10851
72.0
52.0
55.0
Sat Apr 20, 2019
3568.79
9,009,637
13575
11963
79.0
56.0
56.0
Fri Apr 20, 2018
3610.36
12,766,571
7777
12856
55.0
41.0
54.0
Thu Apr 20, 2017
3600.87
11,833,261
30758
11082
80.0
51.0
57.0
Wed Apr 20, 2016
3591.44
10,951,368
16331
11500
82.0
52.0
58.0
Mon Apr 20, 2015
3590.53
10,868,553
7769
10377
81.0
48.0
57.0
Sun Apr 20, 2014
3574.93
9,511,428
14623
7511
79.0
53.1
57.0
Sat Apr 20, 2013
3597.26
11,490,539
5889
8586
71.1
53.1
54.0
Fri Apr 20, 2012
3635.93
15,527,606
11607
10483
79.0
53.1
56.0
Wed Apr 20, 2011
3610.05
12,735,334
16110
14747
79.0
51.1
54.0
Tue Apr 20, 2010
3618.96
13,653,354
15862
9407
77.0
52.0
60.0
Mon Apr 20, 2009
3609.79
12,709,173
10933
10413
81.0
48.9
54.0
Sun Apr 20, 2008
3591.67
10,972,356
15417
11059
73.0
51.1
53.0
Fri Apr 20, 2007
3600.04
11,753,895
10203
10402
63.0
41.0
55.0
Thu Apr 20, 2006
3590.28
10,845,874
20078
10322
70.0
42.1
56.0
Wed Apr 20, 2005
3557.93
8,166,709
21124
7283
63.0
41.0
58.0
Tue Apr 20, 2004
3583.20
10,216,153
9614
11318
71.1
45.0
58.0
Sun Apr 20, 2003
3605.53
12,285,628
7273
7561
69.1
42.1
--
Sat Apr 20, 2002
3646.54
16,788,878
7091
9552
59.0
43.0
56.0
Fri Apr 20, 2001
3662.40
18,808,864
7851
10671
64.9
52.0
53.0
Thu Apr 20, 2000
3676.20
20,709,914
14221
16998
73.0
44.0
60.0
Tue Apr 20, 1999
3677.31
20,868,942
9146
12196
83.0
58.0
--
Mon Apr 20, 1998
3674.92
20,527,672
19905
13900
70.0
47.0
--
Sun Apr 20, 1997
3663.35
18,935,258
19991
21100
82.0
54.0
--
Sat Apr 20, 1996
3672.48
20,183,638
19449
18300
63.0
45.0
--
Thu Apr 20, 1995
3645.69
16,685,182
12445
11600
60.0
41.0
--
Wed Apr 20, 1994
3653.66
17,675,592
7306
12300
88.0
58.0
--
Tue Apr 20, 1993
3620.76
13,843,917
19220
11000
73.0
41.0
--
Mon Apr 20, 1992
3620.23
13,787,493
16328
9890
73.0
43.0
--
Sat Apr 20, 1991
3627.20
14,541,995
8316
5120
80.0
47.0
--
Fri Apr 20, 1990
3649.77
17,187,482
5587
10800
77.0
46.0
--
Thu Apr 20, 1989
3674.96
20,533,314
11551
8230
91.0
57.0
--
Wed Apr 20, 1988
3682.35
21,602,464
14958
11000
72.0
41.0
--
Mon Apr 20, 1987
3682.07
21,561,300
29240
14400
68.0
41.0
--
Sun Apr 20, 1986
3681.56
21,486,328
28945
26000
73.0
46.0
--
Sat Apr 20, 1985
3680.80
21,374,808
49906
23400
65.0
43.0
--
Fri Apr 20, 1984
3673.11
20,303,050
27413
27400
61.0
44.0
--
Wed Apr 20, 1983
3684.86
22,038,558
15500
17100
69.0
49.0
--
Tue Apr 20, 1982
3664.26
19,145,530
18202
10200
68.0
36.0
--
Mon Apr 20, 1981
3677.38
21,003,038
7150
7390
73.0
46.0
--
Sun Apr 20, 1980
3674.91
20,680,450
15567
6750
n/a
n/a
--
Fri Apr 20, 1979
3641.31
16,313,552
33074
6260
70.0
45.0
--
Thu Apr 20, 1978
3625.54
14,522,404
16375
10300
80.0
45.0
--
Wed Apr 20, 1977
3652.09
17,698,434
6054
3570
73.0
45.0
--
Tue Apr 20, 1976
3664.69
19,381,118
10657
12700
70.0
47.0
--
Sun Apr 20, 1975
3646.51
17,052,516
12265
6090
67.0
44.0
--
Sat Apr 20, 1974
3651.51
17,707,534
10357
8210
71.0
52.0
--
Fri Apr 20, 1973
3592.24
11,240,782
15814
27500
58.0
34.0
--
Thu Apr 20, 1972
3611.33
13,135,313
11310
19500
67.0
38.0
--
Tue Apr 20, 1971
3602.51
12,263,158
23264
17500
68.0
46.0
--
Mon Apr 20, 1970
3568.36
9,201,803
11232
14200
68.0
36.0
--
Sun Apr 20, 1969
3547.94
7,639,033
22560
13100
81.0
47.0
--
Sat Apr 20, 1968
3515.16
5,491,995
10029
14600
66.0
42.0
--
Thu Apr 20, 1967
3508.80
5,128,689
7515
17500
58.0
34.0
--
Wed Apr 20, 1966
3539.00
7,042,095
16670
14800
55.0
32.0
--
Tue Apr 20, 1965
3491.24
4,184,272
15881
15300
84.0
56.0
--
Mon Apr 20, 1964
3401.70
750,899
7632
10800
72.0
43.0
--
Sat Apr 20, 1963
8735
1010
69.0
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 2.3 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