Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For May 23rd, 2018
Snowpack is 41% of avg
TotalPrecip is 72.00% of avg

Lake Powell is currently 478.47 feet deep at the dam

Water Summary Today is day 235 of 365 for the Water Year 2018. We are 64% through the Water Year.
Last Reading: 3610.47 on May 21, 2018
Powell was last within 2" of this elevation on Apr 20, 2018 There are currently 4,163,621,051,236 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 89.53 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 52.54% of Full Pool (24,322,000 af)	Total inflows for water year 2018: 3,667,870 acre feet This is 69.71% of the May 21st average of 5,261,545 acre feet	Total releases for water year 2018: 5,574,210 acre feet This is 67.73% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 1,897,870 AF and total outflows have exceeded total inflows by 1,906,340 AF
The 28 tracked reservoirs above Lake Powell are currently at 79.66% of capacity. Click for Details
Inflows for WY 2018 are 60.07% of WY 2017 Rivers feeding Lake Powell are running at 42.49% of the May 23rd avg. Click for Details

View CFS Last 14 Measurements
Powell is up 1.07 feet over these measurements

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

Mon, May 21, 2018 3610.47 0.12 12777667 38676 24667 84.0 59.0 66.0

Sun, May 20, 2018 3610.35 0.17 12765563 37585 18141 84.0 62.0 66.0

Sat, May 19, 2018 3610.18 0.20 12748427 40848 18161 86.0 60.0 65.0

Fri, May 18, 2018 3609.98 0.15 12728287 41667 24433 82.0 55.0 65.0

Thu, May 17, 2018 3609.83 0.12 12713196 38512 24548 88.0 59.0 65.0

Wed, May 16, 2018 3609.71 0.10 12701131 36893 25109 88.0 60.0 64.0

Tue, May 15, 2018 3609.61 0.12 12691083 38807 24861 84.0 57.0 63.0

Mon, May 14, 2018 3609.49 0.09 12679033 35358 24671 82.0 55.0 62.0

Sun, May 13, 2018 3609.40 0.09 12670000 28485 17804 72.0 53.0 62.0

Sat, May 12, 2018 3609.31 0.01 12660971 19811 17798 74.0 64.0 63.0

Fri, May 11, 2018 3609.30 -0.05 12659969 20150 24637 84.0 72.0 63.0

Thu, May 10, 2018 3609.35 0.00 12664984 25335 24405 91.0 66.0 63.0

Wed, May 09, 2018 3609.35 -0.05 12664984 20188 24675 95.0 66.0 64.0

Tue, May 08, 2018 3609.40 0.01 12670000 26757 24742 95.0 60.0 63.0

Averages of List 3609.70 0.08 12699663.93 32076.57 22760.86 84.93 60.57 63.8

Averages for May 23rd

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

Since Filled 3642.89 0.38 16775315.81 69823.38 29451.65 83.24 56.48 65.1

All-Time 3626.49 0.44 15396618.17 70194.55 29072.99 83.79 56.52 65.1

Last 10 May 23rd's data records

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

Tue, May 23, 2017 3614.60 0.52 13198904 80598 21817 84.0 59.0 64.0

Mon, May 23, 2016 3599.06 0.63 11660626 88706 23356 78.1 53.1 64.0

Sat, May 23, 2015 3594.06 0.35 11192050 58023 22259 61.0 48.0 63.0

Fri, May 23, 2014 3584.03 0.43 10288720 57537 16118 71.1 55.4 63.0

Thu, May 23, 2013 3597.65 0.16 11527258 38218 21085 88.0 66.9 65.0

Wed, May 23, 2012 3635.98 0.03 15533387 25240 20369 91.4 71.1 67.0

Mon, May 23, 2011 3619.04 0.46 13661786 91233 44331 81.0 63.0 59.0

Sun, May 23, 2010 3622.85 0.19 14067595 42602 18445 75.9 46.9 63.0

Sat, May 23, 2009 3623.24 0.85 14109627 97249 15791 73.0 55.9 68.0

Fri, May 23, 2008 3603.88 0.86 12124133 96791 26162 60.1 46.0 63.0

Averages of List 3609.44 0.45 12736408.60 67619.70 22973.10 76.36 56.53 63.9

Accessibility of Primitive Launches and Other Sites
As of Monday, May 21st, 2018 where elevation was 3610.47'

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 30.47 Above Open and Usable

Antelope Point 3592.00 3590.00 20.47 Above Open and Usable

Hite Marina 3650.00 3645.00 34.53 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 38.53 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 49.53 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 57.53 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 69.53 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 69.53 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 - Acre Feet per day
Outflow - Acre Feet per day
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