Water Database





The earliest data is from
The most recent data is from Wednesday, August 15th, 2018

Water Data for 20 days surrounding May 12, 1975

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Thu, May 22, 1975
3651.53
0.59
17682550
40682.00
13200.00
64.0
43.0
--
Wed, May 21, 1975
3650.94
0.44
17607692
38065.00
12100.00
69.0
41.0
--
Tue, May 20, 1975
3650.50
0.52
17552072
37908.00
12100.00
84.0
43.0
--
Mon, May 19, 1975
3649.98
0.35
17486338
34271.00
15500.00
84.0
51.0
--
Sun, May 18, 1975
3649.63
0.39
17442258
30958.00
10800.00
81.0
54.0
--
Sat, May 17, 1975
3649.24
0.28
17393168
27723.00
12900.00
77.0
53.0
--
Fri, May 16, 1975
3648.96
0.27
17357932
26135.00
15100.00
89.0
61.0
--
Thu, May 15, 1975
3648.69
0.17
17324062
25821.00
14900.00
91.0
58.0
--
Wed, May 14, 1975
3648.52
0.22
17302748
22968.00
14600.00
86.0
54.0
--
Tue, May 13, 1975
3648.30
0.06
17275158
19194.00
14800.00
82.0
55.0
--
Mon, May 12, 1975
3648.24
0.12
17267624
16244.00
15600.00
87.0
58.0
--
Sun, May 11, 1975
3648.12
0.00
17252590
14959.00
12600.00
86.0
53.0
--
Sat, May 10, 1975
3648.12
0.03
17252590
15695.00
13500.00
83.0
50.0
--
Fri, May 09, 1975
3648.09
-0.03
17248824
17243.00
16900.00
81.0
51.0
--
Thu, May 08, 1975
3648.12
0.02
17252590
19361.00
19700.00
75.0
49.0
--
Wed, May 07, 1975
3648.10
0.00
17250078
19684.00
21200.00
70.0
40.0
--
Tue, May 06, 1975
3648.10
0.02
17250078
18479.00
17800.00
60.0
38.0
--
Mon, May 05, 1975
3648.08
-0.05
17247568
18851.00
17300.00
60.0
48.0
--
Sun, May 04, 1975
3648.13
0.17
17253816
18743.00
10400.00
79.0
56.0
--
Sat, May 03, 1975
3647.96
0.11
17232554
17910.00
12000.00
80.0
55.0
--
Fri, May 02, 1975
3647.85
0.01
17218910
18175.00
15800.00
70.0
45.0
--
Averages of List
3648.82
0.18
17340533.33
23765.19
14704.76
78.00
50.29
--


Averages for May 12th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3638.84
0.22
16299335.00
26379.16
13989.39
80.82
53.30
60.7
All-Time
3622.70
0.25
14976935.84
26000.54
13237.45
72.20
48.16
62.9


All Lake Powell water data for May 12th

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Sat May 12, 2018
3609.31
12660971
9988.00
8973.00
74.0
64.0
63.0
Fri May 12, 2017
3607.90
12520080
37188.00
10738.00
87.0
57.0
63.0
Thu May 12, 2016
3593.61
11150474
27240.00
11760.00
82.9
53.1
60.0
Tue May 12, 2015
3590.80
10893082
22051.00
11746.00
81.0
52.0
62.0
Mon May 12, 2014
3580.83
10010806
30305.00
8395.00
64.9
45.0
57.0
Sun May 12, 2013
3596.14
11385502
11411.00
8948.00
87.1
60.1
64.0
Sat May 12, 2012
3635.95
15529918
13633.00
9289.00
86.0
60.1
64.0
Thu May 12, 2011
3614.36
13174179
35869.00
14457.00
80.1
n/a
61.0
Wed May 12, 2010
3621.43
13915333
14195.00
9975.00
63.0
42.1
55.0
Tue May 12, 2009
3615.62
13304322
35663.00
10298.00
90.0
66.0
61.0
Mon May 12, 2008
3597.94
11554603
31888.00
12875.00
80.1
45.0
61.0
Sat May 12, 2007
3603.10
12048317
20847.00
9503.00
93.9
64.0
64.0
Fri May 12, 2006
3596.57
11425763
22869.00
9891.00
90.0
55.0
64.0
Thu May 12, 2005
3567.52
8908127
26985.00
10365.00
73.0
45.0
59.0
Wed May 12, 2004
3583.65
10255448
18073.00
10158.00
71.1
53.1
59.0
Mon May 12, 2003
3605.31
12264017
10141.00
9886.00
82.0
51.1
56.0
Sun May 12, 2002
3645.09
16612289
7195.00
9323.00
75.0
52.0
59.0
Sat May 12, 2001
3663.73
18985976
15301.00
10104.00
89.1
62.1
--
Fri May 12, 2000
3676.48
20749944
29917.00
16971.00
72.0
39.0
--
Wed May 12, 1999
3678.71
21070780
17492.00
19042.00
76.0
48.0
--
Tue May 12, 1998
3681.47
21472970
45015.00
16600.00
78.0
57.0
--
Mon May 12, 1997
3667.50
19495078
40103.00
21100.00
89.0
61.0
--
Sun May 12, 1996
3674.08
20408758
33241.00
13200.00
94.0
59.0
--
Fri May 12, 1995
3649.00
17091562
25321.00
11300.00
80.0
56.0
--
Thu May 12, 1994
3655.17
17867834
19782.00
10900.00
81.0
50.0
--
Wed May 12, 1993
3628.92
14732232
30575.00
10800.00
86.0
49.0
--
Tue May 12, 1992
3623.80
14170405
25645.00
10400.00
89.0
59.0
--
Sun May 12, 1991
3627.31
14554106
14969.00
15200.00
71.0
46.0
--
Sat May 12, 1990
3649.04
17096964
8685.00
10300.00
80.0
60.0
--
Fri May 12, 1989
3676.31
20725338
12822.00
8090.00
63.0
45.0
--
Thu May 12, 1988
3684.61
21937906
14214.00
10500.00
95.0
53.0
--
Tue May 12, 1987
3688.71
22555624
37193.00
14600.00
89.0
61.0
--
Mon May 12, 1986
3684.61
21937906
49133.00
47800.00
n/a
n/a
--
Sun May 12, 1985
3691.19
22935250
76316.00
26300.00
72.0
54.0
--
Sat May 12, 1984
3673.91
20415138
41614.00
44400.00
93.0
58.0
--
Thu May 12, 1983
3688.78
22630154
42310.00
19700.00
75.0
41.0
--
Wed May 12, 1982
3669.56
19868208
33977.00
7930.00
72.0
41.0
--
Tue May 12, 1981
3677.77
21059366
13242.00
9780.00
85.0
55.0
--
Mon May 12, 1980
3683.35
21908104
50289.00
9840.00
75.0
40.0
--
Sat May 12, 1979
3651.78
17603966
36859.00
5660.00
n/a
n/a
--
Fri May 12, 1978
3628.76
14881294
19645.00
9810.00
n/a
58.0
--
Thu May 12, 1977
3653.13
17831008
8607.00
2840.00
82.0
43.0
--
Wed May 12, 1976
3664.72
19385202
21851.00
17500.00
85.0
61.0
--
Mon May 12, 1975
3648.24
17267624
16244.00
15600.00
87.0
58.0
--
Sun May 12, 1974
3656.17
18306806
42457.00
11100.00
92.0
56.0
--
Sat May 12, 1973
3597.22
11710483
36761.00
6890.00
81.0
65.0
--
Fri May 12, 1972
3609.78
12975506
14891.00
17800.00
79.0
53.0
--
Wed May 12, 1971
3604.52
12462989
26272.00
17700.00
79.0
58.0
--
Tue May 12, 1970
3568.42
9206683
27899.00
15100.00
85.0
53.0
--
Mon May 12, 1969
3558.62
8440190
34859.00
14300.00
86.0
55.0
--
Sun May 12, 1968
3515.58
5517005
24223.00
10200.00
75.0
38.0
--
Fri May 12, 1967
3504.30
4873596
5277.00
16000.00
77.0
45.0
--
Thu May 12, 1966
3541.57
7221293
33320.00
14600.00
68.0
43.0
--
Wed May 12, 1965
3491.35
4189992
29576.00
22700.00
75.0
53.0
--
Tue May 12, 1964
3395.00
575000
7554.00
1060.00
83.0
53.0
--
Sun May 12, 1963
17038.00
1000.00
75.0
45.0
--



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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