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 Dec 21, 1990

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon, Dec 31, 1990
3633.48
-0.19
15,246,718
4717
13200
31.0
10.0
--
Sun, Dec 30, 1990
3633.67
0.03
15,268,371
4663
4930
42.0
11.0
--
Sat, Dec 29, 1990
3633.64
-0.03
15,264,948
4467
4950
43.0
16.0
--
Fri, Dec 28, 1990
3633.67
-0.11
15,268,371
4347
5990
36.0
13.0
--
Thu, Dec 27, 1990
3633.78
-0.09
15,280,923
4096
10900
38.0
11.0
--
Wed, Dec 26, 1990
3633.87
-0.16
15,291,193
4020
10900
34.0
15.0
--
Tue, Dec 25, 1990
3634.03
-0.16
15,309,453
4303
10900
32.0
7.0
--
Mon, Dec 24, 1990
3634.19
-0.16
15,327,843
4963
10900
24.0
4.0
--
Sun, Dec 23, 1990
3634.35
-0.15
15,346,261
5469
10900
32.0
4.0
--
Sat, Dec 22, 1990
3634.50
-0.12
15,363,500
5556
10900
34.0
7.0
--
Fri, Dec 21, 1990
3634.62
-0.10
15,377,313
5433
10800
33.0
14.0
--
Thu, Dec 20, 1990
3634.72
-0.10
15,388,797
5327
10900
47.0
22.0
--
Wed, Dec 19, 1990
3634.82
-0.11
15,400,308
5338
10800
51.0
23.0
--
Tue, Dec 18, 1990
3634.93
-0.08
15,412,942
5719
10900
48.0
31.0
--
Mon, Dec 17, 1990
3635.01
-0.09
15,422,151
6210
9820
48.0
32.0
--
Sun, Dec 16, 1990
3635.10
0.00
15,432,511
6101
4990
47.0
26.0
--
Sat, Dec 15, 1990
3635.10
-0.01
15,432,511
6024
4990
46.0
22.0
--
Fri, Dec 14, 1990
3635.11
0.01
15,433,662
5894
6160
52.0
30.0
--
Thu, Dec 13, 1990
3635.10
-0.12
15,432,511
5654
11700
53.0
32.0
--
Wed, Dec 12, 1990
3635.22
-0.09
15,446,297
5338
11600
52.0
36.0
--
Tue, Dec 11, 1990
3635.31
-0.13
15,456,657
5011
11600
50.0
24.0
--
Averages of List
3634.49
-0.09
15,362,059
5174
9463
41.6
18.6
--


Averages for December 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3631.95
-0.1
15,621,561
7367
13590
46.8
29
51.8
All-Time
3622.93
-0.1
14,596,431
7887
13003
72.3
48.3
62.7


All Lake Powell water data for December 21st

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat Dec 21, 2024
3572.93
8,740,787
5325
9613
47.1
31.1
--
Thu Dec 21, 2023
3569.75
8,499,209
7682
10251
51.5
36.5
59.0
Wed Dec 21, 2022
3525.83
5,592,811
3163
9256
44.8
27.7
47.0
Tue Dec 21, 2021
3538.75
6,807,479
2025
9039
39.0
29.0
49.0
Mon Dec 21, 2020
3583.97
10,283,463
4291
12515
49.0
28.0
50.0
Sat Dec 21, 2019
3609.51
12,681,041
9045
12439
42.0
28.0
52.0
Fri Dec 21, 2018
3583.26
10,221,392
3987
12654
50.0
34.0
52.0
Thu Dec 21, 2017
3623.58
14,146,346
0
12545
48.0
30.0
53.0
Wed Dec 21, 2016
3602.21
11,962,167
5637
15745
41.0
32.0
53.0
Mon Dec 21, 2015
3602.36
11,976,656
5732
14268
48.0
34.0
52.0
Sun Dec 21, 2014
3599.06
11,660,626
7856
12622
46.0
33.1
54.0
Sat Dec 21, 2013
3585.34
10,403,926
6062
9058
50.0
33.1
48.0
Fri Dec 21, 2012
3611.76
12,908,274
3335
13411
35.1
21.2
51.0
Wed Dec 21, 2011
3641.49
16,179,678
5280
20309
44.1
28.9
53.0
Tue Dec 21, 2010
3627.58
14,583,593
6725
13898
59.0
48.9
52.0
Mon Dec 21, 2009
3627.74
14,601,285
7239
15406
39.0
28.0
53.0
Sun Dec 21, 2008
3619.40
13,699,772
6520
12259
39.9
30.9
53.0
Fri Dec 21, 2007
3596.16
11,387,364
6497
13309
42.1
28.0
51.0
Thu Dec 21, 2006
3604.40
12,174,871
8710
13520
43.0
27.0
51.0
Wed Dec 21, 2005
3599.30
11,683,428
8048
13335
50.0
33.1
51.0
Tue Dec 21, 2004
3565.31
8,733,346
6269
9879
50.0
37.0
52.0
Sun Dec 21, 2003
3598.34
11,592,411
4598
8654
51.1
32.0
52.0
Sat Dec 21, 2002
3621.14
13,884,377
4693
8992
36.0
21.9
52.0
Fri Dec 21, 2001
3657.33
18,145,394
1373
13771
44.1
25.0
51.0
Thu Dec 21, 2000
3671.03
19,981,272
5498
13807
51.0
24.0
--
Tue Dec 21, 1999
3682.27
21,590,628
8468
16158
51.0
28.0
--
Mon Dec 21, 1998
3683.99
21,845,210
10480
15002
49.0
21.0
--
Sun Dec 21, 1997
3683.59
21,785,818
13160
18800
48.0
29.0
--
Sat Dec 21, 1996
3675.54
20,615,810
8390
13800
47.0
25.0
--
Thu Dec 21, 1995
3681.65
21,499,390
11722
15900
48.0
27.0
--
Wed Dec 21, 1994
3650.66
17,298,000
6343
10700
52.0
26.0
--
Tue Dec 21, 1993
3660.13
18,509,604
9641
13700
48.0
18.0
--
Mon Dec 21, 1992
3617.13
13,461,377
5370
11200
34.0
16.0
--
Sat Dec 21, 1991
3625.07
14,308,637
7974
11100
45.0
32.0
--
Fri Dec 21, 1990
3634.62
15,377,313
5433
10800
33.0
14.0
--
Thu Dec 21, 1989
3659.29
18,400,350
5095
14000
51.0
26.0
--
Wed Dec 21, 1988
3680.74
21,366,038
5785
16200
62.0
34.0
--
Mon Dec 21, 1987
3685.76
22,110,002
8356
10400
46.0
28.0
--
Sun Dec 21, 1986
3685.44
22,061,992
17528
25000
50.0
32.0
--
Sat Dec 21, 1985
3686.70
22,250,992
14075
10600
51.0
30.0
--
Fri Dec 21, 1984
3686.28
22,219,792
14086
24900
50.0
32.0
--
Wed Dec 21, 1983
3686.72
22,317,656
14195
23600
49.0
26.0
--
Tue Dec 21, 1982
3685.03
22,095,652
13552
15400
n/a
n/a
--
Mon Dec 21, 1981
3668.35
19,731,496
7054
16900
58.0
39.0
--
Sun Dec 21, 1980
3681.22
21,593,532
9238
6830
n/a
n/a
--
Fri Dec 21, 1979
3672.36
20,350,124
9903
10000
43.0
23.0
--
Thu Dec 21, 1978
3633.38
15,407,147
13182
17900
38.0
22.0
--
Wed Dec 21, 1977
3631.98
15,270,388
5300
18200
39.0
22.0
--
Tue Dec 21, 1976
3656.28
18,264,626
9140
13200
47.0
20.0
--
Sun Dec 21, 1975
3667.28
19,764,532
12103
13900
44.0
32.0
--
Sat Dec 21, 1974
3648.60
17,339,832
9202
6630
50.0
31.0
--
Fri Dec 21, 1973
3647.92
17,281,458
12125
4870
43.0
23.0
--
Thu Dec 21, 1972
3606.67
12,658,947
9848
20300
37.0
29.0
--
Tue Dec 21, 1971
3609.47
12,964,250
10785
19200
38.0
18.0
--
Mon Dec 21, 1970
3600.39
12,073,979
11057
13800
44.0
30.0
--
Sun Dec 21, 1969
3572.32
9,545,358
11482
8410
55.0
35.0
--
Sat Dec 21, 1968
3540.18
7,101,033
9204
9920
33.0
31.0
--
Thu Dec 21, 1967
3526.46
6,198,591
7375
9610
38.0
11.0
--
Wed Dec 21, 1966
3523.00
5,989,524
5666
10800
49.0
26.0
--
Tue Dec 21, 1965
3533.96
6,710,418
10382
11000
41.0
24.0
--
Mon Dec 21, 1964
3490.94
4,174,877
5534
5910
44.0
25.0
--
Sat Dec 21, 1963
913,400
5142
1020
49.0
7.0
--



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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 2.845 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