Water Database





The earliest data is from
The most recent data is from Tuesday, December 11th, 2018

Water Data for 20 days surrounding Sep 30, 1966

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon, Oct 10, 1966
3528.21
-0.08
6321122
8472.00
10600.00
80.0
56.0
--
Sun, Oct 09, 1966
3528.29
0.00
6326308
8818.00
8120.00
80.0
55.0
--
Sat, Oct 08, 1966
3528.29
-0.08
6326308
8115.00
10400.00
76.0
55.0
--
Fri, Oct 07, 1966
3528.37
-0.09
6331493
7175.00
10100.00
75.0
56.0
--
Thu, Oct 06, 1966
3528.46
-0.04
6337312
6271.00
9950.00
72.0
55.0
--
Wed, Oct 05, 1966
3528.50
-0.25
6339905
5154.00
9180.00
75.0
58.0
--
Tue, Oct 04, 1966
3528.75
-0.21
6356095
5422.00
10300.00
76.0
56.0
--
Mon, Oct 03, 1966
3528.96
-0.09
6369693
4800.00
9960.00
76.0
56.0
--
Sun, Oct 02, 1966
3529.05
-0.15
6375572
5693.00
7360.00
82.0
59.0
--
Sat, Oct 01, 1966
3529.20
-0.26
6385416
5838.00
11500.00
86.0
63.0
--
Fri, Sep 30, 1966
3529.46
-0.17
6402490
5954.00
12500.00
88.0
65.0
--
Thu, Sep 29, 1966
3529.63
-0.23
6413648
6003.00
12000.00
90.0
57.0
--
Wed, Sep 28, 1966
3529.86
-0.17
6428766
6185.00
10700.00
83.0
56.0
--
Tue, Sep 27, 1966
3530.03
-0.23
6439902
6253.00
12700.00
86.0
67.0
--
Mon, Sep 26, 1966
3530.26
-0.19
6454828
6056.00
12200.00
92.0
62.0
--
Sun, Sep 25, 1966
3530.45
-0.17
6467157
6143.00
10900.00
92.0
66.0
--
Sat, Sep 24, 1966
3530.62
-0.26
6478201
6364.00
13600.00
94.0
66.0
--
Fri, Sep 23, 1966
3530.88
-0.25
6495061
6539.00
13800.00
94.0
66.0
--
Thu, Sep 22, 1966
3531.13
-0.25
6511522
6554.00
13700.00
93.0
65.0
--
Wed, Sep 21, 1966
3531.38
-0.21
6528201
6756.00
13400.00
92.0
65.0
--
Tue, Sep 20, 1966
3531.59
-0.27
6542225
6708.00
13200.00
87.0
67.0
--
Averages of List
3529.59
-0.17
6411010.71
6441.57
11246.19
84.24
60.52
--


Averages for September 30th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3647.49
-0.08
17355382.74
9510.56
12617.72
80.44
54.03
72.5
All-Time
3633.67
-0.06
15763240.45
9243.43
11860.38
72.88
48.64
64.0


All Lake Powell water data for September 30th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun Sep 30, 2018
3592.35
11034585
8318.00
10073.00
0.0
0.0
73.0
Sat Sep 30, 2017
3628.31
14664438
8188.00
9660.00
84.0
57.0
71.0
Fri Sep 30, 2016
3610.93
12824140
10300.00
11662.00
79.0
61.0
71.0
Wed Sep 30, 2015
3606.01
12332870
7530.00
12622.00
91.0
66.9
75.0
Tue Sep 30, 2014
3605.53
12285625
15794.00
10703.00
n/a
n/a
75.0
Mon Sep 30, 2013
3591.25
10934043
8122.00
10862.00
82.9
54.0
69.0
Sun Sep 30, 2012
3621.56
13929222
5471.00
8062.00
87.1
60.1
73.0
Fri Sep 30, 2011
3653.01
17593300
10859.00
15534.00
89.1
68.0
74.0
Thu Sep 30, 2010
3633.66
15266787
7853.00
8047.00
89.1
57.0
73.0
Wed Sep 30, 2009
3635.37
15462973
8324.00
10043.00
75.9
53.1
73.0
Tue Sep 30, 2008
3626.90
14508577
8264.00
12284.00
84.9
64.0
73.0
Sun Sep 30, 2007
3601.87
11929382
9622.00
9616.00
66.9
43.0
71.0
Sat Sep 30, 2006
3601.74
11916845
8443.00
8694.00
86.0
55.0
71.0
Fri Sep 30, 2005
3601.97
11939007
10272.00
7989.00
80.1
53.1
72.0
Thu Sep 30, 2004
3570.77
9169460
7939.00
8262.00
66.9
48.9
71.0
Tue Sep 30, 2003
3603.73
12109533
5672.00
8097.00
90.0
64.0
74.0
Mon Sep 30, 2002
3626.53
14467880
4606.00
8312.00
72.0
50.0
70.0
Sun Sep 30, 2001
3664.84
19134796
5360.00
6919.00
86.0
60.1
77.0
Sat Sep 30, 2000
3677.80
20939424
7242.00
8035.00
90.0
56.0
--
Thu Sep 30, 1999
3691.59
22996952
13894.00
19465.00
77.0
45.0
--
Wed Sep 30, 1998
3687.71
22403484
9182.00
18100.00
90.0
55.0
--
Tue Sep 30, 1997
3690.32
22801446
21907.00
19400.00
84.0
57.0
--
Mon Sep 30, 1996
3679.29
21154838
8896.00
14200.00
82.0
52.0
--
Sat Sep 30, 1995
3687.10
22311240
9264.00
19000.00
78.0
47.0
--
Fri Sep 30, 1994
3654.42
17772168
5876.00
10800.00
89.0
66.0
--
Thu Sep 30, 1993
3662.52
18824806
8201.00
11100.00
87.0
54.0
--
Wed Sep 30, 1992
3623.01
14085081
6834.00
11100.00
87.0
56.0
--
Mon Sep 30, 1991
3628.62
14699143
7925.00
12600.00
85.0
61.0
--
Sun Sep 30, 1990
3637.61
15722772
8399.00
4800.00
83.0
58.0
--
Sat Sep 30, 1989
3665.20
19183394
5939.00
9040.00
93.0
54.0
--
Fri Sep 30, 1988
3685.61
22087516
7458.00
11700.00
81.0
52.0
--
Wed Sep 30, 1987
3687.95
22439442
8039.00
13400.00
84.0
52.0
--
Tue Sep 30, 1986
3689.62
22694258
17962.00
26500.00
71.0
49.0
--
Mon Sep 30, 1985
3685.66
22094986
12510.00
20900.00
73.0
50.0
--
Sun Sep 30, 1984
3695.91
23703090
14716.00
24000.00
83.0
54.0
--
Fri Sep 30, 1983
3698.86
24204272
14128.00
26700.00
73.0
58.0
--
Thu Sep 30, 1982
3687.27
22432382
16200.00
8810.00
78.0
54.0
--
Wed Sep 30, 1981
3671.96
20232514
7613.00
10600.00
92.0
56.0
--
Tue Sep 30, 1980
3687.78
22573256
7790.00
14400.00
86.0
52.0
--
Sun Sep 30, 1979
3678.10
21169428
7879.00
8820.00
88.0
59.0
--
Sat Sep 30, 1978
3640.17
16203001
7686.00
11500.00
90.0
62.0
--
Fri Sep 30, 1977
3636.70
15817994
5247.00
17900.00
81.0
52.0
--
Thu Sep 30, 1976
3664.00
19287286
11159.00
17500.00
81.0
56.0
--
Tue Sep 30, 1975
3668.06
19871806
8344.00
14700.00
85.0
59.0
--
Mon Sep 30, 1974
3651.73
17735492
6015.00
13100.00
81.0
55.0
--
Sun Sep 30, 1973
3646.02
17044920
9984.00
3510.00
84.0
56.0
--
Sat Sep 30, 1972
3603.40
12331971
6810.00
13900.00
80.0
55.0
--
Thu Sep 30, 1971
3614.25
13460792
8852.00
11500.00
76.0
53.0
--
Wed Sep 30, 1970
3598.87
11925954
11436.00
13600.00
82.0
59.0
--
Tue Sep 30, 1969
3573.32
9629644
11292.00
0.00
92.0
62.0
--
Mon Sep 30, 1968
3545.35
7465245
8456.00
8970.00
81.0
53.0
--
Sat Sep 30, 1967
3528.49
6328960
9279.00
7240.00
85.0
62.0
--
Fri Sep 30, 1966
3529.46
6402490
5954.00
12500.00
88.0
65.0
--
Thu Sep 30, 1965
3530.12
6456278
16400.00
10500.00
70.0
47.0
--
Wed Sep 30, 1964
3491.69
4213877
7590.00
5850.00
86.0
57.0
--
Mon Sep 30, 1963
536400
4337.00
1000.00
93.0
58.0
--



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



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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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1999 - 2018


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