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The earliest data is from
The most recent data is from Monday, September 18th, 2017

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
15719.00
21000.00
102.0
72.0
--
Thu, Jul 16, 1998
3696.80
23811740
20680.00
21000.00
106.0
74.0
--
Wed, Jul 15, 1998
3696.86
23821252
21627.00
21000.00
103.0
73.0
--
Fri, Jul 10, 1998
3696.98
23840246
25474.00
21000.00
96.0
69.0
77.0
Thu, Jul 09, 1998
3696.94
23833902
26121.00
21000.00
96.0
72.0
--
Wed, Jul 08, 1998
3697.00
23843420
27403.00
21000.00
98.0
68.0
--
Tue, Dec 16, 1997
3684.09
21860096
12953.00
21000.00
48.0
24.0
--
Fri, Dec 12, 1997
3684.58
21933068
13824.00
21000.00
45.0
21.0
--
Fri, Oct 31, 1997
3688.70
22553820
15744.00
21000.00
70.0
41.0
--
Thu, Oct 30, 1997
3688.78
22566014
15744.00
21000.00
65.0
43.0
62.5
Thu, Sep 04, 1997
3690.82
22878270
13419.00
21000.00
81.0
62.0
--
Sun, Aug 17, 1997
3692.37
23117632
18257.00
21000.00
98.0
70.0
--
Wed, Aug 06, 1997
3693.11
23232546
16928.00
21000.00
95.0
72.0
--
Fri, Aug 01, 1997
3693.40
23277660
15335.00
21000.00
92.0
64.0
78.0
Sat, May 24, 1997
3674.19
20424284
68228.00
21000.00
85.0
65.0
--
Thu, May 22, 1997
3672.72
20217282
64091.00
21000.00
83.0
53.0
--
Tue, May 20, 1997
3671.48
20043904
60729.00
21000.00
88.0
56.0
--
Sun, May 18, 1997
3670.28
19877206
55955.00
21000.00
91.0
64.0
--
Tue, May 13, 1997
3667.89
19548326
42642.00
21000.00
92.0
57.0
--
Sun, May 11, 1997
3667.10
19440578
38927.00
21000.00
87.0
58.0
--
Sat, May 10, 1997
3666.76
19394324
39368.00
21000.00
86.0
53.0
--
Fri, May 09, 1997
3666.46
19353584
38633.00
21000.00
88.0
53.0
64.0
Thu, May 08, 1997
3666.20
19318336
37094.00
21000.00
90.0
56.0
--
Mon, May 05, 1997
3665.64
19242580
31232.00
21000.00
88.0
57.0
--
Wed, Apr 30, 1997
3664.64
19107890
27917.00
21000.00
87.0
50.0
--
Tue, Apr 29, 1997
3664.49
19087764
27603.00
21000.00
84.0
52.0
--
Sat, Apr 26, 1997
3664.06
19030132
27393.00
21000.00
73.0
47.0
--
Thu, Apr 24, 1997
3663.76
18989990
26908.00
21000.00
57.0
42.0
--
Fri, Apr 18, 1997
3663.33
18932588
17574.00
21000.00
79.0
50.0
59.0
Thu, Apr 17, 1997
3663.37
18937928
17660.00
21000.00
82.0
48.0
--
Wed, Jul 29, 1987
3696.37
23743478
9658.00
21000.00
89.0
64.0
--
Mon, Jun 22, 1987
3698.41
24067586
29804.00
21000.00
96.0
67.0
--
Sat, Nov 22, 1986
3688.48
22520438
21813.00
21000.00
57.0
45.0
--
Wed, Jul 02, 1986
3695.48
23603356
50267.00
21000.00
n/a
n/a
--
Thu, Feb 13, 1986
3684.04
21852966
14058.00
21000.00
58.0
41.0
--
Sat, Apr 06, 1985
3676.72
20783956
20981.00
21000.00
78.0
51.0
--
Tue, Sep 05, 1978
3644.81
16763431
4867.00
21000.00
98.0
62.0
--
Tue, Jan 11, 1977
3654.22
17970578
8563.00
21000.00
37.0
17.0
--
Thu, Jul 03, 1975
3669.81
20114514
49828.00
21000.00
92.0
69.0
--
Sun, Aug 18, 1974
3659.26
18712504
6580.00
21000.00
97.0
71.0
--
Tue, Jul 02, 1974
3667.16
19777952
22631.00
21000.00
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 - 2017


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