Lake Powell Water Database



The earliest data is from Thursday, March 14th, 1963
The most recent data is from Friday, August 23rd, 2019

Days where outflow from Lake Powell was 15500 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri, Sep 09, 2011
3654.43
17773450
11750
15500
81.0
64.0
78.0
Sat, May 30, 1998
3688.83
22573636
48181
15500
89.0
57.0
--
Tue, Dec 24, 1996
3675.23
20571706
8017
15500
50.0
26.0
--
Mon, Dec 09, 1996
3676.76
20790032
8984
15500
52.0
32.0
--
Thu, Sep 12, 1996
3680.76
21368968
7078
15500
81.0
60.0
--
Tue, Feb 20, 1996
3676.57
20762834
9777
15500
67.0
43.0
--
Mon, Jan 15, 1996
3679.63
21204200
9052
15500
55.0
30.0
--
Sat, Jan 06, 1996
3680.39
21314900
9947
15500
54.0
30.0
--
Fri, Dec 29, 1995
3681.03
21408478
10120
15500
40.0
23.0
--
Wed, Dec 27, 1995
3681.21
21434838
10349
15500
43.0
22.0
--
Tue, Oct 17, 1995
3685.66
22094528
10512
15500
80.0
50.0
--
Fri, Oct 13, 1995
3685.93
22135040
10817
15500
88.0
53.0
--
Tue, Oct 10, 1995
3686.19
22174102
11346
15500
78.0
50.0
--
Sun, Jun 18, 1995
3670.57
19917400
78379
15500
86.0
48.0
--
Sat, Jun 10, 1995
3664.90
19142840
73891
15500
81.0
56.0
--
Wed, Aug 10, 1994
3660.02
18495216
4433
15500
93.0
75.0
--
Sat, Jul 31, 1993
3667.73
19526474
11523
15500
100.0
78.0
--
Wed, Jul 21, 1993
3668.58
19642862
17341
15500
96.0
65.0
--
Tue, Jul 20, 1993
3668.64
19651072
17907
15500
95.0
67.0
--
Wed, Feb 20, 1991
3629.39
14784973
8354
15500
57.0
30.0
--
Wed, Aug 23, 1989
3671.07
19986740
8546
15500
94.0
63.0
--
Tue, Aug 22, 1989
3671.25
20011750
8876
15500
91.0
63.0
--
Thu, Jun 29, 1989
3677.89
20952144
9311
15500
98.0
64.0
--
Thu, Jan 12, 1989
3678.59
21053562
5889
15500
46.0
2.0
--
Mon, Feb 15, 1988
3682.43
21614200
9386
15500
54.0
27.0
--
Thu, Feb 04, 1988
3682.87
21678908
9365
15500
47.0
26.0
--
Fri, Dec 18, 1987
3685.87
22126518
8900
15500
42.0
35.0
--
Thu, Dec 17, 1987
3686.02
22149002
9946
15500
38.0
26.0
--
Tue, Dec 08, 1987
3686.76
22260002
10633
15500
52.0
28.0
--
Sat, Jul 11, 1987
3698.08
24014812
17018
15500
99.0
66.0
--
Sun, Mar 24, 1985
3675.81
20654028
23401
15500
68.0
41.0
--
Wed, Dec 22, 1982
3685.02
22094148
12365
15500
n/a
n/a
--
Sat, Dec 04, 1982
3686.06
22250310
14391
15500
n/a
n/a
--
Wed, Nov 17, 1982
3686.75
22354000
15808
15500
52.0
36.0
--
Sat, Aug 28, 1982
3686.78
22358512
23717
15500
89.0
65.0
--
Tue, Feb 02, 1982
3663.52
19046384
7183
15500
47.0
28.0
--
Fri, Dec 04, 1981
3670.32
20003816
7506
15500
49.0
28.0
--
Mon, Aug 10, 1981
3676.13
20823434
4378
15500
95.0
65.0
--
Sun, Dec 02, 1979
3673.22
20471698
7865
15500
46.0
26.0
--
Mon, Nov 05, 1979
3675.50
20795428
10309
15500
60.0
36.0
--
Fri, Jun 09, 1978
3638.97
16060437
38611
15500
105.0
67.0
--
Tue, Jun 06, 1978
3637.84
15926570
41540
15500
82.0
59.0
--
Mon, Jul 25, 1977
3650.15
17453196
11634
15500
94.0
66.0
--
Tue, Jun 28, 1977
3653.92
17932002
4330
15500
103.0
76.0
--
Tue, Sep 14, 1976
3665.82
19534464
7559
15500
89.0
68.0
--
Wed, Jul 07, 1976
3672.16
20413400
14222
15500
104.0
65.0
--
Mon, Jun 28, 1976
3672.15
20411978
18552
15500
106.0
69.0
--
Wed, Jan 21, 1976
3667.17
19719472
9557
15500
50.0
29.0
--
Tue, Sep 16, 1975
3669.93
20131140
10737
15500
85.0
63.0
--
Mon, May 19, 1975
3649.98
17486338
34271
15500
84.0
51.0
--
Tue, Sep 10, 1974
3654.21
18053106
5208
15500
96.0
67.0
--
Sat, Aug 10, 1974
3660.88
18927746
8008
15500
96.0
68.0
--
Sat, Aug 03, 1974
3662.12
19093260
7865
15500
93.0
69.0
--
Thu, May 23, 1974
3660.31
18851770
38692
15500
85.0
56.0
--
Thu, Sep 07, 1972
3607.97
12790667
5793
15500
80.0
61.0
--
Fri, Nov 19, 1971
3612.79
13307831
11701
15500
44.0
25.0
--
Mon, May 10, 1971
3604.25
12436167
22802
15500
75.0
44.0
--
Fri, Jan 08, 1971
3598.94
11913841
8965
15500
26.0
10.0
--
Wed, Dec 16, 1970
3600.78
12112269
10436
15500
51.0
28.0
--
Sat, May 16, 1970
3570.14
9347937
35408
15500
88.0
53.0
--
Tue, Dec 30, 1969
3572.20
9535234
11613
15500
43.0
26.0
--
Thu, Dec 11, 1969
3572.72
9579065
10273
15500
47.0
28.0
--
Mon, Jun 30, 1969
3579.95
10199245
31879
15500
95.0
67.0
--
Fri, Jun 27, 1969
3578.87
10104961
33786
15500
97.0
67.0
--
Wed, Jun 25, 1969
3578.27
10052967
28876
15500
92.0
67.0
--
Tue, May 13, 1969
3559.10
8477420
36006
15500
86.0
57.0
--
Wed, Apr 02, 1969
3543.50
7321500
12769
15500
79.0
46.0
--
Sat, Jun 15, 1968
3538.08
6956154
41877
15500
96.0
64.0
--
Wed, Mar 06, 1968
3525.20
6108635
8749
15500
n/a
n/a
--
Tue, May 09, 1967
3505.33
4931340
6454
15500
90.0
60.0
--
Mon, Apr 03, 1967
3512.01
5314874
7899
15500
74.0
45.0
--
Tue, Oct 19, 1965
3531.30
6533489
19732
15500
69.0
46.0
--
Sat, Jul 03, 1965
3513.68
5430385
52474
15500
110.0
66.0
--


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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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