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

Water Data for 20 days surrounding Sep 18, 1971

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 28, 1971
3614.50
-0.14
13,487,250
8901
13600
85.0
48.0
--
Mon, Sep 27, 1971
3614.64
-0.09
13,502,056
9157
12600
84.0
58.0
--
Sun, Sep 26, 1971
3614.73
-0.08
13,511,590
9474
9710
85.0
56.0
--
Sat, Sep 25, 1971
3614.81
-0.11
13,520,064
9951
13100
87.0
55.0
--
Fri, Sep 24, 1971
3614.92
-0.08
13,531,692
10015
11600
79.0
54.0
--
Thu, Sep 23, 1971
3615.00
-0.08
13,540,167
10106
12000
77.0
52.0
--
Wed, Sep 22, 1971
3615.08
-0.10
13,548,641
9745
11100
74.0
57.0
--
Tue, Sep 21, 1971
3615.18
-0.09
13,559,210
9590
11700
81.0
56.0
--
Mon, Sep 20, 1971
3615.27
-0.06
13,568,744
9404
10200
82.0
46.0
--
Sun, Sep 19, 1971
3615.33
0.03
13,575,100
9539
6650
68.0
46.0
--
Sat, Sep 18, 1971
3615.30
-0.12
13,571,922
9761
10200
70.0
50.0
--
Fri, Sep 17, 1971
3615.42
-0.18
13,584,609
9883
15600
92.0
65.0
--
Thu, Sep 16, 1971
3615.60
-0.15
13,603,677
10243
16900
96.0
60.0
--
Wed, Sep 15, 1971
3615.75
-0.17
13,619,542
10494
17400
96.0
67.0
--
Tue, Sep 14, 1971
3615.92
-0.19
13,637,525
10682
17600
99.0
67.0
--
Mon, Sep 13, 1971
3616.11
-0.17
13,657,671
10939
17900
97.0
68.0
--
Sun, Sep 12, 1971
3616.28
-0.04
13,675,683
11779
12900
99.0
66.0
--
Sat, Sep 11, 1971
3616.32
-0.14
13,679,927
11735
16700
97.0
67.0
--
Fri, Sep 10, 1971
3616.46
-0.13
13,694,756
11835
15800
95.0
65.0
--
Thu, Sep 09, 1971
3616.59
-0.14
13,708,549
10295
15400
91.0
64.0
--
Wed, Sep 08, 1971
3616.73
-0.15
13,723,378
10489
15400
92.0
66.0
--
Averages of List
3615.52
-0.11
13,595,322
10191
13527
87
58.7
--


Averages for September 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.44
-0.08
16,183,559
8829
12871
86.5
59.5
75.4
All-Time
3627.29
-0.08
15,112,306
8858
12249
72.3
48.3
62.9


All Lake Powell water data for September 18th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu Sep 18, 2025
3546.01
6,834,554
5114
9628
81.7
51.8
--
Wed Sep 18, 2024
3578.98
9,212,978
4272
9718
78.6
43.1
--
Mon Sep 18, 2023
3573.62
8,793,817
6824
7077
88.7
59.2
78.0
Sun Sep 18, 2022
3529.45
5,804,515
8574
9457
90.0
62.0
78.0
Sat Sep 18, 2021
3547.20
7,386,441
3252
11165
86.0
63.0
77.0
Fri Sep 18, 2020
3597.48
11,511,243
4645
10546
92.0
63.0
73.0
Wed Sep 18, 2019
3616.59
13,405,082
8256
11921
89.0
60.0
75.0
Tue Sep 18, 2018
3594.29
11,213,338
3809
11635
96.0
68.0
75.0
Mon Sep 18, 2017
3629.26
14,770,130
6026
11758
87.0
59.0
77.0
Sun Sep 18, 2016
3611.48
12,879,851
4918
10705
90.0
59.0
74.0
Fri Sep 18, 2015
3607.25
12,455,484
7746
12329
82.0
61.0
76.0
Thu Sep 18, 2014
3605.77
12,309,232
9105
10438
90.0
66.9
77.0
Wed Sep 18, 2013
3591.18
10,927,665
13760
10545
90.0
71.1
77.0
Tue Sep 18, 2012
3622.40
14,019,211
4855
8041
89.1
61.0
76.0
Sun Sep 18, 2011
3653.95
17,712,410
15236
15600
84.9
63.0
75.0
Sat Sep 18, 2010
3633.85
15,288,498
6993
8082
93.0
62.1
73.0
Fri Sep 18, 2009
3636.15
15,553,050
8085
10135
82.0
60.1
76.0
Thu Sep 18, 2008
3627.98
14,627,852
9726
12177
84.9
60.1
76.0
Tue Sep 18, 2007
3601.75
11,917,809
5782
10412
n/a
n/a
76.0
Mon Sep 18, 2006
3601.92
11,934,182
10079
9136
72.0
46.9
73.0
Sun Sep 18, 2005
3602.20
11,961,197
7865
8196
84.0
59.0
74.0
Sat Sep 18, 2004
3570.57
9,153,234
5207
7881
89.1
66.0
74.0
Thu Sep 18, 2003
3604.45
12,179,761
7765
8208
71.1
51.1
74.0
Wed Sep 18, 2002
3627.35
14,558,200
7255
8300
75.9
62.1
74.0
Tue Sep 18, 2001
3665.35
19,203,472
6335
7795
86.0
61.0
75.0
Mon Sep 18, 2000
3678.38
21,023,058
6066
10208
97.0
60.0
--
Sat Sep 18, 1999
3692.69
23,167,248
15558
18141
82.0
57.0
--
Fri Sep 18, 1998
3689.20
22,630,030
11420
18200
95.0
64.0
77.0
Thu Sep 18, 1997
3689.92
22,740,102
15679
19500
85.0
63.0
--
Wed Sep 18, 1996
3680.36
21,310,554
10704
14600
72.0
50.0
--
Mon Sep 18, 1995
3689.02
22,602,584
9142
18200
93.0
62.0
--
Sun Sep 18, 1994
3655.32
17,887,030
7989
8700
88.0
66.0
--
Sat Sep 18, 1993
3663.27
18,924,580
10061
10400
77.0
53.0
--
Fri Sep 18, 1992
3624.10
14,202,911
6519
12000
88.0
63.0
--
Wed Sep 18, 1991
3629.98
14,850,768
10538
14100
90.0
58.0
--
Tue Sep 18, 1990
3638.73
15,853,773
4605
14400
88.0
58.0
--
Mon Sep 18, 1989
3666.98
19,424,278
5196
15000
90.0
61.0
--
Sun Sep 18, 1988
3686.83
22,270,512
8688
8010
90.0
44.0
--
Fri Sep 18, 1987
3689.22
22,633,436
8895
18600
90.0
58.0
--
Thu Sep 18, 1986
3691.41
22,969,126
14461
27700
82.0
56.0
--
Wed Sep 18, 1985
3686.98
22,292,998
14516
21800
87.0
61.0
--
Tue Sep 18, 1984
3697.95
24,026,328
14893
24000
89.0
65.0
--
Sun Sep 18, 1983
3701.10
24,564,978
12947
26500
n/a
n/a
--
Sat Sep 18, 1982
3686.88
22,373,520
17486
8640
85.0
60.0
--
Fri Sep 18, 1981
3672.58
20,320,108
8754
15900
88.0
65.0
--
Thu Sep 18, 1980
3689.02
22,762,576
10538
16600
95.0
56.0
--
Tue Sep 18, 1979
3679.08
21,312,086
7648
9890
86.0
52.0
--
Mon Sep 18, 1978
3641.87
16,406,457
6428
11700
76.0
52.0
--
Sun Sep 18, 1977
3639.10
16,101,395
5993
9080
82.0
54.0
--
Sat Sep 18, 1976
3665.28
19,461,250
8111
13000
89.0
51.0
--
Thu Sep 18, 1975
3669.78
20,110,350
10959
16100
92.0
55.0
--
Wed Sep 18, 1974
3653.34
17,941,264
8488
12500
80.0
57.0
--
Tue Sep 18, 1973
3646.14
17,059,846
12920
6390
88.0
59.0
--
Mon Sep 18, 1972
3605.40
12,531,085
6455
19100
78.0
62.0
--
Sat Sep 18, 1971
3615.30
13,571,922
9761
10200
70.0
50.0
--
Fri Sep 18, 1970
3599.56
11,992,977
18450
11600
87.0
55.0
--
Thu Sep 18, 1969
3573.87
9,676,005
11114
14800
85.0
61.0
--
Wed Sep 18, 1968
3546.11
7,519,563
8075
10600
88.0
54.0
--
Mon Sep 18, 1967
3529.22
6,376,337
9186
9580
90.0
65.0
--
Sun Sep 18, 1966
3531.97
6,567,568
6633
9140
91.0
61.0
--
Sat Sep 18, 1965
3529.31
6,403,055
8798
12400
67.0
48.0
--
Fri Sep 18, 1964
3490.25
4,139,000
7424
2540
86.0
67.0
--
Wed Sep 18, 1963
461,400
5467
1010
85.0
65.0
--



Search DB for more Lake Powell Water Data Facts



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 2.543 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


Copyright Water-Data.com
1999 - 2025


powell Water Database