Lake Powell Water Database


powell
powell
The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 20900.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Jul 17, 1998
3696.72
23,799,062
19305
20900
106.0
77.0
79.0
Wed, Dec 31, 1997
3682.30
21,595,054
12299
20900
47.0
26.0
--
Sat, Dec 27, 1997
3682.78
21,665,884
13552
20900
40.0
18.0
--
Wed, Dec 24, 1997
3683.17
21,723,548
13835
20900
49.0
27.0
--
Tue, Dec 23, 1997
3683.24
21,733,924
13802
20900
50.0
30.0
--
Mon, Dec 22, 1997
3683.41
21,759,100
13290
20900
50.0
25.0
--
Thu, Dec 11, 1997
3684.72
21,953,936
13748
20900
45.0
26.0
--
Wed, Dec 10, 1997
3684.87
21,976,350
13530
20900
45.0
29.0
--
Tue, Oct 28, 1997
3688.98
22,596,480
16230
20900
68.0
36.0
--
Mon, Aug 18, 1997
3692.33
23,111,428
17400
20900
94.0
65.0
--
Mon, May 26, 1997
3675.70
20,638,584
73394
20900
84.0
63.0
--
Fri, May 23, 1997
3673.42
20,315,652
65895
20900
83.0
58.0
71.0
Fri, May 16, 1997
3669.22
19,730,824
51328
20900
97.0
68.0
70.0
Wed, May 07, 1997
3665.97
19,287,200
33663
20900
92.0
61.0
--
Mon, Sep 21, 1987
3688.76
22,563,282
8406
20900
88.0
58.0
--
Sat, Jun 20, 1987
3698.34
24,056,414
34007
20900
94.0
67.0
--
Fri, Feb 28, 1986
3683.57
21,782,940
20018
20900
69.0
45.0
--
Mon, Sep 30, 1985
3685.66
22,094,986
12510
20900
73.0
50.0
--
Mon, Apr 15, 1985
3678.55
21,047,758
37537
20900
83.0
52.0
--
Fri, Apr 12, 1985
3677.68
20,921,910
33940
20900
80.0
55.0
--
Fri, Mar 15, 1985
3674.89
20,523,364
21499
20900
55.0
36.0
--
Sat, Mar 09, 1985
3674.92
20,527,628
16160
20900
65.0
45.0
--
Wed, Aug 20, 1980
3692.03
23,225,138
7722
20900
93.0
61.0
--
Sun, Jun 08, 1980
3694.60
23,626,168
54550
20900
n/a
n/a
--
Thu, Aug 09, 1979
3683.25
21,924,750
11699
20900
97.0
71.0
--
Mon, Sep 22, 1975
3669.13
20,020,180
9463
20900
79.0
49.0
--
Sun, Aug 25, 1974
3657.45
18,474,178
6042
20900
96.0
66.0
--
Tue, Jul 09, 1974
3666.34
19,665,168
13537
20900
98.0
67.0
--
Fri, Jan 11, 1974
3647.24
17,169,980
14040
20900
42.0
27.0
--
Mon, Jan 29, 1973
3601.37
12,112,452
10572
20900
37.0
23.0
--
Sat, Jan 20, 1973
3602.86
12,258,905
11883
20900
41.0
32.0
--
Wed, Jan 10, 1973
3604.15
12,386,861
11523
20900
36.0
26.0
--
Tue, Jan 02, 1973
3605.90
12,561,390
10128
20900
35.0
18.0
--
Wed, Jan 05, 1972
3609.23
12,919,139
11312
20900
35.0
17.0
--


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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