Lake Powell Water Database



The earliest data is from Thursday, March 14th, 1963
The most recent data is from Friday, September 13th, 2019

Days where outflow from Lake Powell was 8400.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat, May 28, 1994
3660.11
18507014
29840
8400
88.0
59.0
--
Wed, Oct 10, 1990
3637.34
15691450
6862
8400
69.0
45.0
--
Mon, Oct 31, 1988
3684.19
21875302
6098
8400
73.0
47.0
--
Mon, Sep 05, 1988
3687.83
22421342
8665
8400
94.0
56.0
--
Wed, Oct 21, 1987
3687.36
22350376
9250
8400
73.0
45.0
--
Sun, Oct 18, 1981
3672.69
20335640
13702
8400
67.0
45.0
--
Thu, Apr 30, 1981
3677.25
20984286
9438
8400
89.0
59.0
--
Sat, Nov 17, 1979
3674.64
20672802
8245
8400
58.0
35.0
--
Tue, Jun 21, 1977
3654.99
18069782
5924
8400
92.0
67.0
--
Mon, Jan 18, 1971
3599.18
11937120
11249
8400
58.0
30.0
--
Sun, Mar 27, 1966
3536.46
6868343
13160
8400
70.0
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



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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


Water Database