Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For May 31st, 2020
Snowpack is 63% of avg
TotalPrecip is 82.00% of avg

Lake Powell is currently 472.55 feet deep at the dam
Water Summary
Today is day 244 of 366 for the Water Year 2020. We are 67% 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 82.52% of capacity. Click for Details
Inflows for WY 2020 are 85.82% of WY 2019         Rivers feeding Lake Powell are running at 53.20% of the May 31st 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 31st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3643.81
0.42
16886738
39688
14223
88.7
59.2
67.4
All-Time
3629.16
0.46
15638511
39161
13873
88.7
59.8
67.4

Last 10 May 31st's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Fri, May 31, 2019
3584.65
-19.90
10343141
32714
12238
89.0
55.0
65.0
Thu, May 31, 2018
3611.54
6.99
12885938
18418
12418
93.0
64.0
69.0
Wed, May 31, 2017
3619.09
14.54
13667058
47130
11084
90.0
64.0
68.0
Tue, May 31, 2016
3603.87
-0.68
12123170
35680
11916
89.0
61.0
68.0
Sun, May 31, 2015
3597.27
-7.28
11491480
31327
9922
96.0
66.0
70.0
Sat, May 31, 2014
3589.38
-15.17
10764472
51522
7497
95.0
64.0
68.0
Fri, May 31, 2013
3599.44
-5.11
11696734
18879
8090
89.1
66.9
65.0
Thu, May 31, 2012
3636.83
32.28
15631880
17509
9985
93.0
64.9
67.0
Tue, May 31, 2011
3623.13
18.58
14097762
54554
22580
87.1
51.1
59.0
Mon, May 31, 2010
3625.96
21.41
14405339
36810
9122
89.1
57.0
66.0
Averages of List
3609.12
0.44
12710697
34454
11485
91.0
61.4
66.5


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 1.344 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