Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For February 20th, 2019
Snowpack is 116% of avg
TotalPrecip is 112.00% of avg

Lake Powell is currently 441.43 feet deep at the dam

Water Summary Today is day 144 of 365 for the Water Year 2019. We are 39% through the Water Year.
Last Reading: 3573.43 on Feb 19, 2019
Powell was last within 2" of this elevation on Aug 25, 2004 There are currently 3,058,817,870,995 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 126.57 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 38.6% of Full Pool (24,322,000 af)	Total inflows for water year 2019: 1,634,378 acre feet This is 64.56% of the February 19th average of 2,531,391 acre feet	Total releases for water year 2019: 3,313,724 acre feet This is 40.26% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 1,629,106 AF and total outflows have exceeded total inflows by 1,679,346 AF
The 28 tracked reservoirs above Lake Powell are currently at 65.23% of capacity. Click for Details
Inflows for WY 2019 are 76.83% of WY 2018 Rivers feeding Lake Powell are running at 98.74% of the Feb 21st avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is down -1.75 feet over these measurements

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

Tue, Feb 19, 2019 3573.43 9387155 5636 13602 0.0 0.0 45.0

Mon, Feb 18, 2019 3573.61 9402010 7807 13532 0.0 0.0 45.0

Sun, Feb 17, 2019 3573.74 9412749 8933 11961 0.0 0.0 45.0

Sat, Feb 16, 2019 3573.81 9418535 5908 12540 0.0 0.0 45.0

Fri, Feb 15, 2019 3573.96 9430940 8323 12932 0.0 0.0 45.0

Thu, Feb 14, 2019 3574.06 9439631 7927 12539 0.0 0.0 45.0

Wed, Feb 13, 2019 3574.17 9448327 4794 12794 0.0 0.0 45.0

Tue, Feb 12, 2019 3574.35 9463246 6896 13097 0.0 0.0 45.0

Mon, Feb 11, 2019 3574.49 -0.16 9474862 5380 12489 0.0 0.0 45.0

Sun, Feb 10, 2019 3574.65 -0.16 9488147 5010 12127 0.0 0.0 45.0

Sat, Feb 09, 2019 3574.81 -0.13 9501446 6536 12300 0.0 0.0 45.0

Fri, Feb 08, 2019 3574.94 -0.12 9512260 5811 11125 0.0 0.0 45.0

Thu, Feb 07, 2019 3575.06 -0.12 9522249 8282 13601 0.0 0.0 45.0

Wed, Feb 06, 2019 3575.18 -0.21 9532246 3846 13255 0.0 0.0 46.0

Averages of List 3574.30 -0.15 9459557.36 6506.36 12706.71 0.00 0.00 45.0

Averages for February 21st

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

Since Filled 3637.05 -0.07 16083052.24 9106.24 13659.89 54.33 33.75 48.1

All-Time 3620.87 -0.05 14715792.80 9457.73 12395.02 54.03 33.39 48.1

Last 10 February 21st's data records

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

Wed, Feb 21, 2018 3616.86 -0.12 13433216 6617 13261 41.0 24.0 48.0

Tue, Feb 21, 2017 3594.48 -0.03 11230943 11678 13047 64.0 41.0 50.0

Sun, Feb 21, 2016 3594.85 -0.02 11265277 9859 10730 64.0 39.9 49.0

Sat, Feb 21, 2015 3592.54 0.01 11052011 10637 9994 55.0 42.0 50.0

Fri, Feb 21, 2014 3576.25 -0.10 9621689 6652 11093 59.0 32.0 47.0

Thu, Feb 21, 2013 3602.26 -0.12 11966996 4958 11117 48.0 35.1 45.0

Tue, Feb 21, 2012 3635.76 -0.04 15507966 9264 11589 54.0 30.2 49.0

Mon, Feb 21, 2011 3616.02 -0.17 13345812 7410 18125 43.0 28.9 45.0

Sun, Feb 21, 2010 3620.66 -0.05 13833280 6670 9652 45.0 32.0 50.0

Sat, Feb 21, 2009 3612.60 -0.07 12993792 6923 10393 57.0 30.9 49.0

Averages of List 3606.23 -0.07 12425098.20 8066.80 11900.10 53.00 33.60 48.2

Accessibility of Primitive Launches and Other Sites
As of Tuesday, February 19th, 2019 where elevation was 3573.43'

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 6.57 Below Unusable, use Main Channel

Antelope Point 3592.00 3590.00 16.57 Below Unusable, go to main marinas

Hite Marina 3650.00 3645.00 71.57 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 75.57 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 86.57 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 94.57 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 106.57 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 106.57 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