Lake Powell Water Database



The earliest data is from Thursday, March 14th, 1963
The most recent data is from Saturday, August 17th, 2019

Water Data for 20 days surrounding Jul 21, 2016

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun, Jul 31, 2016
3618.22
-0.04
13575516
12130
13493
97.0
69.0
79.0
Sat, Jul 30, 2016
3618.26
-0.29
13579716
-971
14699
99.0
78.0
79.0
Fri, Jul 29, 2016
3618.55
-0.12
13610192
10199
16147
106.0
77.0
79.0
Thu, Jul 28, 2016
3618.67
-0.27
13622816
1536
16090
109.0
78.0
79.0
Wed, Jul 27, 2016
3618.94
-0.16
13651246
7845
16100
106.0
75.0
79.0
Tue, Jul 26, 2016
3619.10
-0.13
13668112
9440
15978
102.0
78.0
79.0
Mon, Jul 25, 2016
3619.23
-0.20
13681826
5805
16373
100.0
73.0
80.0
Sun, Jul 24, 2016
3619.43
-0.17
13702941
4948
13799
102.0
78.0
79.0
Sat, Jul 23, 2016
3619.60
-0.15
13720906
7503
15208
105.0
75.0
79.0
Fri, Jul 22, 2016
3619.75
-0.20
13736769
5457
16052
102.0
79.0
79.0
Thu, Jul 21, 2016
3619.95
-0.12
13757939
10062
16050
98.0
73.0
78.0
Wed, Jul 20, 2016
3620.07
-0.30
13770652
-245
16145
97.0
75.0
77.0
Tue, Jul 19, 2016
3620.37
-0.14
13802470
8850
16008
95.0
73.0
76.0
Mon, Jul 18, 2016
3620.51
-0.14
13817338
9107
16271
93.0
77.0
76.0
Sun, Jul 17, 2016
3620.65
-0.12
13832217
7561
13572
99.0
77.0
77.0
Sat, Jul 16, 2016
3620.77
-0.14
13844980
7721
14895
100.0
78.0
76.0
Fri, Jul 15, 2016
3620.91
-0.16
13859881
7792
16133
105.0
73.0
77.0
Thu, Jul 14, 2016
3621.07
-0.11
13876926
10496
15940
100.0
71.0
77.0
Wed, Jul 13, 2016
3621.18
-0.10
13888653
11243
16109
100.0
73.0
77.0
Tue, Jul 12, 2016
3621.28
-0.09
13899321
12019
16306
99.0
69.0
77.0
Mon, Jul 11, 2016
3621.37
-0.07
13908927
13023
16149
98.0
72.0
77.0
Averages of List
3619.90
-0.15
13752826
7691
15596
100.6
74.8
77.9


Averages for July 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3654.14
-0.07
18190818
15366
17023
95.3
68.9
79.4
All-Time
3640.30
-0.04
16560578
15549
15621
71.8
47.7
62.7


All Lake Powell water data for July 21st

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sun Jul 21, 2019
3621.08
13877992
23580
11037
101.0
72.0
78.0
Sat Jul 21, 2018
3605.90
12322032
6252
11304
0.0
0.0
79.0
Fri Jul 21, 2017
3635.37
15462973
12705
14175
97.0
75.0
80.0
Thu Jul 21, 2016
3619.95
13757939
10062
16050
98.0
73.0
78.0
Tue Jul 21, 2015
3614.04
13141260
16605
17385
90.0
64.0
77.0
Mon Jul 21, 2014
3609.17
12646935
10977
13383
n/a
n/a
78.0
Sun Jul 21, 2013
3596.17
11388307
8372
12672
97.0
78.1
80.0
Sat Jul 21, 2012
3630.08
14861799
3101
14305
97.0
75.2
79.0
Thu Jul 21, 2011
3659.92
18482124
51349
24192
n/a
n/a
--
Wed Jul 21, 2010
3637.53
15713321
8296
13394
95.0
75.9
83.0
Tue Jul 21, 2009
3641.97
16236878
13303
13652
88.0
71.1
--
Mon Jul 21, 2008
3633.56
15255369
15546
14703
89.1
66.9
80.0
Sat Jul 21, 2007
3608.67
12596883
5135
12751
99.0
77.0
81.0
Fri Jul 21, 2006
3608.37
12566939
9241
13731
102.9
73.0
82.0
Thu Jul 21, 2005
3607.84
12514117
12031
14325
106.0
73.9
82.0
Wed Jul 21, 2004
3581.97
10109240
6863
15378
n/a
n/a
79.0
Mon Jul 21, 2003
3612.81
13015236
5563
15568
102.9
77.0
81.0
Sun Jul 21, 2002
3636.47
15590108
2669
13293
100.0
73.9
78.0
Sat Jul 21, 2001
3670.84
19954878
6318
13964
95.0
69.1
77.0
Fri Jul 21, 2000
3682.69
21652576
8315
8039
105.0
69.0
--
Wed Jul 21, 1999
3694.64
23471418
18359
18390
89.0
66.0
--
Tue Jul 21, 1998
3696.26
23726328
15390
21100
105.0
75.0
--
Mon Jul 21, 1997
3694.56
23458910
17537
21014
98.0
70.0
77.5
Sun Jul 21, 1996
3687.40
22356552
12685
12800
105.0
74.0
--
Fri Jul 21, 1995
3691.89
23043280
54911
17600
99.0
68.0
--
Thu Jul 21, 1994
3663.25
18921912
6435
15000
100.0
74.0
--
Wed Jul 21, 1993
3668.58
19642862
17341
15500
96.0
65.0
--
Tue Jul 21, 1992
3631.72
15046497
8330
14500
103.0
71.0
--
Sun Jul 21, 1991
3636.72
15619517
9188
17000
86.0
64.0
--
Sat Jul 21, 1990
3648.71
17056036
6878
15400
94.0
68.0
--
Fri Jul 21, 1989
3674.74
20502078
4239
16800
107.0
77.0
--
Thu Jul 21, 1988
3692.34
23112714
6955
12500
98.0
66.0
--
Tue Jul 21, 1987
3697.33
23895482
15851
19400
98.0
64.0
--
Mon Jul 21, 1986
3699.76
24283602
36404
23400
n/a
n/a
--
Sun Jul 21, 1985
3697.81
23971800
21073
27900
88.0
69.0
--
Sat Jul 21, 1984
3702.16
24704294
37986
29700
98.0
72.0
--
Thu Jul 21, 1983
3707.92
25686578
47055
40200
94.0
76.0
--
Wed Jul 21, 1982
3687.36
22445998
17526
18700
102.0
72.0
--
Tue Jul 21, 1981
3679.38
21293180
11299
17000
102.0
62.0
--
Mon Jul 21, 1980
3698.52
24246756
12916
23700
105.0
65.0
--
Sat Jul 21, 1979
3684.77
22151886
24781
17000
92.0
70.0
--
Fri Jul 21, 1978
3652.60
17735746
19066
10700
104.0
72.0
--
Thu Jul 21, 1977
3650.43
17488520
5063
14700
96.0
73.0
--
Wed Jul 21, 1976
3671.11
20266256
7833
15100
97.0
68.0
--
Mon Jul 21, 1975
3674.82
20821850
37143
21800
101.0
76.0
--
Sun Jul 21, 1974
3664.24
19378956
12674
16900
95.0
72.0
--
Sat Jul 21, 1973
3642.18
16573901
28224
6830
94.0
68.0
--
Fri Jul 21, 1972
3617.36
13768852
7410
17000
97.0
75.0
--
Wed Jul 21, 1971
3621.47
14234982
14162
18800
98.0
77.0
--
Tue Jul 21, 1970
3601.36
12169199
13652
10100
99.0
78.0
--
Mon Jul 21, 1969
3581.18
10307028
19663
15000
96.0
71.0
--
Sun Jul 21, 1968
3546.79
7568324
11511
13400
103.0
75.0
--
Fri Jul 21, 1967
3532.70
6604904
18219
10300
104.0
74.0
--
Thu Jul 21, 1966
3541.73
7232449
5649
10600
97.0
76.0
--
Wed Jul 21, 1965
3527.07
6258313
30893
9280
94.0
72.0
--
Tue Jul 21, 1964
3481.81
3713693
12974
960
101.0
84.0
--
Sun Jul 21, 1963
45400
2743
1000
103.0
74.0
--



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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 0.264 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 - 2019


Water Database