Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For December 15th, 2018
Snowpack is 99% of avg
TotalPrecip is 106.00% of avg

Lake Powell is currently 452.36 feet deep at the dam

Water Summary Today is day 77 of 365 for the Water Year 2019. We are 21% through the Water Year.
Last Reading: 3584.36 on Dec 14, 2018
Powell was last within 2" of this elevation on Jan 1, 2014 There are currently 3,362,024,906,639 gallons of water in Lake Powell!

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Detailed Map of Powell
15 Day Weather Forecast
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Elevation & Content	Water Inflow Data	Glen Canyon Dam Release Data
Lake Powell is 115.64 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 42.42% of Full Pool (24,322,000 af)	Total inflows for water year 2019: 925,279 acre feet This is 65.52% of the December 14th average of 1,412,254 acre feet	Total releases for water year 2019: 1,623,191 acre feet This is 19.72% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 4,357,875 AF and total outflows have exceeded total inflows by 697,912 AF
The 28 tracked reservoirs above Lake Powell are currently at 66.91% of capacity. Click for Details
Inflows for WY 2019 are 79.18% of WY 2018 Rivers feeding Lake Powell are running at 108.6% of the Dec 16th avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is down -2.05 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP

Fri, Dec 14, 2018 3584.36 -0.15 10317662 5789 12595 n/a n/a n/a

Thu, Dec 13, 2018 3584.51 -0.19 10330836 3877 12604 n/a n/a n/a

Wed, Dec 12, 2018 3584.70 -0.20 10347538 3248 12464 n/a n/a n/a

Tue, Dec 11, 2018 3584.90 -0.14 10365138 6121 12467 0.0 0.0 52.0

Mon, Dec 10, 2018 3585.04 -0.15 10377469 5733 12565 0.0 0.0 52.0

Sun, Dec 09, 2018 3585.19 -0.43 10390692 5871 10786 0.0 0.0 52.0

Sat, Dec 08, 2018 3585.30 0.11 10400396 4301 11142 0.0 0.0 53.0

Fri, Dec 07, 2018 3585.45 0.26 10413638 4796 12606 0.0 0.0 53.0

Thu, Dec 06, 2018 3585.62 -0.17 10428659 4681 12497 0.0 0.0 53.0

Wed, Dec 05, 2018 3585.79 -0.15 10443693 5742 12602 0.0 0.0 54.0

Tue, Dec 04, 2018 3585.94 -0.18 10456971 4217 12530 0.0 0.0 54.0

Mon, Dec 03, 2018 3586.12 -0.12 10472918 7202 12625 0.0 0.0 54.0

Sun, Dec 02, 2018 3586.24 -0.17 10483559 2955 10798 0.0 0.0 54.0

Sat, Dec 01, 2018 3586.41 -0.09 10498645 7626 11606 0.0 0.0 55.0

Averages of List 3585.64 -0.11 10430161.64 5385.91 12020.36 0.00 0.00 53.2

Averages for December 16th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP

Since Filled 3644.07 -0.11 16912271.05 8303.32 14253.39 46.44 28.46 52.6

All-Time 3630.42 -0.10 15368651.45 8582.69 13215.80 46.17 27.44 52.6

Last 10 December 16th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP

Sat, Dec 16, 2017 3623.99 -0.07 14190717 8310 11965 43.0 30.0 54.0

Fri, Dec 16, 2016 3602.98 -0.19 12036669 4891 14512 73.0 46.0 54.0

Wed, Dec 16, 2015 3603.07 -0.16 12045397 6881 14921 41.0 25.0 53.0

Tue, Dec 16, 2014 3599.74 -0.14 11725291 7461 14319 46.9 37.0 55.0

Mon, Dec 16, 2013 3585.90 -0.16 10453429 2711 10057 43.0 27.0 49.0

Sun, Dec 16, 2012 3612.49 -0.16 12982572 3691 12137 42.1 32.0 53.0

Fri, Dec 16, 2011 3642.46 -0.21 16295421 7126 20276 45.0 28.9 54.0

Thu, Dec 16, 2010 3628.24 -0.13 14656671 6935 13939 46.0 39.9 53.0

Wed, Dec 16, 2009 3628.53 -0.15 14688865 7231 15461 44.1 32.0 53.0

Tue, Dec 16, 2008 3619.98 -0.11 13761117 6950 13403 36.0 27.0 55.0

Averages of List 3614.74 -0.15 13283614.90 6218.70 14099.00 46.01 32.48 53.3

Accessibility of Primitive Launches and Other Sites
As of Friday, December 14th, 2018 where elevation was 3584.36'

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 4.36 Above Open and Usable

Antelope Point 3592.00 3590.00 5.64 Below Unusable, go to main marinas

Hite Marina 3650.00 3645.00 60.64 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 64.64 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 75.64 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 83.64 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 95.64 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 95.64 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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Lake Powell, Houseboating, Glen Canyon, Striped Bass