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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 20500.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat, Jul 18, 1998
3696.62
23783258
18092.00
20500.00
104.0
74.0
--
Sat, Jul 11, 1998
3696.96
23837074
24677.00
20500.00
98.0
69.0
--
Fri, Dec 19, 1997
3683.76
21811040
12833.00
20500.00
46.0
26.0
--
Mon, Nov 17, 1997
3686.92
22284042
14980.00
20500.00
52.0
30.0
--
Tue, Sep 16, 1997
3690.04
22758504
14294.00
20500.00
75.0
63.0
--
Sat, Aug 01, 1987
3695.95
23677142
12182.00
20500.00
97.0
68.0
--
Mon, Feb 09, 1987
3678.19
20995542
15803.00
20500.00
59.0
34.0
--
Mon, Jan 19, 1987
3681.23
21437808
14251.00
20500.00
39.0
20.0
--
Tue, Jul 08, 1986
3696.91
23828766
47055.00
20500.00
n/a
n/a
--
Fri, Jul 04, 1986
3695.95
23677142
47922.00
20500.00
100.0
69.0
--
Fri, Apr 29, 1983
3685.63
22153970
32541.00
20500.00
69.0
47.0
--
Fri, Nov 05, 1982
3687.33
22441460
16249.00
20500.00
59.0
34.0
--
Thu, Dec 17, 1981
3668.98
19818406
6927.00
20500.00
52.0
31.0
--
Fri, May 30, 1980
3691.32
23115604
53681.00
20500.00
82.0
56.0
--
Fri, Sep 09, 1977
3640.49
16267051
5525.00
20500.00
99.0
69.0
--
Fri, Sep 02, 1977
3642.04
16452850
6101.00
20500.00
93.0
69.0
--
Thu, Aug 25, 1977
3643.63
16645689
5941.00
20500.00
95.0
70.0
--
Sat, Aug 13, 1977
3646.07
16944628
7722.00
20500.00
97.0
72.0
--
Wed, Mar 21, 1973
3600.81
12057726
12479.00
20500.00
60.0
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



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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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