Water Database





The earliest data is from
The most recent data is from Tuesday, July 17th, 2018

Water Data for 20 days surrounding Jul 31, 1971

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Aug 10, 1971
3619.71
-0.14
14043531
8946.00
12900.00
99.0
74.0
--
Mon, Aug 09, 1971
3619.85
-0.08
14058736
8612.00
12600.00
98.0
70.0
--
Sun, Aug 08, 1971
3619.93
-0.05
14067397
8123.00
7990.00
95.0
71.0
--
Sat, Aug 07, 1971
3619.98
-0.03
14072828
8272.00
9990.00
95.0
69.0
--
Fri, Aug 06, 1971
3620.01
-0.19
14076089
8823.00
13600.00
91.0
74.0
--
Thu, Aug 05, 1971
3620.20
-0.22
14096762
9327.00
14700.00
99.0
67.0
--
Wed, Aug 04, 1971
3620.42
-0.05
14120701
9605.00
14400.00
100.0
74.0
--
Tue, Aug 03, 1971
3620.47
-0.12
14126149
9531.00
15600.00
102.0
76.0
--
Mon, Aug 02, 1971
3620.59
-0.20
14139221
9951.00
14000.00
103.0
74.0
--
Sun, Aug 01, 1971
3620.79
-0.01
14160982
10405.00
9990.00
98.0
74.0
--
Sat, Jul 31, 1971
3620.80
0.00
14162072
11654.00
12400.00
97.0
69.0
--
Fri, Jul 30, 1971
3620.80
-0.18
14162072
12534.00
13900.00
101.0
79.0
--
Thu, Jul 29, 1971
3620.98
-0.11
14181655
13340.00
14200.00
106.0
78.0
--
Wed, Jul 28, 1971
3621.09
-0.08
14193638
14313.00
15100.00
103.0
72.0
--
Tue, Jul 27, 1971
3621.17
-0.10
14202326
15064.00
14400.00
102.0
72.0
--
Mon, Jul 26, 1971
3621.27
0.00
14213220
14915.00
13700.00
103.0
73.0
--
Sun, Jul 25, 1971
3621.27
-0.01
14213220
15712.00
10600.00
102.0
69.0
--
Sat, Jul 24, 1971
3621.28
-0.02
14214310
15412.00
13400.00
101.0
67.0
--
Fri, Jul 23, 1971
3621.30
0.00
14216488
15493.00
16600.00
95.0
67.0
--
Thu, Jul 22, 1971
3621.30
-0.17
14216488
14669.00
18000.00
100.0
74.0
--
Wed, Jul 21, 1971
3621.47
-0.02
14234982
14162.00
18800.00
98.0
77.0
--
Averages of List
3620.70
-0.08
14151088.90
11850.62
13660.48
99.43
72.38
--


Averages for July 31st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3655.25
-0.12
18333754.76
12338.87
17183.84
96.59
71.66
80.1
All-Time
3640.53
-0.09
16590483.71
12394.44
15797.20
71.97
48.17
63.2


All Lake Powell water data for July 31st

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Mon Jul 31, 2017
3634.69
15384745
11035.00
14376.00
99.0
75.0
81.0
Sun Jul 31, 2016
3618.22
13575516
12130.00
13493.00
97.0
69.0
79.0
Fri Jul 31, 2015
3612.62
12995833
7898.00
17292.00
97.0
75.0
78.0
Thu Jul 31, 2014
3608.05
12535019
5190.00
13011.00
98.6
73.9
80.0
Wed Jul 31, 2013
3594.17
11202228
6251.00
14039.00
97.0
72.0
79.0
Tue Jul 31, 2012
3628.45
14679979
5017.00
14913.00
95.0
69.1
--
Sun Jul 31, 2011
3660.86
18605440
31112.00
24172.00
93.9
75.0
79.0
Sat Jul 31, 2010
3636.52
15595908
8491.00
13002.00
88.0
69.1
82.0
Fri Jul 31, 2009
3641.14
16138064
11588.00
13428.00
98.1
68.0
80.0
Thu Jul 31, 2008
3633.00
15191540
13381.00
14531.00
102.0
73.0
80.0
Tue Jul 31, 2007
3607.35
12465417
7876.00
13234.00
93.0
68.0
81.0
Mon Jul 31, 2006
3606.85
12415852
6941.00
13666.00
93.0
71.1
82.0
Sun Jul 31, 2005
3606.87
12417834
11251.00
11755.00
98.1
73.9
80.0
Sat Jul 31, 2004
3579.70
9913853
6690.00
14436.00
99.0
72.0
78.0
Thu Jul 31, 2003
3610.63
12793807
6687.00
15871.00
93.9
73.0
82.0
Wed Jul 31, 2002
3634.24
15333130
3480.00
15120.00
102.9
77.0
81.0
Tue Jul 31, 2001
3669.46
19763890
5318.00
14060.00
93.9
72.0
79.0
Mon Jul 31, 2000
3682.12
21568546
5832.00
8026.00
102.0
72.0
--
Sat Jul 31, 1999
3694.04
23377542
16083.00
19082.00
85.0
66.0
--
Fri Jul 31, 1998
3695.24
23565606
19004.00
21400.00
97.0
70.0
81.5
Thu Jul 31, 1997
3693.50
23293258
14649.00
21279.00
90.0
65.0
--
Wed Jul 31, 1996
3686.49
22219242
7871.00
13900.00
102.0
74.0
--
Mon Jul 31, 1995
3693.59
23307304
30095.00
19000.00
107.0
76.0
--
Sun Jul 31, 1994
3661.76
18724122
4761.00
11900.00
101.0
70.0
--
Sat Jul 31, 1993
3667.73
19526474
11523.00
15500.00
100.0
78.0
--
Fri Jul 31, 1992
3630.54
14913754
9266.00
14100.00
100.0
73.0
--
Wed Jul 31, 1991
3635.59
15488860
8503.00
18000.00
95.0
78.0
--
Tue Jul 31, 1990
3647.31
16883482
5130.00
17800.00
98.0
70.0
--
Mon Jul 31, 1989
3673.59
20339612
8110.00
13600.00
99.0
71.0
--
Sun Jul 31, 1988
3690.98
22902918
5960.00
10300.00
98.0
66.0
--
Fri Jul 31, 1987
3696.09
23699234
11403.00
20800.00
90.0
68.0
--
Thu Jul 31, 1986
3699.71
24275594
24851.00
28800.00
98.0
69.0
--
Wed Jul 31, 1985
3697.12
23862098
22424.00
28700.00
96.0
70.0
--
Tue Jul 31, 1984
3702.15
24702672
30535.00
24000.00
89.0
67.0
--
Sun Jul 31, 1983
3707.45
25608094
40285.00
41500.00
88.0
71.0
--
Sat Jul 31, 1982
3687.35
22444486
15920.00
11000.00
98.0
77.0
--
Fri Jul 31, 1981
3677.79
21062258
7660.00
19000.00
98.0
69.0
--
Thu Jul 31, 1980
3696.40
23909470
8676.00
24900.00
100.0
77.0
--
Tue Jul 31, 1979
3684.32
22084588
17468.00
18000.00
n/a
n/a
--
Mon Jul 31, 1978
3652.29
17696266
9285.00
14100.00
103.0
75.0
--
Sun Jul 31, 1977
3649.36
17353964
8237.00
12500.00
107.0
77.0
--
Sat Jul 31, 1976
3670.39
20165268
9912.00
8090.00
87.0
58.0
--
Thu Jul 31, 1975
3674.81
20820418
21223.00
18300.00
90.0
69.0
--
Wed Jul 31, 1974
3662.62
19160546
10259.00
21400.00
97.0
70.0
--
Tue Jul 31, 1973
3644.05
16802152
21777.00
10600.00
99.0
76.0
--
Mon Jul 31, 1972
3615.43
13564192
6702.00
18900.00
104.0
81.0
--
Sat Jul 31, 1971
3620.80
14162072
11654.00
12400.00
97.0
69.0
--
Fri Jul 31, 1970
3600.88
12122068
12329.00
13800.00
n/a
n/a
--
Thu Jul 31, 1969
3580.54
10250885
12131.00
16500.00
103.0
72.0
--
Wed Jul 31, 1968
3546.10
7518845
15215.00
14600.00
83.0
68.0
--
Mon Jul 31, 1967
3532.53
6593726
9909.00
10600.00
99.0
74.0
--
Sun Jul 31, 1966
3540.01
7112460
6489.00
9830.00
95.0
70.0
--
Sat Jul 31, 1965
3530.91
6507578
27866.00
14200.00
99.0
74.0
--
Fri Jul 31, 1964
3484.15
3829495
9959.00
1050.00
91.0
73.0
--
Wed Jul 31, 1963
49400
2402.00
990.00
104.0
75.0
--



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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



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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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