Lake Powell Water Database


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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 Jul 04, 1966

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu, Jul 14, 1966
3543.01
-0.26
7,322,804
6345
11000
101.0
71.0
--
Wed, Jul 13, 1966
3543.27
-0.19
7,341,216
6475
12900
100.0
73.0
--
Tue, Jul 12, 1966
3543.46
-0.20
7,354,665
6862
10600
100.0
71.0
--
Mon, Jul 11, 1966
3543.66
-0.25
7,368,824
7222
11400
95.0
70.0
--
Sun, Jul 10, 1966
3543.91
-0.07
7,386,526
7783
11500
98.0
73.0
--
Sat, Jul 09, 1966
3543.98
-0.23
7,391,487
8773
11200
99.0
72.0
--
Fri, Jul 08, 1966
3544.21
-0.14
7,407,962
9635
11500
97.0
70.0
--
Thu, Jul 07, 1966
3544.35
-0.14
7,418,012
10120
11800
102.0
72.0
--
Wed, Jul 06, 1966
3544.49
-0.16
7,428,045
10698
11600
102.0
68.0
--
Tue, Jul 05, 1966
3544.65
-0.09
7,439,512
11333
11400
101.0
70.0
--
Mon, Jul 04, 1966
3544.74
-0.07
7,445,973
11022
9350
102.0
71.0
--
Sun, Jul 03, 1966
3544.81
0.01
7,450,998
10779
7600
98.0
62.0
--
Sat, Jul 02, 1966
3544.80
-0.09
7,450,280
10733
8270
99.0
67.0
--
Fri, Jul 01, 1966
3544.89
-0.02
7,456,723
10791
9910
91.0
60.0
--
Thu, Jun 30, 1966
3544.91
-0.13
7,458,159
10388
11000
91.0
76.0
--
Wed, Jun 29, 1966
3545.04
-0.09
7,467,491
10609
12000
100.0
78.0
--
Tue, Jun 28, 1966
3545.13
-0.07
7,473,934
11388
11400
101.0
68.0
--
Mon, Jun 27, 1966
3545.20
-0.06
7,478,959
12020
10200
99.0
69.0
--
Sun, Jun 26, 1966
3545.26
0.05
7,483,266
12600
7020
100.0
69.0
--
Sat, Jun 25, 1966
3545.21
0.00
7,479,676
12231
10200
99.0
66.0
--
Fri, Jun 24, 1966
3545.21
0.00
7,479,676
12105
9750
99.0
66.0
--
Averages of List
3544.49
-0.1
7,427,818
9996
10552
98.8
69.6
--


Averages for July 4th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3643.93
0.07
17,035,350
25534
15768
98
69.7
77.1
All-Time
3633.71
0.12
15,845,463
26314
14285
72.3
48.4
63


All Lake Powell water data for July 4th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri Jul 04, 2025
3560.66
7,833,620
4235
11448
94.7
58.9
--
Thu Jul 04, 2024
3586.67
9,837,318
21804
11204
96.6
75.5
--
Tue Jul 04, 2023
3584.42
9,651,872
27194
18509
102.0
66.4
76.0
Mon Jul 04, 2022
3539.79
6,435,737
8129
9388
97.0
74.0
78.0
Sun Jul 04, 2021
3559.49
8,284,362
3964
11209
101.0
78.0
79.0
Sat Jul 04, 2020
3610.21
12,751,450
4739
9351
97.0
69.0
76.0
Thu Jul 04, 2019
3614.71
13,210,246
57545
13484
96.0
69.0
76.0
Wed Jul 04, 2018
3609.23
12,652,950
3831
11152
99.0
71.0
75.0
Tue Jul 04, 2017
3635.45
15,472,195
21942
12742
102.0
73.0
77.0
Mon Jul 04, 2016
3621.06
13,875,860
24948
13567
98.0
69.0
79.0
Sat Jul 04, 2015
3613.80
13,116,606
21034
15666
91.0
77.0
78.0
Fri Jul 04, 2014
3609.53
12,683,049
17214
11970
95.0
79.0
75.0
Thu Jul 04, 2013
3599.39
11,691,979
3098
12647
n/a
n/a
79.0
Wed Jul 04, 2012
3633.09
15,201,786
1176
13178
91.9
75.0
76.0
Mon Jul 04, 2011
3651.77
17,437,048
82685
19381
99.0
77.0
75.0
Sun Jul 04, 2010
3638.79
15,860,663
16525
11864
91.9
66.9
79.0
Sat Jul 04, 2009
3641.50
16,180,869
32564
12137
93.9
69.1
78.0
Fri Jul 04, 2008
3632.16
15,096,153
35638
13157
102.0
75.9
79.0
Wed Jul 04, 2007
3611.19
12,850,450
9907
12051
105.1
73.0
80.0
Tue Jul 04, 2006
3609.95
12,725,263
10661
12830
93.0
71.1
77.0
Mon Jul 04, 2005
3607.52
12,482,291
33153
12745
100.0
70.0
75.0
Sun Jul 04, 2004
3585.55
10,422,476
10558
12269
95.0
66.0
75.0
Fri Jul 04, 2003
3615.80
13,322,987
10691
10246
102.9
70.0
77.0
Thu Jul 04, 2002
3640.13
16,018,404
3707
13217
93.9
68.0
--
Wed Jul 04, 2001
3672.76
20,222,900
9193
9140
100.9
79.0
--
Tue Jul 04, 2000
3683.30
21,742,820
10744
7962
101.0
60.0
--
Sun Jul 04, 1999
3694.11
23,388,494
32780
16645
103.0
66.0
--
Sat Jul 04, 1998
3696.73
23,800,646
31412
15000
101.0
71.0
--
Fri Jul 04, 1997
3694.68
23,477,694
41741
20818
99.0
64.0
77.5
Thu Jul 04, 1996
3688.11
22,464,160
31135
16600
106.0
77.0
77.0
Tue Jul 04, 1995
3683.08
21,710,250
81759
15600
93.0
61.0
--
Mon Jul 04, 1994
3665.41
19,211,538
10802
10600
104.0
70.0
--
Sun Jul 04, 1993
3667.51
19,496,444
37697
10800
94.0
67.0
--
Sat Jul 04, 1992
3633.42
15,239,871
10756
10700
96.0
68.0
--
Thu Jul 04, 1991
3638.70
15,850,244
15666
18300
100.0
70.0
--
Wed Jul 04, 1990
3650.18
17,238,492
9248
14900
95.0
68.0
--
Tue Jul 04, 1989
3677.24
20,858,558
7967
9490
104.0
65.0
--
Mon Jul 04, 1988
3693.28
23,258,684
17156
6890
93.0
66.0
--
Sat Jul 04, 1987
3698.31
24,051,610
21015
13800
95.0
66.0
--
Fri Jul 04, 1986
3695.95
23,677,142
47922
20500
100.0
69.0
--
Thu Jul 04, 1985
3699.91
24,307,586
30627
30000
102.0
73.0
--
Wed Jul 04, 1984
3702.04
24,684,868
69387
43700
99.0
67.0
--
Mon Jul 04, 1983
3707.46
25,609,766
105086
83500
94.0
72.0
--
Sun Jul 04, 1982
3686.03
22,245,798
41579
10000
94.0
65.0
--
Sat Jul 04, 1981
3680.46
21,450,662
10294
7990
99.0
71.0
--
Fri Jul 04, 1980
3700.36
24,542,242
33677
27000
98.0
60.0
--
Wed Jul 04, 1979
3681.84
21,716,304
48164
6390
94.0
80.0
--
Tue Jul 04, 1978
3650.99
17,531,738
36611
7940
n/a
65.0
--
Mon Jul 04, 1977
3653.41
17,866,806
5210
8360
89.0
66.0
--
Sun Jul 04, 1976
3672.23
20,423,340
15123
7980
97.0
68.0
--
Fri Jul 04, 1975
3670.19
20,167,530
50833
17200
n/a
n/a
--
Thu Jul 04, 1974
3667.06
19,764,214
19224
18000
99.0
59.0
--
Wed Jul 04, 1973
3638.42
16,122,181
52335
8710
101.0
71.0
--
Tue Jul 04, 1972
3619.66
14,015,888
13653
9220
103.0
77.0
--
Sun Jul 04, 1971
3621.72
14,262,190
35283
12400
97.0
70.0
--
Sat Jul 04, 1970
3600.08
12,043,574
32499
14400
98.0
71.0
--
Fri Jul 04, 1969
3580.60
10,256,142
31366
17000
99.0
82.0
--
Thu Jul 04, 1968
3548.25
7,674,262
26144
8580
98.0
73.0
--
Tue Jul 04, 1967
3530.60
6,466,350
28574
10500
106.0
73.0
--
Mon Jul 04, 1966
3544.74
7,445,973
11022
9350
102.0
71.0
--
Sun Jul 04, 1965
3514.60
5,485,173
49239
15100
101.0
67.0
--
Sat Jul 04, 1964
3474.83
3,379,014
23256
1000
103.0
71.0
--
Thu Jul 04, 1963
17,400
4654
2470
99.0
73.0
--



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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 2.464 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