Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell
For August 20th, 2019
Snowpack is 46% of avg
TotalPrecip is 119.00% of avg

Lake Powell is currently 488.47 feet deep at the dam
Water Summary
Today is day 325 of 365 for the Water Year 2019. We are 89% through the Water Year.
Last Reading: 3620.47 on Aug 19, 2019
Powell was last within 2" of this elevation on Jul 17, 2019
There are currently 4,501,014,789,554 gallons of water in Lake Powell!
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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 79.53 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 56.79% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 11,221,124 acre feet

This is 112.61% of the August 19th average of 9,964,869 acre feet
Total releases for water year 2019: 7,952,185 acre feet

This is 106.03% of the minimum required of 7,500,000 acre feet
During WY 2019, water storage has risen by 2,796,828 AF and total inflows have exceeded total outflows by 3,268,939 AF
The 28 tracked reservoirs above Lake Powell are currently at 91.25% of capacity. Click for Details
Inflows for WY 2019 are 223.19% of WY 2018         Rivers feeding Lake Powell are running at 100.39% of the Aug 21st avg. Click for Details


Lake Powell is up 20.86 feet from one year ago.    Lake Powell is down 1.21 feet from the high for water year.


View Acre Feet     Last 14 Measurements
Lake Powell is down -1.13 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Aug 19, 2019
3620.47
-0.13
13813089
9234
15819
n/a
n/a
n/a
Sun, Aug 18, 2019
3620.60
-0.08
13826902
7919
11612
n/a
n/a
n/a
Sat, Aug 17, 2019
3620.68
-0.08
13835407
7884
11580
n/a
n/a
n/a
Fri, Aug 16, 2019
3620.76
-0.15
13843916
8569
16323
n/a
n/a
n/a
Thu, Aug 15, 2019
3620.91
-0.13
13859881
9388
15989
n/a
n/a
n/a
Wed, Aug 14, 2019
3621.04
-0.10
13873729
11021
15884
n/a
n/a
n/a
Tue, Aug 13, 2019
3621.14
-0.14
13884388
7471
14661
n/a
n/a
n/a
Mon, Aug 12, 2019
3621.28
-0.08
13899321
12027
15734
n/a
n/a
n/a
Sun, Aug 11, 2019
3621.36
-0.03
13907859
10729
11531
n/a
n/a
n/a
Sat, Aug 10, 2019
3621.39
-0.04
13911062
10014
11397
95.0
70.0
80.0
Fri, Aug 09, 2019
3621.43
-0.04
13915333
13937
15321
94.0
73.0
80.0
Thu, Aug 08, 2019
3621.47
-0.06
13919606
13324
15871
96.0
73.0
80.0
Wed, Aug 07, 2019
3621.53
-0.07
13926016
12869
15999
90.0
78.0
80.0
Tue, Aug 06, 2019
3621.60
0.01
13933497
17370
15843
98.0
76.0
80.0
Averages of List
3621.48
-0.04
13921102.80
13502.80
14886.20
94.60
74.00
80.0

Averages for August 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3651.21
-0.14
17834938
8985
16199
90.9
66.2
78.9
All-Time
3637.53
-0.14
16220119
9018
15445
91.5
66.5
78.9

Last 10 August 21st's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Aug 21, 2018
3599.19
-0.15
11672971
8882
15833
0.0
0.0
79.0
Mon, Aug 21, 2017
3632.41
-0.10
15124498
9725
14886
91.0
73.0
80.0
Sun, Aug 21, 2016
3615.19
-0.12
13259814
7603
13456
91.0
68.0
78.0
Fri, Aug 21, 2015
3610.49
-0.13
12779686
7218
13487
97.0
73.0
79.0
Thu, Aug 21, 2014
3606.64
-0.15
12395064
6190
13416
84.9
64.9
78.0
Wed, Aug 21, 2013
3590.74
-0.12
10887628
8332
13507
91.9
77.0
78.0
Tue, Aug 21, 2012
3624.99
-0.12
14299369
7413
13567
93.9
75.9
80.0
Sun, Aug 21, 2011
3657.52
-0.24
18169940
12349
24807
97.0
73.9
80.0
Sat, Aug 21, 2010
3635.69
-0.04
15499883
9370
12713
98.1
69.1
80.0
Fri, Aug 21, 2009
3638.66
-0.14
15845417
7785
13222
100.9
68.0
75.0
Averages of List
3621.15
-0.13
13993427.00
8486.70
14889.40
84.57
64.28
78.7


Accessibility of Primitive Launches and Other Sites
As of Monday, August 19th, 2019 where elevation was 3620.47'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
72.47 Above
Open and Usable
Wahweap
3558.00
3556.00
64.47 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
44.47 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
40.47 Above
Open and Usable
Antelope Point
3588.00
3587.00
33.47 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
20.47 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
11.47 Above
Open and Usable
Hite Marina
3650.00
3645.00
24.53 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
28.53 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
39.53 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
47.53 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
59.53 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 0.449 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 - 2019



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Lake Powell, Houseboating, Glen Canyon, Striped Bass