Lake Mead Water Database

Lake Mead, Hoover Dam, Las Vegas, Casino

Lake Mead
Lake Mead
Lake Mead
Water Summary
Today is day 245 of 366 for the Water Year 2020. We are 67% through the Water Year.
Last Reading: 1091.32 on May 31, 2020
Lake Mead was last within 2" of this elevation on May 30, 2020

Elevation & Content Water Inflow Data Hoover Dam Release Data
Lake Mead is 128.28 feet below Full Pool (Elevation 1219.60 )

By content, Lake Mead is 42.4% of Full Pool (25,877,000 af)
Total inflows for water year 2020: 1,402,759 acre feet

This is 38.21% of the May 31st average of 3,670,908 acre feet
Total releases for water year 2020: 4,871,438 acre feet

This is 54.13% of minimum required release of 9,000,000 acre feet
During WY 2020, water storage has risen by 710,317 AF
Inflows for WY 2020 are 0% of WY 2019          Rivers feeding Lake Mead are running at 33.77% of the Jun 1st avg. Click for Details

Lake Mead is up 4.84 feet from one year ago.    Lake Mead is down 7.33 feet from the high for water year.

View Acre Feet     Last 14 Measurements
Lake Mead is down -2.42 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP
Sun, May 31, 2020
1091.32
-0.15
10971317
11299
16802
n/a
n/a
Sat, May 30, 2020
1091.47
-0.16
10984334
11123
17087
n/a
n/a
Fri, May 29, 2020
1091.63
-0.25
10998242
10769
20997
106.0
81.0
Thu, May 28, 2020
1091.88
-0.25
11019982
10801
21070
106.0
82.0
Wed, May 27, 2020
1092.13
-0.32
11041746
7912
21410
106.0
79.0
Tue, May 26, 2020
1092.45
-0.23
11069631
11182
20430
100.0
70.0
Mon, May 25, 2020
1092.68
-0.19
11089702
10788
17901
89.0
70.0
Sun, May 24, 2020
1092.87
-0.14
11106289
10184
15715
87.0
65.0
Sat, May 23, 2020
1093.01
-0.12
11118512
12111
16026
82.0
65.0
Fri, May 22, 2020
1093.13
-0.16
11129010
10222
16164
89.0
69.0
Thu, May 21, 2020
1093.29
-0.16
11143007
12520
18524
85.0
63.0
Wed, May 20, 2020
1093.45
-0.15
11157004
9277
15116
78.0
57.0
Tue, May 19, 2020
1093.60
-0.14
11170144
10679
15621
73.0
59.0
Mon, May 18, 2020
1093.74
-0.16
11182416
9987
15059
88.0
70.0
Averages of List
1092.62
-0.18
11084381.14
10632.43
17708.71
90.75
69.17

Averages for June 1st

AVERAGE TYPE ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP
Since Filled
1156.92
0.12
18413051.08
14624.96
15509.79
97.32
71.29
All-Time
1150.61
0.20
18496050.43
14624.96
15320.63
97.32
71.29

Last 10 June 1st's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP
Sat, Jun 01, 2019
1086.40
-0.08
10548000
n/a
16500
91.0
68.0
Fri, Jun 01, 2018
1079.90
-0.10
10003000
n/a
16900
93.0
68.0
Thu, Jun 01, 2017
1081.40
-0.16
10127000
n/a
15400
93.0
69.0
Wed, Jun 01, 2016
1073.63
-0.17
9490000
n/a
15100
100.0
69.0
Mon, Jun 01, 2015
1076.44
-0.09
9718190
n/a
14706
96.0
75.0
Sun, Jun 01, 2014
1087.32
-0.33
10626850
n/a
13998
97.0
70.0
Sat, Jun 01, 2013
1108.32
-0.11
12491020
80
10306
99.0
68.0
Fri, Jun 01, 2012
1119.17
-0.21
13520840
10260
19196
106.9
73.9
Wed, Jun 01, 2011
1098.04
0.14
11316560
25092
14375
86.0
64.9
Tue, Jun 01, 2010
1094.20
-0.10
10978000
10266
12936
91.9
70.9
Averages of List
1090.48
-0.12
10881946.00
11424.50
14941.70
95.38
69.67


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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Henderson, NV
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 - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1 * Flow CFS
TP = Total Precipitation



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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
*Air temp data is sourced from (Prev 24 Hr Extremes):    Las Vegas, NV Weather
Water data sourced from Lake Mead Source Data
Weather forecast for Henderson, NV
All data is provisional and subject to review and modification
Lake Mead Notes


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Lake Mead Water Database
Lake Mead, Hoover Dam, Las Vegas, Casino