Lake Powell Water Database



The earliest data is from Thursday, March 14th, 1963
The most recent data is from Monday, October 21st, 2019

Water Data for 20 days surrounding Sep 30, 2019

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu, Oct 10, 2019
3614.52
-0.17
13190659
1631
10594
59.0
43.0
68.0
Wed, Oct 09, 2019
3614.69
0.00
13208183
11165
10586
85.0
53.0
69.0
Tue, Oct 08, 2019
3614.69
-0.11
13208183
5037
10637
81.0
48.0
69.0
Mon, Oct 07, 2019
3614.80
-0.10
13219531
5829
10869
75.0
44.0
69.0
Sun, Oct 06, 2019
3614.90
-0.03
13229852
8076
9182
75.0
52.0
69.0
Sat, Oct 05, 2019
3614.93
-0.08
13232949
5905
9825
77.0
51.0
69.0
Fri, Oct 04, 2019
3615.01
-0.08
13241212
6321
10241
85.0
59.0
69.0
Thu, Oct 03, 2019
3615.09
-0.10
13249477
4928
9976
82.0
48.0
70.0
Wed, Oct 02, 2019
3615.19
-0.04
13259814
8777
10448
76.0
48.0
71.0
Tue, Oct 01, 2019
3615.23
-0.13
13263950
3724
10466
77.0
50.0
72.0
Mon, Sep 30, 2019
3615.36
-0.13
13277399
5464
11926
78.0
53.0
72.0
Sun, Sep 29, 2019
3615.49
-0.10
13290856
5380
10154
81.0
60.0
72.0
Sat, Sep 28, 2019
3615.59
-0.10
13301214
6883
11659
84.0
61.0
72.0
Fri, Sep 27, 2019
3615.69
-0.09
13311577
7737
11951
86.0
59.0
71.0
Thu, Sep 26, 2019
3615.78
-0.13
13320908
5500
11975
86.0
64.0
72.0
Wed, Sep 25, 2019
3615.91
-0.12
13334394
6065
11979
87.0
58.0
72.0
Tue, Sep 24, 2019
3616.03
-0.08
13346851
8263
11918
84.0
56.0
72.0
Mon, Sep 23, 2019
3616.11
-0.12
13355159
6152
12072
80.0
60.0
72.0
Sun, Sep 22, 2019
3616.23
-0.04
13367628
8775
10169
82.0
53.0
72.0
Sat, Sep 21, 2019
3616.27
-0.10
13371787
6589
11381
78.0
53.0
73.0
Fri, Sep 20, 2019
3616.37
-0.10
13382186
7244
12038
79.0
60.0
73.0
Averages of List
3615.42
-0.09
13283989
6450
10955
79.9
54.0
70.9


Averages for September 30th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3646.69
-0.08
17253433
9409
12600
80.4
54.0
72.5
All-Time
3633.34
-0.07
15719629
9177
11862
72.8
48.7
64.0


All Lake Powell water data for September 30th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon Sep 30, 2019
3615.36
13277399
5464
11926
78.0
53.0
72.0
Sun Sep 30, 2018
3592.35
11034585
8318
10073
0.0
0.0
73.0
Sat Sep 30, 2017
3628.31
14664438
8188
9660
84.0
57.0
71.0
Fri Sep 30, 2016
3610.93
12824140
10300
11662
79.0
61.0
71.0
Wed Sep 30, 2015
3606.01
12332870
7530
12622
91.0
66.9
75.0
Tue Sep 30, 2014
3605.53
12285625
15794
10703
n/a
n/a
75.0
Mon Sep 30, 2013
3591.25
10934043
8122
10862
82.9
54.0
69.0
Sun Sep 30, 2012
3621.56
13929222
5471
8062
87.1
60.1
73.0
Fri Sep 30, 2011
3653.01
17593300
10859
15534
89.1
68.0
74.0
Thu Sep 30, 2010
3633.66
15266787
7853
8047
89.1
57.0
73.0
Wed Sep 30, 2009
3635.37
15462973
8324
10043
75.9
53.1
73.0
Tue Sep 30, 2008
3626.90
14508577
8264
12284
84.9
64.0
73.0
Sun Sep 30, 2007
3601.87
11929382
9622
9616
66.9
43.0
71.0
Sat Sep 30, 2006
3601.74
11916845
8443
8694
86.0
55.0
71.0
Fri Sep 30, 2005
3601.97
11939007
10272
7989
80.1
53.1
72.0
Thu Sep 30, 2004
3570.77
9169460
7939
8262
66.9
48.9
71.0
Tue Sep 30, 2003
3603.73
12109533
5672
8097
90.0
64.0
74.0
Mon Sep 30, 2002
3626.53
14467880
4606
8312
72.0
50.0
70.0
Sun Sep 30, 2001
3664.84
19134796
5360
6919
86.0
60.1
77.0
Sat Sep 30, 2000
3677.80
20939424
7242
8035
90.0
56.0
--
Thu Sep 30, 1999
3691.59
22996952
13894
19465
77.0
45.0
--
Wed Sep 30, 1998
3687.71
22403484
9182
18100
90.0
55.0
--
Tue Sep 30, 1997
3690.32
22801446
21907
19400
84.0
57.0
--
Mon Sep 30, 1996
3679.29
21154838
8896
14200
82.0
52.0
--
Sat Sep 30, 1995
3687.10
22311240
9264
19000
78.0
47.0
--
Fri Sep 30, 1994
3654.42
17772168
5876
10800
89.0
66.0
--
Thu Sep 30, 1993
3662.52
18824806
8201
11100
87.0
54.0
--
Wed Sep 30, 1992
3623.01
14085081
6834
11100
87.0
56.0
--
Mon Sep 30, 1991
3628.62
14699143
7925
12600
85.0
61.0
--
Sun Sep 30, 1990
3637.61
15722772
8399
4800
83.0
58.0
--
Sat Sep 30, 1989
3665.20
19183394
5939
9040
93.0
54.0
--
Fri Sep 30, 1988
3685.61
22087516
7458
11700
81.0
52.0
--
Wed Sep 30, 1987
3687.95
22439442
8039
13400
84.0
52.0
--
Tue Sep 30, 1986
3689.62
22694258
17962
26500
71.0
49.0
--
Mon Sep 30, 1985
3685.66
22094986
12510
20900
73.0
50.0
--
Sun Sep 30, 1984
3695.91
23703090
14716
24000
83.0
54.0
--
Fri Sep 30, 1983
3698.86
24204272
14128
26700
73.0
58.0
--
Thu Sep 30, 1982
3687.27
22432382
16200
8810
78.0
54.0
--
Wed Sep 30, 1981
3671.96
20232514
7613
10600
92.0
56.0
--
Tue Sep 30, 1980
3687.78
22573256
7790
14400
86.0
52.0
--
Sun Sep 30, 1979
3678.10
21169428
7879
8820
88.0
59.0
--
Sat Sep 30, 1978
3640.17
16203001
7686
11500
90.0
62.0
--
Fri Sep 30, 1977
3636.70
15817994
5247
17900
81.0
52.0
--
Thu Sep 30, 1976
3664.00
19287286
11159
17500
81.0
56.0
--
Tue Sep 30, 1975
3668.06
19871806
8344
14700
85.0
59.0
--
Mon Sep 30, 1974
3651.73
17735492
6015
13100
81.0
55.0
--
Sun Sep 30, 1973
3646.02
17044920
9984
3510
84.0
56.0
--
Sat Sep 30, 1972
3603.40
12331971
6810
13900
80.0
55.0
--
Thu Sep 30, 1971
3614.25
13460792
8852
11500
76.0
53.0
--
Wed Sep 30, 1970
3598.87
11925954
11436
13600
82.0
59.0
--
Tue Sep 30, 1969
3573.32
9629644
11292
0
92.0
62.0
--
Mon Sep 30, 1968
3545.35
7465245
8456
8970
81.0
53.0
--
Sat Sep 30, 1967
3528.49
6328960
9279
7240
85.0
62.0
--
Fri Sep 30, 1966
3529.46
6402490
5954
12500
88.0
65.0
--
Thu Sep 30, 1965
3530.12
6456278
16400
10500
70.0
47.0
--
Wed Sep 30, 1964
3491.69
4213877
7590
5850
86.0
57.0
--
Mon Sep 30, 1963
536400
4337
1000
93.0
58.0
--



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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


Copyright Summit Technologies, Inc.
1999 - 2019


Water Database