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 outflow from Lake Powell was 8049 cfs

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

Fri, Mar 31, 2023 3522.02 5,374,969 8769 8049 56.5 28.9 48.0

Sun, Apr 14, 2013 3597.75 11,536,684 6886 8049 77.0 55.9 54.0

Sat, Nov 24, 2012 3615.48 13,289,820 5810 8049 55.9 35.6 57.0

Mon, Sep 11, 2000 3678.70 21,069,330 7532 8049 n/a n/a --

Mon, Aug 14, 2000 3681.19 21,431,904 5347 8049 98.0 73.0 --

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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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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