Lake Powell Water Database



The earliest data is from Thursday, March 14th, 1963
The most recent data is from Wednesday, August 21st, 2019

Days where outflow from Lake Powell was 21000.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat, Aug 08, 1998
3694.43
23438530
15719
21000
102.0
72.0
--
Thu, Jul 16, 1998
3696.80
23811740
20680
21000
106.0
74.0
--
Wed, Jul 15, 1998
3696.86
23821252
21627
21000
103.0
73.0
--
Fri, Jul 10, 1998
3696.98
23840246
25474
21000
96.0
69.0
77.0
Thu, Jul 09, 1998
3696.94
23833902
26121
21000
96.0
72.0
--
Wed, Jul 08, 1998
3697.00
23843420
27403
21000
98.0
68.0
--
Tue, Dec 16, 1997
3684.09
21860096
12953
21000
48.0
24.0
--
Fri, Dec 12, 1997
3684.58
21933068
13824
21000
45.0
21.0
--
Fri, Oct 31, 1997
3688.70
22553820
15744
21000
70.0
41.0
--
Thu, Oct 30, 1997
3688.78
22566014
15744
21000
65.0
43.0
62.5
Thu, Sep 04, 1997
3690.82
22878270
13419
21000
81.0
62.0
--
Sun, Aug 17, 1997
3692.37
23117632
18257
21000
98.0
70.0
--
Wed, Aug 06, 1997
3693.11
23232546
16928
21000
95.0
72.0
--
Fri, Aug 01, 1997
3693.40
23277660
15335
21000
92.0
64.0
78.0
Sat, May 24, 1997
3674.19
20424284
68228
21000
85.0
65.0
--
Thu, May 22, 1997
3672.72
20217282
64091
21000
83.0
53.0
--
Tue, May 20, 1997
3671.48
20043904
60729
21000
88.0
56.0
--
Sun, May 18, 1997
3670.28
19877206
55955
21000
91.0
64.0
--
Tue, May 13, 1997
3667.89
19548326
42642
21000
92.0
57.0
--
Sun, May 11, 1997
3667.10
19440578
38927
21000
87.0
58.0
--
Sat, May 10, 1997
3666.76
19394324
39368
21000
86.0
53.0
--
Fri, May 09, 1997
3666.46
19353584
38633
21000
88.0
53.0
64.0
Thu, May 08, 1997
3666.20
19318336
37094
21000
90.0
56.0
--
Mon, May 05, 1997
3665.64
19242580
31232
21000
88.0
57.0
--
Wed, Apr 30, 1997
3664.64
19107890
27917
21000
87.0
50.0
--
Tue, Apr 29, 1997
3664.49
19087764
27603
21000
84.0
52.0
--
Sat, Apr 26, 1997
3664.06
19030132
27393
21000
73.0
47.0
--
Thu, Apr 24, 1997
3663.76
18989990
26908
21000
57.0
42.0
--
Fri, Apr 18, 1997
3663.33
18932588
17574
21000
79.0
50.0
59.0
Thu, Apr 17, 1997
3663.37
18937928
17660
21000
82.0
48.0
--
Wed, Jul 29, 1987
3696.37
23743478
9658
21000
89.0
64.0
--
Mon, Jun 22, 1987
3698.41
24067586
29804
21000
96.0
67.0
--
Sat, Nov 22, 1986
3688.48
22520438
21813
21000
57.0
45.0
--
Wed, Jul 02, 1986
3695.48
23603356
50267
21000
n/a
n/a
--
Thu, Feb 13, 1986
3684.04
21852966
14058
21000
58.0
41.0
--
Sat, Apr 06, 1985
3676.72
20783956
20981
21000
78.0
51.0
--
Tue, Sep 05, 1978
3644.81
16763431
4867
21000
98.0
62.0
--
Tue, Jan 11, 1977
3654.22
17970578
8563
21000
37.0
17.0
--
Thu, Jul 03, 1975
3669.81
20114514
49828
21000
92.0
69.0
--
Sun, Aug 18, 1974
3659.26
18712504
6580
21000
97.0
71.0
--
Tue, Jul 02, 1974
3667.16
19777952
22631
21000
101.0
68.0
--


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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



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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 - 2019


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