Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For October 18th, 2018
Snowpack is 825% of avg
TotalPrecip is 216.00% of avg

Lake Powell is currently 459.61 feet deep at the dam

Water Summary Today is day 19 of 365 for the Water Year 2019. We are 5% through the Water Year.
Last Reading: 3591.61 on Oct 17, 2018
Powell was last within 2" of this elevation on Oct 7, 2018 There are currently 3,573,574,497,226 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 108.39 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 45.09% of Full Pool (24,322,000 af)	Total inflows for water year 2019: 293,762 acre feet This is 91.04% of the October 17th average of 322,663 acre feet	Total releases for water year 2019: 343,253 acre feet This is 4.17% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 3,708,654 AF and total outflows have exceeded total inflows by 49,491 AF
The 28 tracked reservoirs above Lake Powell are currently at 68.05% of capacity. Click for Details
Inflows for WY 2019 are 97.44% of WY 2018 Rivers feeding Lake Powell are running at 78.81% of the Oct 19th avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is down -0.17 feet over these measurements

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

Wed, Oct 17, 2018 3591.61 -0.03 10966883 9246 10243 n/a n/a n/a

Tue, Oct 16, 2018 3591.64 -0.10 10969623 5884 10363 n/a n/a n/a

Mon, Oct 15, 2018 3591.74 -0.13 10978758 4362 10336 0.0 0.0 67.0

Sun, Oct 14, 2018 3591.87 -0.09 10990640 8960 8962 0.0 0.0 68.0

Sat, Oct 13, 2018 3591.88 0.01 10991555 9724 10224 0.0 0.0 69.0

Fri, Oct 12, 2018 3591.90 0.03 10993384 7879 10370 0.0 0.0 69.0

Thu, Oct 11, 2018 3591.96 0.11 10998871 16355 10382 0.0 0.0 69.0

Wed, Oct 10, 2018 3591.85 0.05 10988812 13578 10593 0.0 0.0 69.0

Tue, Oct 09, 2018 3591.80 0.01 10984241 11160 10167 0.0 0.0 70.0

Mon, Oct 08, 2018 3591.79 0.01 10983327 14843 10367 0.0 0.0 70.0

Sun, Oct 07, 2018 3591.71 -0.08 10976017 13082 9105 0.0 0.0 70.0

Sat, Oct 06, 2018 3591.64 -0.15 10969623 10711 10216 0.0 0.0 71.0

Fri, Oct 05, 2018 3591.71 -0.08 10976017 7281 10268 0.0 0.0 72.0

Thu, Oct 04, 2018 3591.78 -0.12 10982413 4894 10371 0.0 0.0 72.0

Averages of List 3591.80 -0.04 10984471.50 10235.75 10113.42 0.00 0.00 69.6

Averages for October 19th

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

Since Filled 3648.34 -0.02 17435894.84 10053.32 10846.05 71.26 47.84 66.9

All-Time 3633.89 0.00 15775590.71 10175.80 10061.27 71.25 48.02 66.9

Last 10 October 19th's data records

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

Thu, Oct 19, 2017 3627.79 -0.06 14606817 7197 10180 78.0 55.0 65.0

Wed, Oct 19, 2016 3610.10 -0.11 12740368 4580 10052 68.0 52.0 67.0

Mon, Oct 19, 2015 3606.02 0.15 12333856 18696 10103 69.1 52.0 71.0

Sun, Oct 19, 2014 3606.09 0.03 12340756 9054 8507 n/a n/a n/a

Sat, Oct 19, 2013 3591.09 -0.01 10919468 7491 7493 68.0 43.0 65.0

Fri, Oct 19, 2012 3620.33 -0.05 13798225 5703 7992 75.0 48.0 67.0

Wed, Oct 19, 2011 3651.32 -0.11 17380586 10502 15493 72.0 46.9 68.0

Tue, Oct 19, 2010 3634.16 -0.03 15323968 7659 8003 70.0 51.1 69.0

Mon, Oct 19, 2009 3634.13 -0.04 15320533 8366 10009 82.9 57.0 67.0

Sun, Oct 19, 2008 3625.01 -0.06 14301548 7795 12180 77.0 50.0 66.0

Averages of List 3620.60 -0.03 13906612.50 8704.30 10001.20 73.33 50.56 67.2

Accessibility of Primitive Launches and Other Sites
As of Wednesday, October 17th, 2018 where elevation was 3591.61'

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 11.61 Above Open and Usable

Antelope Point 3592.00 3590.00 1.61 Above Maybe, if you're lucky. Go slow and be watchful

Hite Marina 3650.00 3645.00 53.39 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 57.39 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 68.39 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 76.39 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 88.39 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 88.39 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