Lake Powell, Houseboating, Glen Canyon, Striped Bass


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Lake Powell

Lake Powell

For August 20th, 2017
Snowpack is 65% of avg
TotalPrecip is 111.00% of avg

Lake Powell is currently 500.66 feet deep at the dam
Water Summary
Today is day 324 of 365 for the Water Year 2017. We are 89% through the Water Year.
Last Reading: 3632.66 on Aug 19, 2017
Powell was last within 2" of this elevation on Jul 7, 2012
There are currently 4,937,587,601,466 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 67.34 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 62.3% of Full Pool (24,322,000 af)
Total inflows for water year 2017: 10,812,328 acre feet

This is 107.75% of the August 19th average of 10,034,322 acre feet
Total releases for water year 2017: 7,978,569 acre feet

This is 96.94% of the minimum required of 8,230,000 acre feet
During WY 2017, water storage has risen by 2,329,752 AF and total inflows have exceeded total outflows by 2,833,759 AF
The 28 tracked reservoirs above Lake Powell are currently at 88.79% of capacity. Click for Details
Inflows for WY 2017 are 115.94% of WY 2016         Rivers feeding Lake Powell are running at 104.31% of the Aug 20th avg. Click for Details


Powell is up 17.17 feet from one year ago


View Acre Feet     Last 14 Measurements
Powell is down -1.50 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Aug 19, 2017
3632.66
-0.12
15152880
7827
14232
99.0
73.0
n/a
Fri, Aug 18, 2017
3632.78
-0.13
15166517
7862
14891
97.0
70.0
n/a
Thu, Aug 17, 2017
3632.91
-0.13
15181300
8057
15091
95.0
68.0
n/a
Wed, Aug 16, 2017
3633.04
-0.13
15196093
7711
14749
91.0
64.0
n/a
Tue, Aug 15, 2017
3633.17
-0.10
15210897
9639
14820
86.0
72.0
n/a
Mon, Aug 14, 2017
3633.27
-0.13
15222291
7908
14955
93.0
69.0
n/a
Sun, Aug 13, 2017
3633.40
-0.10
15237113
7733
12920
88.0
66.0
n/a
Sat, Aug 12, 2017
3633.50
-0.06
15248521
11532
14235
90.0
68.0
n/a
Fri, Aug 11, 2017
3633.56
-0.16
15255369
6135
15058
96.0
73.0
n/a
Thu, Aug 10, 2017
3633.72
-0.11
15273641
9176
14993
98.0
72.0
n/a
Wed, Aug 09, 2017
3633.83
-0.13
15286211
7787
14853
97.0
73.0
n/a
Tue, Aug 08, 2017
3633.96
-0.13
15301077
7662
14733
95.0
71.0
n/a
Mon, Aug 07, 2017
3634.09
-0.07
15315953
11585
14919
91.0
69.0
79.0
Sun, Aug 06, 2017
3634.16
-0.07
15323968
9709
13044
91.0
68.0
80.0
Averages of List
3633.43
-0.11
15240845.07
8594.50
14535.21
93.36
69.71
79.5

Averages for August 20th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3653.27
-0.13
18092937.43
8746.11
16420.95
93.95
68.52
78.7
All-Time
3638.49
-0.12
16341265.33
8870.94
15619.17
93.66
68.35
78.7

Last 10 August 20th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Aug 20, 2016
3615.31
-0.18
13272225
5147
14386
97.0
68.0
79.0
Thu, Aug 20, 2015
3610.62
-0.21
12792809
2814
13490
99.0
72.0
78.0
Wed, Aug 20, 2014
3606.79
-0.05
12409903
11774
13614
86.0
64.9
79.0
Tue, Aug 20, 2013
3590.86
-0.23
10898538
2741
13371
97.0
75.9
78.0
Mon, Aug 20, 2012
3625.11
-0.19
14312447
3171
13488
96.1
75.0
80.0
Sat, Aug 20, 2011
3657.76
-0.21
18200992
12628
24749
96.8
75.9
80.0
Fri, Aug 20, 2010
3635.73
-0.01
15504501
8482
13382
91.0
64.9
80.0
Thu, Aug 20, 2009
3638.80
-0.14
15861837
8250
13244
98.1
70.0
75.0
Wed, Aug 20, 2008
3631.04
-0.14
14969637
8634
14710
93.9
69.1
n/a
Mon, Aug 20, 2007
3605.10
-0.15
12243413
6018
13408
95.0
72.0
80.0
Averages of List
3621.71
-0.15
14046630.20
6965.90
14784.20
94.99
70.77
78.7


Accessibility of Primitive Launches and Other Sites
As of Saturday, August 19th, 2017 where elevation was 3632.66'

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
52.66 Above
Open and Usable
Antelope Point
3592.00
3590.00
42.66 Above
Open and Usable
Hite Marina
3650.00
3645.00
12.34 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
16.34 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
27.34 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
35.34 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
47.34 Below
Unusable, go to main marinas
Gunsite Pass Cut-Off
3685.00
3680.00
47.34 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 0.225 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