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

Days where outflow from Lake Powell was 20000 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Mar 31, 1998
3673.12
20,273,474
22384
20000
54.0
33.0
--
Wed, Mar 18, 1998
3673.56
20,335,388
11146
20000
63.0
35.0
--
Tue, Feb 10, 1998
3677.83
20,943,750
11568
20000
n/a
n/a
--
Wed, Jan 14, 1998
3680.84
21,380,680
11418
20000
52.0
32.0
--
Wed, Jan 07, 1998
3681.62
21,495,014
12834
20000
45.0
24.0
--
Fri, Jan 02, 1998
3682.05
21,558,230
12284
20000
52.0
30.0
--
Tue, Dec 09, 1997
3684.97
21,991,264
13334
20000
50.0
29.0
--
Fri, Oct 24, 1997
3689.33
22,649,896
16230
20000
71.0
43.0
64.5
Thu, Oct 16, 1997
3689.81
22,723,280
17657
20000
72.0
43.0
--
Wed, Oct 01, 1997
3690.29
22,796,838
20499
20000
86.0
59.0
--
Mon, Feb 17, 1997
3668.90
19,686,788
10589
20000
57.0
36.0
--
Sun, Feb 16, 1997
3669.03
19,704,682
10436
20000
58.0
32.0
--
Sat, Feb 15, 1997
3669.18
19,725,310
10162
20000
54.0
28.0
--
Fri, Feb 14, 1997
3669.31
19,743,232
10191
20000
52.0
25.0
--
Thu, Feb 13, 1997
3669.45
19,762,510
10419
20000
54.0
29.0
--
Wed, Feb 12, 1997
3669.64
19,788,710
10253
20000
51.0
29.0
--
Tue, Jun 26, 1990
3650.59
17,289,760
12180
20000
106.0
77.0
--
Mon, Sep 14, 1987
3689.90
22,736,786
7786
20000
83.0
51.0
--
Sun, Aug 23, 1987
3692.58
23,149,912
6757
20000
86.0
65.0
--
Sat, Nov 29, 1986
3688.17
22,472,998
20941
20000
59.0
36.0
--
Mon, Nov 03, 1986
3689.18
22,627,350
20809
20000
65.0
44.0
--
Wed, Oct 01, 1986
3689.60
22,691,214
17203
20000
71.0
48.0
--
Wed, May 01, 1985
3685.04
22,002,006
49505
20000
86.0
57.0
--
Tue, Aug 31, 1982
3686.64
22,337,452
14259
20000
91.0
69.0
--
Fri, Sep 01, 1978
3645.54
16,852,912
6079
20000
94.0
68.0
--
Wed, Mar 02, 1977
3651.19
17,584,460
6268
20000
51.0
22.0
--
Wed, Jun 02, 1976
3668.06
19,841,750
32764
20000
93.0
68.0
--
Wed, Jul 02, 1975
3669.56
20,079,842
50094
20000
103.0
72.0
--
Wed, Mar 14, 1973
3601.45
12,120,252
11187
20000
52.0
35.0
--
Wed, Dec 27, 1972
3606.65
12,656,928
13803
20000
44.0
26.0
--
Thu, Dec 14, 1972
3607.90
12,783,557
10698
20000
38.0
19.0
--
Wed, May 26, 1971
3607.69
12,782,477
24958
20000
89.0
56.0
--
Tue, Apr 28, 1964
3399.80
700,601
9819
20000
79.0
49.0
--


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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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powell Water Database