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 19, 1987

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 29, 1987
3688.03
-0.10
22,451,594
7897
11500
84.0
55.0
--
Mon, Sep 28, 1987
3688.13
-0.09
22,466,872
7963
14700
85.0
57.0
--
Sun, Sep 27, 1987
3688.22
-0.02
22,480,656
8070
12100
84.0
58.0
--
Sat, Sep 26, 1987
3688.24
-0.13
22,483,718
7953
13300
85.0
58.0
--
Fri, Sep 25, 1987
3688.37
-0.14
22,503,628
8137
14700
82.0
54.0
--
Thu, Sep 24, 1987
3688.51
-0.06
22,525,032
8090
14700
79.0
62.0
--
Wed, Sep 23, 1987
3688.57
-0.11
22,534,220
8360
12400
87.0
60.0
--
Tue, Sep 22, 1987
3688.68
-0.08
22,551,030
8444
12600
87.0
55.0
--
Mon, Sep 21, 1987
3688.76
-0.17
22,563,282
8406
20900
88.0
58.0
--
Sun, Sep 20, 1987
3688.93
-0.12
22,589,280
8705
16000
89.0
56.0
--
Sat, Sep 19, 1987
3689.05
-0.17
22,607,608
8976
18900
88.0
56.0
--
Fri, Sep 18, 1987
3689.22
-0.14
22,633,436
8895
18600
90.0
58.0
--
Thu, Sep 17, 1987
3689.36
-0.17
22,654,736
8597
19900
89.0
59.0
--
Wed, Sep 16, 1987
3689.53
-0.13
22,680,564
8444
20200
88.0
51.0
--
Tue, Sep 15, 1987
3689.66
-0.24
22,700,306
7779
19400
85.0
52.0
--
Mon, Sep 14, 1987
3689.90
-0.24
22,736,786
7786
20000
83.0
51.0
--
Sun, Sep 13, 1987
3690.14
-0.06
22,773,544
7815
18500
90.0
57.0
--
Sat, Sep 12, 1987
3690.20
-0.13
22,782,792
8167
15200
90.0
59.0
--
Fri, Sep 11, 1987
3690.33
-0.13
22,802,832
8255
17400
91.0
60.0
--
Thu, Sep 10, 1987
3690.46
-0.10
22,822,834
8820
15900
91.0
61.0
--
Wed, Sep 09, 1987
3690.56
-0.13
22,838,250
8610
16700
92.0
65.0
--
Averages of List
3689.18
-0.13
22,627,762
8294
16362
87
57.2
--


Averages for September 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3636.37
-0.07
16,175,111
8753
12734
86.6
59.3
74.6
All-Time
3627.22
-0.07
15,104,219
8751
12124
72.3
48.3
62.7


All Lake Powell water data for September 19th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Fri Sep 19, 2025
3545.97
6,831,942
8675
9631
87.3
61.9
--
Thu Sep 19, 2024
3578.89
9,205,833
6464
9744
81.8
48.2
--
Tue Sep 19, 2023
3573.58
8,790,737
5985
7077
85.5
54.1
78.0
Mon Sep 19, 2022
3529.38
5,800,377
7726
9575
92.0
63.0
78.0
Sun Sep 19, 2021
3547.06
7,376,594
4493
9335
86.0
60.0
77.0
Sat Sep 19, 2020
3597.35
11,499,006
4364
10262
92.0
72.0
72.0
Thu Sep 19, 2019
3616.47
13,392,590
6005
11936
90.0
69.0
74.0
Wed Sep 19, 2018
3594.14
11,199,452
4828
11639
90.0
67.0
75.0
Tue Sep 19, 2017
3629.18
14,761,208
0
11582
88.0
61.0
77.0
Mon Sep 19, 2016
3611.36
12,867,682
6329
12112
93.0
59.0
74.0
Sat Sep 19, 2015
3607.15
12,445,565
6863
11444
87.1
59.0
77.0
Fri Sep 19, 2014
3605.73
12,305,296
9075
10407
91.9
73.0
77.0
Thu Sep 19, 2013
3591.19
10,928,576
12028
10797
84.0
62.1
66.0
Wed Sep 19, 2012
3622.33
14,011,695
4890
8076
89.1
61.0
75.0
Mon Sep 19, 2011
3653.90
17,706,060
15403
15602
88.0
62.1
75.0
Sun Sep 19, 2010
3633.80
15,282,782
6893
8106
96.1
61.0
72.0
Sat Sep 19, 2009
3636.07
15,543,795
8384
9737
87.1
61.0
76.0
Fri Sep 19, 2008
3627.92
14,621,207
9565
12192
84.9
62.1
75.0
Wed Sep 19, 2007
3601.65
11,908,172
7283
10490
84.9
60.1
75.0
Tue Sep 19, 2006
3601.88
11,930,323
9453
9093
82.0
48.9
72.0
Mon Sep 19, 2005
3602.17
11,958,298
7489
8196
87.1
57.0
73.0
Sun Sep 19, 2004
3570.74
9,167,022
5026
7970
79.0
55.0
73.0
Fri Sep 19, 2003
3604.40
12,174,871
7642
8255
80.1
50.0
74.0
Thu Sep 19, 2002
3627.30
14,552,676
7316
8514
73.9
54.0
74.0
Wed Sep 19, 2001
3665.26
19,191,328
6086
7809
88.0
60.1
--
Tue Sep 19, 2000
3678.39
21,024,504
5871
8038
91.0
60.0
--
Sun Sep 19, 1999
3692.77
23,179,682
15529
16831
87.0
56.0
--
Sat Sep 19, 1998
3689.09
22,613,270
11236
16800
92.0
59.0
--
Fri Sep 19, 1997
3689.81
22,723,280
15569
19800
91.0
73.0
76.5
Thu Sep 19, 1996
3680.31
21,303,252
9951
14700
78.0
48.0
--
Tue Sep 19, 1995
3688.86
22,578,210
9762
18000
93.0
62.0
--
Mon Sep 19, 1994
3655.35
17,890,870
7468
11000
88.0
63.0
--
Sun Sep 19, 1993
3663.23
18,919,244
9718
8660
77.0
54.0
--
Sat Sep 19, 1992
3624.09
14,201,820
6646
10900
77.0
59.0
--
Thu Sep 19, 1991
3629.87
14,838,518
10316
14100
90.0
60.0
--
Wed Sep 19, 1990
3638.68
15,847,892
5895
14400
73.0
53.0
--
Tue Sep 19, 1989
3666.81
19,401,168
5068
15000
89.0
59.0
--
Mon Sep 19, 1988
3686.71
22,252,494
8089
12600
90.0
42.0
--
Sat Sep 19, 1987
3689.05
22,607,608
8976
18900
88.0
56.0
--
Fri Sep 19, 1986
3691.17
22,932,168
14228
27800
87.0
57.0
--
Thu Sep 19, 1985
3686.99
22,294,498
15646
22900
72.0
52.0
--
Wed Sep 19, 1984
3697.80
24,002,494
16045
24000
88.0
67.0
--
Mon Sep 19, 1983
3700.97
24,543,898
12902
26400
93.0
64.0
--
Sun Sep 19, 1982
3686.97
22,387,058
16998
7580
86.0
60.0
--
Sat Sep 19, 1981
3672.55
20,315,860
8721
9780
88.0
63.0
--
Fri Sep 19, 1980
3688.90
22,744,210
9751
18000
96.0
57.0
--
Wed Sep 19, 1979
3678.97
21,296,058
7668
9590
87.0
57.0
--
Tue Sep 19, 1978
3641.76
16,393,281
6480
11300
71.0
45.0
--
Mon Sep 19, 1977
3638.91
16,078,795
5634
13000
89.0
57.0
--
Sun Sep 19, 1976
3665.25
19,457,180
8115
9590
90.0
58.0
--
Fri Sep 19, 1975
3669.66
20,093,690
10527
14800
90.0
68.0
--
Thu Sep 19, 1974
3653.27
17,932,272
8688
11400
86.0
64.0
--
Wed Sep 19, 1973
3646.19
17,066,076
12898
7360
86.0
60.0
--
Tue Sep 19, 1972
3605.23
12,514,012
6216
18000
85.0
57.0
--
Sun Sep 19, 1971
3615.33
13,575,100
9539
6650
68.0
46.0
--
Sat Sep 19, 1970
3599.58
11,994,922
16799
11800
88.0
57.0
--
Fri Sep 19, 1969
3573.72
9,663,350
11081
14500
90.0
60.0
--
Thu Sep 19, 1968
3545.99
7,510,952
8139
9950
89.0
58.0
--
Tue Sep 19, 1967
3529.08
6,367,174
8445
10800
71.0
60.0
--
Mon Sep 19, 1966
3531.86
6,560,239
6672
13200
90.0
61.0
--
Sun Sep 19, 1965
3529.26
6,399,760
9319
12600
61.0
46.0
--
Sat Sep 19, 1964
3490.24
4,138,480
7187
2500
81.0
61.0
--
Thu Sep 19, 1963
469,400
5254
1010
84.0
59.0
--



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 2.632 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