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

Water Data for 20 days surrounding Sep 20, 1965

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu, Sep 30, 1965
3530.12
0.05
6,456,278
16400
10500
70.0
47.0
--
Wed, Sep 29, 1965
3530.07
0.09
6,453,028
16079
10700
71.0
36.0
--
Tue, Sep 28, 1965
3529.98
0.05
6,447,158
16123
10400
87.0
47.0
--
Mon, Sep 27, 1965
3529.93
0.08
6,443,864
16023
10300
90.0
59.0
--
Sun, Sep 26, 1965
3529.85
0.07
6,438,608
16500
9800
89.0
54.0
--
Sat, Sep 25, 1965
3529.78
0.11
6,433,995
16987
10200
87.0
59.0
--
Fri, Sep 24, 1965
3529.67
0.14
6,426,746
17996
9740
85.0
57.0
--
Thu, Sep 23, 1965
3529.53
0.17
6,417,537
18816
10600
84.0
56.0
--
Wed, Sep 22, 1965
3529.36
0.09
6,406,350
16178
11500
78.0
50.0
--
Tue, Sep 21, 1965
3529.27
0.08
6,400,420
16234
11800
69.0
48.0
--
Mon, Sep 20, 1965
3529.19
-0.07
6,395,147
11624
12000
66.0
47.0
--
Sun, Sep 19, 1965
3529.26
-0.05
6,399,760
9319
12600
61.0
46.0
--
Sat, Sep 18, 1965
3529.31
-0.03
6,403,055
8798
12400
67.0
48.0
--
Fri, Sep 17, 1965
3529.34
-0.15
6,405,032
9363
12100
89.0
54.0
--
Thu, Sep 16, 1965
3529.49
-0.01
6,414,901
10538
10900
93.0
65.0
--
Wed, Sep 15, 1965
3529.50
-0.09
6,415,560
12189
11600
92.0
63.0
--
Tue, Sep 14, 1965
3529.59
-0.04
6,421,491
12920
12200
92.0
59.0
--
Mon, Sep 13, 1965
3529.63
-0.12
6,424,111
13541
14700
92.0
63.0
--
Sun, Sep 12, 1965
3529.75
-0.10
6,432,018
13497
14200
89.0
59.0
--
Sat, Sep 11, 1965
3529.85
-0.13
6,438,608
12987
14500
89.0
63.0
--
Fri, Sep 10, 1965
3529.98
-0.08
6,447,158
14195
14700
89.0
58.0
--
Averages of List
3529.64
0
6,424,801
14110
11783
82.3
54.2
--


Averages for September 20th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.28
-0.09
16,163,730
8757
12722
85.5
59.7
74.1
All-Time
3627.12
-0.1
15,093,179
8713
12349
72.5
48.6
62.4


All Lake Powell water data for September 20th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat Sep 20, 2025
3545.81
6,821,501
4257
9477
84.2
59.5
--
Fri Sep 20, 2024
3578.79
9,197,898
6017
9728
83.2
49.0
--
Wed Sep 20, 2023
3573.59
8,791,507
8099
7094
81.9
51.6
77.0
Tue Sep 20, 2022
3529.35
5,798,604
6220
6781
82.0
71.0
78.0
Mon Sep 20, 2021
3546.93
7,367,458
6107
10562
79.0
63.0
77.0
Sun Sep 20, 2020
3597.27
11,491,480
5534
8867
93.0
67.0
72.0
Fri Sep 20, 2019
3616.37
13,382,186
7244
12038
79.0
60.0
73.0
Thu Sep 20, 2018
3593.96
11,182,803
3365
11681
89.0
61.0
75.0
Wed Sep 20, 2017
3629.08
14,750,062
6485
11604
88.0
61.0
76.0
Tue Sep 20, 2016
3611.26
12,857,547
7439
12115
78.0
60.0
73.0
Sun Sep 20, 2015
3607.09
12,439,617
8469
10889
89.1
61.0
77.0
Sat Sep 20, 2014
3605.59
12,291,524
2940
9629
91.9
69.1
77.0
Fri Sep 20, 2013
3591.20
10,929,487
11922
10691
87.1
61.0
67.0
Thu Sep 20, 2012
3622.27
14,005,256
5435
8035
90.0
63.0
74.0
Tue Sep 20, 2011
3653.85
17,699,712
14682
15358
90.0
63.0
74.0
Mon Sep 20, 2010
3633.76
15,278,211
6874
8148
93.9
70.0
72.0
Sun Sep 20, 2009
3636.00
15,535,699
8541
10034
91.0
64.0
76.0
Sat Sep 20, 2008
3627.81
14,609,030
9260
12173
87.1
63.0
75.0
Thu Sep 20, 2007
3601.60
11,903,378
9172
10452
84.9
63.0
75.0
Wed Sep 20, 2006
3601.78
11,920,702
8845
9022
75.0
54.0
71.0
Tue Sep 20, 2005
3602.10
11,951,559
7222
8284
87.1
61.0
73.0
Mon Sep 20, 2004
3570.71
9,164,584
5041
8155
70.0
55.0
73.0
Sat Sep 20, 2003
3604.35
12,170,005
7070
8240
87.1
57.0
73.0
Fri Sep 20, 2002
3627.27
14,549,362
7433
8512
81.0
55.0
--
Thu Sep 20, 2001
3665.22
19,185,932
6426
7828
n/a
n/a
--
Wed Sep 20, 2000
3678.32
21,014,420
5800
7961
90.0
61.0
--
Mon Sep 20, 1999
3692.63
23,157,924
15292
23016
88.0
58.0
--
Sun Sep 20, 1998
3688.99
22,598,006
11015
15400
90.0
60.0
--
Sat Sep 20, 1997
3689.73
22,711,024
14704
19000
91.0
61.0
--
Fri Sep 20, 1996
3680.22
21,290,112
9895
14800
77.0
54.0
72.0
Wed Sep 20, 1995
3688.76
22,562,964
9696
18800
94.0
58.0
--
Tue Sep 20, 1994
3655.10
17,858,912
7003
11300
88.0
59.0
--
Mon Sep 20, 1993
3663.17
18,911,240
9552
11300
80.0
52.0
--
Sun Sep 20, 1992
3624.07
14,199,637
8189
9480
84.0
59.0
--
Fri Sep 20, 1991
3629.78
14,828,473
10350
14400
88.0
63.0
--
Thu Sep 20, 1990
3638.56
15,833,807
7812
14300
76.0
62.0
--
Wed Sep 20, 1989
3666.65
19,379,386
4898
15000
86.0
55.0
--
Tue Sep 20, 1988
3686.63
22,240,482
7679
11900
89.0
48.0
--
Sun Sep 20, 1987
3688.93
22,589,280
8705
16000
89.0
56.0
--
Sat Sep 20, 1986
3690.98
22,902,918
13807
27700
85.0
59.0
--
Fri Sep 20, 1985
3686.87
22,276,518
15602
22700
66.0
54.0
--
Thu Sep 20, 1984
3697.68
23,983,396
16389
23900
91.0
64.0
--
Tue Sep 20, 1983
3700.63
24,488,804
12664
26700
87.0
58.0
--
Mon Sep 20, 1982
3687.00
22,391,572
16444
11700
85.0
62.0
--
Sun Sep 20, 1981
3672.51
20,310,202
8045
7770
90.0
64.0
--
Sat Sep 20, 1980
3688.79
22,727,400
9175
16700
93.0
56.0
--
Thu Sep 20, 1979
3678.90
21,285,858
7528
10600
86.0
62.0
--
Wed Sep 20, 1978
3641.58
16,371,749
6343
13100
73.0
43.0
--
Tue Sep 20, 1977
3638.71
16,055,033
5978
14800
89.0
59.0
--
Mon Sep 20, 1976
3665.13
19,440,894
7770
14000
86.0
62.0
--
Sat Sep 20, 1975
3669.48
20,068,736
9862
19100
86.0
63.0
--
Fri Sep 20, 1974
3653.15
17,916,856
8743
15900
86.0
60.0
--
Thu Sep 20, 1973
3646.15
17,061,092
11059
8390
87.0
54.0
--
Wed Sep 20, 1972
3605.07
12,497,945
6185
15600
78.0
52.0
--
Mon Sep 20, 1971
3615.27
13,568,744
9404
10200
82.0
46.0
--
Sun Sep 20, 1970
3599.64
12,000,732
15214
9610
89.0
60.0
--
Sat Sep 20, 1969
3573.65
9,657,444
11136
12600
89.0
59.0
--
Fri Sep 20, 1968
3545.91
7,505,232
8858
9680
88.0
65.0
--
Wed Sep 20, 1967
3528.91
6,356,105
8023
10900
81.0
53.0
--
Tue Sep 20, 1966
3531.59
6,542,225
6708
13200
87.0
67.0
--
Mon Sep 20, 1965
3529.19
6,395,147
11624
12000
66.0
47.0
--
Sun Sep 20, 1964
3490.24
4,138,480
6779
2060
83.0
53.0
--
Fri Sep 20, 1963
476,400
4898
1010
87.0
59.0
--



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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



Page took 2.749 seconds to create!
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 - 2025


powell Water Database