Lake Powell Water Database


powell
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 19, 1999

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu, Apr 29, 1999
3677.44
0.07
20,887,608
16956
11795
72.0
44.0
--
Wed, Apr 28, 1999
3677.37
0.10
20,877,572
14332
11833
84.0
47.0
--
Tue, Apr 27, 1999
3677.27
0.05
20,863,190
11618
12077
79.0
47.0
--
Mon, Apr 26, 1999
3677.22
0.00
20,856,002
11121
12075
65.0
40.0
--
Sun, Apr 25, 1999
3677.22
-0.01
20,856,002
11122
10450
55.0
40.0
--
Sat, Apr 24, 1999
3677.23
0.03
20,857,440
10563
11741
62.0
39.0
60.0
Fri, Apr 23, 1999
3677.20
-0.03
20,853,128
9917
12079
56.0
39.0
--
Thu, Apr 22, 1999
3677.23
0.03
20,857,440
9524
12076
75.0
49.0
--
Wed, Apr 21, 1999
3677.20
-0.11
20,853,128
9074
12080
83.0
57.0
--
Tue, Apr 20, 1999
3677.31
0.05
20,868,942
9146
12196
83.0
58.0
--
Mon, Apr 19, 1999
3677.26
-0.03
20,861,752
9522
12084
82.0
46.0
--
Sun, Apr 18, 1999
3677.29
-0.02
20,866,066
9685
10448
72.0
56.0
--
Sat, Apr 17, 1999
3677.31
-0.02
20,868,942
9591
11639
68.0
49.0
--
Fri, Apr 16, 1999
3677.33
-0.06
20,871,818
8925
13520
65.0
38.0
57.5
Thu, Apr 15, 1999
3677.39
-0.06
20,880,414
8814
13531
74.0
41.0
--
Wed, Apr 14, 1999
3677.45
-0.02
20,889,046
8983
12338
77.0
44.0
--
Tue, Apr 13, 1999
3677.47
-0.07
20,891,924
9301
12168
70.0
48.0
--
Mon, Apr 12, 1999
3677.54
-0.05
20,902,002
9679
12093
65.0
28.0
--
Sun, Apr 11, 1999
3677.59
0.02
20,909,200
10169
10438
64.0
28.0
--
Sat, Apr 10, 1999
3677.57
0.01
20,906,320
10662
11706
52.0
28.0
--
Fri, Apr 09, 1999
3677.56
-0.03
20,904,880
11033
11490
62.0
30.0
55.5
Averages of List
3677.35
-0.01
20,875,372
10464
11898
69.8
42.7
57.7


Averages for April 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3623.39
0.06
14,699,308
14770
12179
72.4
46.1
56.1
All-Time
3612.69
0.04
13,884,117
14434
12262
72.3
48.3
62.7


All Lake Powell water data for April 19th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat Apr 19, 2025
3558.25
7,663,332
11891
9735
58.3
35.4
--
Fri Apr 19, 2024
3558.29
7,666,139
13207
10287
75.2
56.8
--
Wed Apr 19, 2023
3522.89
5,424,268
33277
12415
60.6
48.7
--
Tue Apr 19, 2022
3522.54
5,776,681
6636
8743
82.0
57.0
56.0
Mon Apr 19, 2021
3564.10
8,638,648
9403
11236
76.0
44.0
57.0
Sun Apr 19, 2020
3599.96
11,746,260
11345
9404
71.0
46.0
55.0
Fri Apr 19, 2019
3568.76
9,007,231
12473
12608
83.0
50.0
56.0
Thu Apr 19, 2018
3610.46
12,776,658
7235
12317
75.0
45.0
54.0
Wed Apr 19, 2017
3600.50
11,797,834
26426
10950
78.0
57.0
59.0
Tue Apr 19, 2016
3591.35
10,943,159
16425
11597
73.9
45.0
58.0
Sun Apr 19, 2015
3590.59
10,874,001
6535
9144
75.0
51.0
56.0
Sat Apr 19, 2014
3574.78
9,498,951
12697
7854
73.9
55.9
57.0
Fri Apr 19, 2013
3597.32
11,496,183
5240
9476
66.0
37.0
54.0
Thu Apr 19, 2012
3635.92
15,526,451
9948
10711
82.0
57.9
56.0
Tue Apr 19, 2011
3610.00
12,730,300
15454
13937
75.2
51.1
54.0
Mon Apr 19, 2010
3618.78
13,634,394
13435
10366
78.1
53.1
58.0
Sun Apr 19, 2009
3609.74
12,704,147
10865
9810
73.9
46.9
55.0
Sat Apr 19, 2008
3591.56
10,962,324
16806
11803
79.0
46.0
53.0
Thu Apr 19, 2007
3600.04
11,753,895
10757
10386
60.1
36.0
55.0
Wed Apr 19, 2006
3589.99
10,819,599
20197
10319
62.1
37.0
55.0
Tue Apr 19, 2005
3557.48
8,132,975
19226
7247
69.1
44.1
60.0
Mon Apr 19, 2004
3583.23
10,218,773
10259
11233
66.0
44.1
59.0
Sat Apr 19, 2003
3605.52
12,284,644
7014
10483
64.0
37.9
--
Fri Apr 19, 2002
3646.53
16,787,654
6819
10484
70.0
41.0
53.0
Thu Apr 19, 2001
3662.48
18,819,490
7501
10598
79.0
64.0
57.0
Wed Apr 19, 2000
3676.24
20,715,634
14478
17018
65.0
38.0
--
Mon Apr 19, 1999
3677.26
20,861,752
9522
12084
82.0
46.0
--
Sun Apr 19, 1998
3674.83
20,514,928
19182
8790
66.0
36.0
--
Sat Apr 19, 1997
3663.31
18,929,920
18040
21200
83.0
49.0
--
Fri Apr 19, 1996
3672.45
20,179,432
20384
18200
69.0
36.0
58.0
Wed Apr 19, 1995
3645.65
16,680,309
12464
11800
55.0
37.0
--
Tue Apr 19, 1994
3653.72
17,683,210
6916
12400
89.0
58.0
--
Mon Apr 19, 1993
3620.57
13,823,720
18611
10800
76.0
43.0
--
Sun Apr 19, 1992
3620.08
13,771,528
15157
7840
69.0
47.0
--
Fri Apr 19, 1991
3627.22
14,544,197
7993
5680
70.0
44.0
--
Thu Apr 19, 1990
3649.85
17,197,412
5597
11000
82.0
45.0
--
Wed Apr 19, 1989
3674.91
20,526,208
11275
9760
87.0
57.0
--
Tue Apr 19, 1988
3682.30
21,595,108
16147
11800
71.0
44.0
--
Sun Apr 19, 1987
3681.76
21,515,722
25909
13100
79.0
51.0
--
Sat Apr 19, 1986
3681.49
21,476,028
28574
29100
65.0
42.0
--
Fri Apr 19, 1985
3680.29
21,300,346
48546
23300
62.0
43.0
--
Thu Apr 19, 1984
3672.99
20,286,206
24920
26800
76.0
46.0
--
Tue Apr 19, 1983
3684.85
22,037,064
14891
18500
70.0
42.0
--
Mon Apr 19, 1982
3664.21
19,138,774
18354
9680
70.0
38.0
--
Sun Apr 19, 1981
3677.41
21,007,374
6607
6060
65.0
46.0
--
Sat Apr 19, 1980
3674.75
20,657,666
14453
9910
n/a
n/a
--
Thu Apr 19, 1979
3640.81
16,253,802
30752
6210
66.0
42.0
--
Wed Apr 19, 1978
3625.41
14,508,090
16946
9370
70.0
43.0
--
Tue Apr 19, 1977
3652.07
17,695,882
6010
6080
84.0
50.0
--
Mon Apr 19, 1976
3664.71
19,383,840
10352
10100
67.0
44.0
--
Sat Apr 19, 1975
3646.38
17,036,360
9734
6880
63.0
38.0
--
Fri Apr 19, 1974
3651.47
17,702,446
10119
12600
77.0
43.0
--
Thu Apr 19, 1973
3592.38
11,253,812
14767
28600
55.0
33.0
--
Wed Apr 19, 1972
3611.51
13,153,966
11108
17400
67.0
39.0
--
Mon Apr 19, 1971
3602.35
12,247,326
22551
16200
72.0
34.0
--
Sun Apr 19, 1970
3568.44
9,208,315
10745
11100
72.0
40.0
--
Sat Apr 19, 1969
3547.62
7,615,876
23350
15200
74.0
45.0
--
Fri Apr 19, 1968
3515.25
5,497,357
9202
16200
63.0
34.0
--
Wed Apr 19, 1967
3509.15
5,148,855
7681
18300
77.0
36.0
--
Tue Apr 19, 1966
3538.97
7,040,031
16347
15100
54.0
40.0
--
Mon Apr 19, 1965
3491.23
4,183,752
14073
13500
83.0
51.0
--
Sun Apr 19, 1964
3402.00
759,000
6384
10700
67.0
44.0
--
Fri Apr 19, 1963
10133
1010
62.0
35.0
--



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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 2.7 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