Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For September 18th, 2020
Snowpack is 113% of avg
TotalPrecip is 76.00% of avg

Lake Powell is currently 465.61 feet deep at the dam
Water Summary
Today is day 354 of 366 for the Water Year 2020. We are 97% through the Water Year.
Last Reading: 3597.61 on Sep 17, 2020
Powell was last within 2" of this elevation on Aug 29, 2018
There are currently 3,754,945,031,864 gallons of water in Lake Powell!
Click for ...

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 102.39 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 47.38% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 6,380,487 acre feet

This is 61.18% of the September 17th average of 10,428,283 acre feet
Total releases for water year 2020: 7,934,936 acre feet

This is 105.8% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 1,740,462 AF and total outflows have exceeded total inflows by 1,554,449 AF
The 28 tracked reservoirs above Lake Powell are currently at 74.13% of capacity. Click for Details
Inflows for WY 2020 are 55.61% of WY 2019         Rivers feeding Lake Powell are running at 67.55% of the Sep 18th avg. Click for Details

Lake Powell is down -19.06 feet from one year ago.    Lake Powell is at low for water year and down 17.62 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.57 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Sep 17, 2020
3597.61
-0.11
11523488
5307
10185
n/a
n/a
n/a
Wed, Sep 16, 2020
3597.72
-0.11
11533856
5613
10493
n/a
n/a
n/a
Tue, Sep 15, 2020
3597.83
-0.10
11544229
5738
10108
n/a
n/a
n/a
Mon, Sep 14, 2020
3597.93
-0.10
11553665
5920
10292
n/a
n/a
n/a
Sun, Sep 13, 2020
3598.03
-0.06
11563106
6520
8836
n/a
n/a
n/a
Sat, Sep 12, 2020
3598.09
-0.12
11568772
4978
10383
n/a
n/a
n/a
Fri, Sep 11, 2020
3598.21
-0.14
11580111
3937
10375
69.0
52.0
74.0
Thu, Sep 10, 2020
3598.35
-0.12
11593348
5016
10427
71.0
50.0
73.0
Wed, Sep 09, 2020
3598.47
-0.26
11604702
-2183
10453
55.0
49.0
73.0
Tue, Sep 08, 2020
3598.73
-0.07
11629325
7707
10547
87.0
62.0
76.0
Mon, Sep 07, 2020
3598.80
-0.15
11635961
1846
8819
100.0
74.0
78.0
Sun, Sep 06, 2020
3598.95
-0.08
11650187
6267
9627
105.0
71.0
78.0
Sat, Sep 05, 2020
3599.03
-0.15
11657778
3354
10335
104.0
68.0
78.0
Fri, Sep 04, 2020
3599.18
-0.14
11672021
3873
10341
101.0
67.0
78.0
Averages of List
3598.35
-0.12
11593611
4564
10087
86.5
61.6
76.0

Averages for September 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3647.59
-0.08
17372504
9336
13362
86.5
59.9
75.2
All-Time
3634.27
-0.08
15833890
9217
12528
85.6
59.0
75.2

Last 10 September 18th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Sep 18, 2019
3616.59
18.98
13405082
8256
11921
89.0
60.0
75.0
Tue, Sep 18, 2018
3594.29
-3.32
11213338
3809
11635
96.0
68.0
75.0
Mon, Sep 18, 2017
3629.26
31.65
14770130
6026
11758
87.0
59.0
77.0
Sun, Sep 18, 2016
3611.48
13.87
12879851
4918
10705
90.0
59.0
74.0
Fri, Sep 18, 2015
3607.25
9.64
12455484
7746
12329
82.0
61.0
76.0
Thu, Sep 18, 2014
3605.77
8.16
12309232
9105
10438
90.0
66.9
77.0
Wed, Sep 18, 2013
3591.18
-6.43
10927665
13760
10545
90.0
71.1
77.0
Tue, Sep 18, 2012
3622.40
24.79
14019211
4855
8041
89.1
61.0
76.0
Sun, Sep 18, 2011
3653.95
56.34
17712410
15236
15600
84.9
63.0
75.0
Sat, Sep 18, 2010
3633.85
36.24
15288498
6993
8082
93.0
62.1
73.0
Averages of List
3616.60
-0.03
13498090
8070
11105
89.1
63.1
75.5


Accessibility of Primitive Launches and Other Sites
As of Thursday, September 17th, 2020 where elevation was 3597.61'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
49.61 Above
Open and Usable
Wahweap
3558.00
3556.00
41.61 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
21.61 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
17.61 Above
Open and Usable
Antelope Point
3588.00
3587.00
10.61 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
2.39 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
11.39 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
47.39 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
51.39 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
62.39 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
70.39 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
82.39 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.


Search DB For More 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 - 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 1.272 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


Copyright Summit Technologies, Inc.
1999 - 2020



Site Views Today: 0       Page Views Today: 0
Lake Powell, Houseboating, Glen Canyon, Striped Bass