Lake Powell, Houseboating, Glen Canyon, Striped Bass


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Lake Powell

Lake Powell

For September 20th, 2017
Snowpack is 125% of avg
TotalPrecip is 108.00% of avg

Lake Powell is currently 497.18 feet deep at the dam
Water Summary
Today is day 356 of 365 for the Water Year 2017. We are 98% through the Water Year.
Last Reading: 3629.18 on Sep 19, 2017
Powell was last within 2" of this elevation on Jul 27, 2012
There are currently 4,809,960,720,566 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 70.82 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 60.69% of Full Pool (24,322,000 af)
Total inflows for water year 2017: 11,199,369 acre feet

This is 105.67% of the September 19th average of 10,598,055 acre feet
Total releases for water year 2017: 8,743,722 acre feet

This is 106.24% of the minimum required of 8,230,000 acre feet
During WY 2017, water storage has risen by 1,938,080 AF and total inflows have exceeded total outflows by 2,455,647 AF
The 28 tracked reservoirs above Lake Powell are currently at 84.54% of capacity. Click for Details
Inflows for WY 2017 are 115.45% of WY 2016         Rivers feeding Lake Powell are running at 94.88% of the Sep 21st avg. Click for Details


Powell is up 17.82 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.06 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 19, 2017
3629.18
-0.08
14761208
0
11582
88.0
61.0
n/a
Mon, Sep 18, 2017
3629.26
-0.11
14770130
6026
11758
87.0
59.0
n/a
Sun, Sep 17, 2017
3629.37
-0.09
14782403
5252
9771
82.0
60.0
n/a
Sat, Sep 16, 2017
3629.46
-0.08
14792450
6272
10186
81.0
57.0
n/a
Fri, Sep 15, 2017
3629.54
0.04
14801386
14872
11486
82.0
54.0
78.0
Thu, Sep 14, 2017
3629.50
-0.10
14796918
6198
11328
84.0
60.0
78.0
Wed, Sep 13, 2017
3629.60
-0.09
14808089
7171
11695
93.0
66.0
77.0
Tue, Sep 12, 2017
3629.69
-0.09
14818149
7174
11701
96.0
69.0
78.0
Mon, Sep 11, 2017
3629.78
-0.11
14828214
6069
11816
93.0
66.0
77.0
Sun, Sep 10, 2017
3629.89
-0.03
14840522
8577
9450
88.0
63.0
78.0
Sat, Sep 09, 2017
3629.92
-0.09
14843880
5413
9944
75.0
66.0
79.0
Fri, Sep 08, 2017
3630.01
-0.09
14853957
5736
10270
87.0
69.0
80.0
Thu, Sep 07, 2017
3630.10
-0.14
14864040
4074
11663
93.0
70.0
80.0
Wed, Sep 06, 2017
3630.24
-0.12
14879733
5505
11877
96.0
73.0
81.0
Averages of List
3629.68
-0.08
14817219.93
6309.93
11037.64
87.50
63.79
78.6

Averages for September 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3650.13
-0.08
17684393.81
9649.30
13602.46
85.25
58.77
73.9
All-Time
3635.22
-0.07
15954662.70
9350.20
12848.35
84.41
58.31
73.9

Last 10 September 21st's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Sep 21, 2016
3611.12
-0.14
12843368
5171
12050
73.0
60.0
73.0
Mon, Sep 21, 2015
3606.98
-0.11
12428717
7222
12339
86.0
63.0
78.0
Sun, Sep 21, 2014
3605.66
0.07
12298408
13703
9144
82.9
66.0
77.0
Sat, Sep 21, 2013
3591.20
0.00
10929487
10084
9349
89.1
63.0
67.0
Fri, Sep 21, 2012
3622.19
-0.08
13996673
4345
8113
90.0
63.0
74.0
Wed, Sep 21, 2011
3653.82
-0.03
17695904
14328
15349
89.6
63.0
74.0
Tue, Sep 21, 2010
3633.71
-0.05
15272498
6751
8118
91.9
62.1
73.0
Mon, Sep 21, 2009
3635.94
-0.06
15528762
8593
10058
82.9
62.1
76.0
Sun, Sep 21, 2008
3627.71
-0.10
14597967
9040
12158
86.0
62.1
75.0
Fri, Sep 21, 2007
3601.61
0.01
11904342
9495
10259
86.0
60.1
74.0
Averages of List
3618.99
-0.05
13749612.60
8873.20
10693.70
85.74
62.44
74.1


Accessibility of Primitive Launches and Other Sites
As of Tuesday, September 19th, 2017 where elevation was 3629.18'

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
49.18 Above
Open and Usable
Antelope Point
3592.00
3590.00
39.18 Above
Open and Usable
Hite Marina
3650.00
3645.00
15.82 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
19.82 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
30.82 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
38.82 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
50.82 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
50.82 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



Page took 0.450 seconds to create!
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


Copyright Summit Technologies, Inc.
1999 - 2017



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Lake Powell, Houseboating, Glen Canyon, Striped Bass