Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For February 18th, 2019
Snowpack is 115% of avg
TotalPrecip is 113.00% of avg

Lake Powell is currently 441.74 feet deep at the dam

Water Summary Today is day 141 of 365 for the Water Year 2019. We are 39% through the Water Year.
Last Reading: 3573.74 on Feb 17, 2019
Powell was last within 2" of this elevation on Aug 24, 2004 There are currently 3,067,157,712,468 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 126.26 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 38.7% of Full Pool (24,322,000 af)	Total inflows for water year 2019: 1,607,714 acre feet This is 64.44% of the February 17th average of 2,494,935 acre feet	Total releases for water year 2019: 3,259,904 acre feet This is 39.61% of the minimum required of 8,230,000 acre feet
During WY 2019, water storage has fallen by 1,603,512 AF and total outflows have exceeded total inflows by 1,652,190 AF
The 28 tracked reservoirs above Lake Powell are currently at 65.29% of capacity. Click for Details
Inflows for WY 2019 are 76.74% of WY 2018 Rivers feeding Lake Powell are running at 112.76% of the Feb 18th avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is down -1.87 feet over these measurements

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

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 3588 12932 0.0 0.0 45.0

Thu, Feb 14, 2019 3574.17 9448327 12662 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 -0.14 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

Tue, Feb 05, 2019 3575.39 -0.22 9549756 3710 13587 0.0 0.0 46.0

Mon, Feb 04, 2019 3575.61 -0.13 9568124 7822 13612 0.0 0.0 46.0

Averages of List 3574.60 -0.15 9483658.14 6369.86 12711.36 0.00 0.00 45.2

Averages for February 18th

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

Since Filled 3637.28 -0.07 16109795.34 8858.50 13565.92 55.42 35.51 48.2

All-Time 3621.01 -0.04 14732841.22 9162.91 11695.91 55.45 34.59 48.2

Last 10 February 18th's data records

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

Sun, Feb 18, 2018 3617.16 0.03 13464522 4261 13191 63.0 34.0 48.0

Sat, Feb 18, 2017 3594.52 0.06 11234652 15905 12730 50.0 44.0 50.0

Thu, Feb 18, 2016 3595.01 -0.10 11280145 8268 13190 72.0 48.0 49.0

Wed, Feb 18, 2015 3592.67 -0.05 11063944 8559 10916 61.0 42.0 53.0

Tue, Feb 18, 2014 3576.58 -0.11 9649386 6267 11174 64.9 42.1 46.0

Mon, Feb 18, 2013 3602.67 -0.05 12006637 8516 10997 50.0 33.1 45.0

Sat, Feb 18, 2012 3635.93 -0.03 15527606 9456 11154 53.1 33.1 49.0

Fri, Feb 18, 2011 3616.62 -0.20 13408206 6852 17990 57.9 39.0 n/a

Thu, Feb 18, 2010 3620.89 -0.07 13857752 6648 11897 55.9 32.0 50.0

Wed, Feb 18, 2009 3612.85 -0.04 13019316 6927 11017 50.0 30.0 48.0

Averages of List 3606.49 -0.06 12451216.60 8165.90 12425.60 57.78 37.73 48.6

Accessibility of Primitive Launches and Other Sites
As of Sunday, February 17th, 2019 where elevation was 3573.74'

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 6.26 Below Unusable, use Main Channel

Antelope Point 3592.00 3590.00 16.26 Below Unusable, go to main marinas

Hite Marina 3650.00 3645.00 71.26 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 75.26 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 86.26 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 94.26 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 106.26 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 106.26 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