Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where inflow into Lake Powell was 8625.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP

Fri, Feb 09, 2024 3564.11 8,081,932 8625 11698 39.8 27.7 --

Sat, Jan 17, 2015 3595.30 11,307,124 8625 13574 48.9 33.1 48.0

Thu, Dec 11, 2014 3600.40 11,788,272 8625 14466 45.0 37.9 56.0

Thu, Mar 29, 2001 3662.84 18,867,334 8625 9335 68.0 50.0 56.5

Wed, Oct 20, 1999 3689.70 22,706,430 8625 17564 71.0 41.0 --

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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 = * Flow CFS
TP = Total Precipitation

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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes): Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data