Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For April 24th, 2018
Snowpack is 71% of avg
TotalPrecip is 72.00% of avg

Lake Powell is currently 478.13 feet deep at the dam

Water Summary Today is day 207 of 365 for the Water Year 2018. We are 57% through the Water Year.
Last Reading: 3610.13 on Apr 23, 2018
Powell was last within 2" of this elevation on Apr 21, 2018 There are currently 4,152,451,841,804 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 89.87 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 52.39% of Full Pool (24,322,000 af)	Total inflows for water year 2018: 2,961,661 acre feet This is 74.98% of the April 23rd average of 3,950,148 acre feet	Total releases for water year 2018: 4,930,301 acre feet This is 59.91% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,932,147 AF and total outflows have exceeded total inflows by 1,968,640 AF
The 28 tracked reservoirs above Lake Powell are currently at 76.88% of capacity. Click for Details
Inflows for WY 2018 are 69.96% of WY 2017 Rivers feeding Lake Powell are running at 35.17% of the Apr 25th avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is down -1.16 feet over these measurements

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

Mon, Apr 23, 2018 3610.13 -0.09 12743390 7957 12482 86.0 53.0 n/a

Sun, Apr 22, 2018 3610.22 -0.04 12752458 8756 10538 80.0 51.0 n/a

Sat, Apr 21, 2018 3610.26 -0.10 12756489 6561 11637 73.0 41.0 54.0

Fri, Apr 20, 2018 3610.36 -0.10 12766571 7777 12856 55.0 41.0 54.0

Thu, Apr 19, 2018 3610.46 -0.10 12776658 7235 12317 75.0 45.0 54.0

Wed, Apr 18, 2018 3610.56 -0.12 12786751 6504 12688 64.0 37.0 54.0

Tue, Apr 17, 2018 3610.68 -0.09 12798869 7052 11589 64.0 44.0 53.0

Mon, Apr 16, 2018 3610.77 -0.07 12807963 8792 12230 80.0 55.0 55.0

Sun, Apr 15, 2018 3610.84 -0.05 12815039 7328 9666 75.0 44.0 55.0

Sat, Apr 14, 2018 3610.89 -0.06 12820094 8705 11595 66.0 39.0 54.0

Fri, Apr 13, 2018 3610.95 -0.10 12826163 7131 12225 59.0 39.0 54.0

Thu, Apr 12, 2018 3611.05 -0.13 12836281 5338 12089 73.0 44.0 54.0

Wed, Apr 11, 2018 3611.18 -0.11 12849443 6591 12243 87.0 53.0 55.0

Tue, Apr 10, 2018 3611.29 -0.12 12860587 6193 12400 75.0 48.0 54.0

Averages of List 3610.69 -0.09 12799768.29 7280.00 11896.79 72.29 45.29 54.1

Averages for April 25th

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

Since Filled 3636.96 0.10 16081436.97 17353.41 12557.05 74.84 48.45 56.3

All-Time 3620.46 0.08 14721135.56 17045.85 12864.93 75.22 47.92 56.3

Last 10 April 25th's data records

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

Tue, Apr 25, 2017 3602.64 0.32 12003734 28209 10970 68.0 53.0 57.0

Mon, Apr 25, 2016 3591.73 0.02 10977844 12855 11498 62.1 50.0 57.0

Sat, Apr 25, 2015 3590.42 0.02 10858569 10940 9594 66.0 48.0 59.0

Fri, Apr 25, 2014 3575.93 0.30 9594882 22646 8666 80.1 50.0 57.0

Thu, Apr 25, 2013 3596.89 -0.10 11455772 4671 9408 73.0 48.0 55.0

Wed, Apr 25, 2012 3635.81 0.02 15513740 10343 8591 75.9 64.0 63.0

Mon, Apr 25, 2011 3610.87 0.24 12818072 21217 15452 70.0 45.0 55.0

Sun, Apr 25, 2010 3619.78 0.24 13739943 20372 9474 75.9 48.9 58.0

Sat, Apr 25, 2009 3610.17 0.14 12747419 17145 9650 69.1 50.0 54.0

Fri, Apr 25, 2008 3592.61 0.19 11058446 21959 13000 68.0 37.9 54.0

Averages of List 3602.69 0.14 12076842.10 17035.70 10630.30 70.81 49.48 56.9

Accessibility of Primitive Launches and Other Sites
As of Monday, April 23rd, 2018 where elevation was 3610.13'

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 30.13 Above Open and Usable

Antelope Point 3592.00 3590.00 20.13 Above Open and Usable

Hite Marina 3650.00 3645.00 34.87 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 38.87 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 49.87 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 57.87 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 69.87 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 69.87 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