Lake Powell, Houseboating, Glen Canyon, Striped Bass





Lake Powell

Lake Powell

For May 30th, 2020
Snowpack is 58% of avg
TotalPrecip is 82.00% of avg

Lake Powell is currently 472.55 feet deep at the dam
Water Summary
Today is day 243 of 366 for the Water Year 2020. We are 66% through the Water Year.
Last Reading: 3604.55 on May 28, 2020
Powell was last within 2" of this elevation on Feb 11, 2020
There are currently 3,971,979,679,556 gallons of water in Lake Powell!
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Printable Version
Gas Prices on Lake
Detailed Map of Powell
15 Day Weather Forecast
SW Satellite Weather
SW Water Vapor


Elevation & Content Water Inflow Data Glen Canyon Dam Release Data
Lake Powell is 95.45 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 50.12% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 4,292,709 acre feet

This is 73.77% of the May 28th average of 5,818,698 acre feet
Total releases for water year 2020: 5,300,190 acre feet

This is 70.67% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 1,074,408 AF and total outflows have exceeded total inflows by 1,007,481 AF
The 28 tracked reservoirs above Lake Powell are currently at 82.38% of capacity. Click for Details
Inflows for WY 2020 are 85.82% of WY 2019         Rivers feeding Lake Powell are running at 39.58% of the May 30th avg. Click for Details

Lake Powell is up 21.13 feet from one year ago.    Lake Powell is up 5.29 feet from the low for water year.

View Acre Feet     Last 14 Measurements
Lake Powell is up 3.16 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, May 28, 2020
3604.55
0.18
12189542
20209
10176
100.0
70.0
n/a
Wed, May 27, 2020
3604.37
0.28
12171949
25645
10310
97.0
67.0
n/a
Tue, May 26, 2020
3604.09
0.30
12144617
26521
10149
89.0
59.0
64.0
Mon, May 25, 2020
3603.79
0.29
12115377
25390
9574
81.0
58.0
64.0
Sun, May 24, 2020
3603.50
0.28
12087158
24813
9551
76.0
54.0
65.0
Sat, May 23, 2020
3603.22
0.37
12059954
29552
9565
79.0
61.0
66.0
Fri, May 22, 2020
3602.85
0.24
12024069
23662
10561
84.0
56.0
66.0
Thu, May 21, 2020
3602.61
0.25
12000830
24057
10448
78.0
51.0
65.0
Wed, May 20, 2020
3602.36
0.31
11976656
26883
10141
71.0
52.0
64.0
Tue, May 19, 2020
3602.05
0.10
11946726
16077
10381
84.0
62.0
65.0
Mon, May 18, 2020
3601.95
0.18
11937082
20309
10420
89.0
64.0
65.0
Sun, May 17, 2020
3601.77
0.19
11919736
20412
10009
89.0
64.0
65.0
Sat, May 16, 2020
3601.58
0.19
11901444
20409
10017
88.0
62.0
65.0
Fri, May 15, 2020
3601.39
0.16
11883172
19264
10452
83.0
58.0
65.0
Averages of List
3602.86
0.24
12025594
23086
10125
84.9
59.9
64.9

Averages for May 30th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3643.38
0.43
16836600
39226
14307
87.0
59.0
66.7
All-Time
3628.69
0.48
15589633
38978
13957
87.2
59.2
66.7

Last 10 May 30th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, May 30, 2019
3584.23
-20.32
10306254
32185
12234
77.0
59.0
64.0
Wed, May 30, 2018
3611.44
6.89
12875794
19487
12386
91.0
64.0
69.0
Tue, May 30, 2017
3618.47
13.92
13601781
44365
10714
91.0
62.0
69.0
Mon, May 30, 2016
3603.43
-1.12
12080353
34304
10069
87.1
62.1
67.0
Sat, May 30, 2015
3596.86
-7.69
11452956
32191
10831
91.0
63.0
68.0
Fri, May 30, 2014
3588.49
-16.06
10684363
47506
8074
88.0
64.9
69.0
Thu, May 30, 2013
3599.24
-5.31
11677721
22995
8084
88.0
59.0
65.0
Wed, May 30, 2012
3636.72
32.17
15619109
21660
9719
91.9
62.1
65.0
Mon, May 30, 2011
3622.45
17.90
14024581
49535
22423
72.0
48.9
59.0
Sun, May 30, 2010
3625.44
20.89
14348459
32154
9113
81.0
53.1
64.0
Averages of List
3608.68
0.42
12667137
33638
11365
85.8
59.8
65.9


Accessibility of Primitive Launches and Other Sites
As of Thursday, May 28th, 2020 where elevation was 3604.55'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
56.55 Above
Open and Usable
Wahweap
3558.00
3556.00
48.55 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
28.55 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
24.55 Above
Open and Usable
Antelope Point
3588.00
3587.00
17.55 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
4.55 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
4.45 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
40.45 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
44.45 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
55.45 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
63.45 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
75.45 Below
Unusable, go to main marinas
Blue Notch is unknown and really just shoreline launching at whatever point feels good. No minimum given except amount of courage it takes to reach this launch.


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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 - 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 = 1.9835 * Flow CFS
TP = Total Precipitation



Page took 1.295 seconds to create!
Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Wayne Gustaveson
  as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes):
   Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin


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1999 - 2020



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Lake Powell, Houseboating, Glen Canyon, Striped Bass