Lake Powell, Houseboating, Glen Canyon, Striped Bass



Lake Powell

Lake Powell

For September 26th, 2018
Snowpack is 44% of avg
TotalPrecip is 65.00% of avg

Lake Powell is currently 461.13 feet deep at the dam
Water Summary
Today is day 361 of 365 for the Water Year 2018. We are 99% through the Water Year.
Last Reading: 3593.13 on Sep 25, 2018
Powell was last within 2" of this elevation on Mar 21, 2016
There are currently 3,618,982,545,560 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 106.87 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 45.66% of Full Pool (24,322,000 af)
Total inflows for water year 2018: 5,348,690 acre feet

This is 50.4% of the September 25th average of 10,613,189 acre feet
Total releases for water year 2018: 8,875,847 acre feet

This is 107.85% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 3,569,302 AF and total outflows have exceeded total inflows by 3,527,157 AF
The 28 tracked reservoirs above Lake Powell are currently at 69.27% of capacity. Click for Details
Inflows for WY 2018 are 47.14% of WY 2017         Rivers feeding Lake Powell are running at 57.13% of the Sep 26th avg. Click for Details


Powell is down -35.50 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -2.14 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 25, 2018
3593.13
-0.18
11106235
3384
11665
n/a
n/a
n/a
Mon, Sep 24, 2018
3593.31
-0.16
11122812
4185
11470
n/a
n/a
n/a
Sun, Sep 23, 2018
3593.47
-0.49
11137560
3186
9974
n/a
n/a
n/a
Sat, Sep 22, 2018
3593.62
0.15
11151397
3932
11228
n/a
n/a
n/a
Fri, Sep 21, 2018
3593.78
0.31
11166169
3347
11656
n/a
n/a
n/a
Thu, Sep 20, 2018
3593.96
-0.18
11182803
3365
11681
n/a
n/a
n/a
Wed, Sep 19, 2018
3594.14
-0.32
11199452
4828
11639
n/a
n/a
n/a
Tue, Sep 18, 2018
3594.29
0.15
11213338
3809
11635
n/a
n/a
n/a
Mon, Sep 17, 2018
3594.46
-0.16
11229089
4523
11851
n/a
n/a
n/a
Sun, Sep 16, 2018
3594.62
-0.48
11243926
3660
9982
n/a
n/a
n/a
Sat, Sep 15, 2018
3594.76
0.14
11256919
3353
11198
n/a
n/a
n/a
Fri, Sep 14, 2018
3594.93
0.31
11272709
3866
11718
n/a
n/a
n/a
Thu, Sep 13, 2018
3595.10
-0.17
11288513
3918
11776
n/a
n/a
n/a
Wed, Sep 12, 2018
3595.27
-0.19
11304331
2838
11719
n/a
n/a
n/a
Averages of List
n/a
n/a
n/a

Averages for September 26th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3649.22
-0.08
17559049.50
9971.24
13009.97
84.25
57.77
73.0
All-Time
3634.73
-0.08
15885458.18
9603.65
12369.07
84.41
57.42
73.0

Last 10 September 26th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 26, 2017
3628.54
-0.09
14689976
7202
11702
73.0
48.0
70.0
Mon, Sep 26, 2016
3610.94
0.00
12825151
12891
12050
79.0
55.0
71.0
Sat, Sep 26, 2015
3606.45
-0.09
12376285
7568
11595
89.1
64.9
76.0
Fri, Sep 26, 2014
3605.38
-0.05
12270885
8788
10653
93.0
68.0
77.0
Thu, Sep 26, 2013
3591.37
-0.01
10944983
11362
11123
78.1
57.9
72.0
Wed, Sep 26, 2012
3621.85
-0.07
13960241
4819
7997
80.1
57.0
73.0
Mon, Sep 26, 2011
3653.44
-0.10
17647716
12314
15494
88.0
71.1
74.0
Sun, Sep 26, 2010
3633.75
-0.01
15277068
9297
8019
89.1
60.1
73.0
Sat, Sep 26, 2009
3635.63
-0.06
15492958
8581
10047
90.0
60.1
74.0
Fri, Sep 26, 2008
3627.30
-0.09
14552670
8627
12164
89.1
62.1
73.0
Averages of List
3621.47
-0.06
14003793.30
9144.90
11084.40
84.85
60.42
73.3


Accessibility of Primitive Launches and Other Sites
As of Tuesday, September 25th, 2018 where elevation was 3593.13'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Castle Rock Cut-Off
3583.00
3580.00
13.13 Above
Open and Usable
Antelope Point
3592.00
3590.00
3.13 Above
Open and Usable
Hite Marina
3650.00
3645.00
51.87 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
55.87 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
66.87 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
74.87 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
86.87 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
86.87 Below
Unusable, use Main Channel
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



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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*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 - 2018



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Lake Powell, Houseboating, Glen Canyon, Striped Bass