Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where outflow from Lake Powell was 14012 cfs

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

Thu, Aug 24, 2023 3575.63 8,949,504 7417 14012 84.4 66.4 80.0

Wed, Dec 29, 2010 3626.79 14,496,468 7468 14012 39.9 33.1 51.0

Thu, Dec 23, 2010 3627.38 14,561,501 8130 14012 51.1 39.9 52.0

Sat, Mar 19, 2005 3556.93 8,091,856 9148 14012 52.0 45.0 51.0

Sat, Dec 01, 2001 3660.13 18,509,604 6243 14012 44.1 27.0 56.0

Wed, Aug 29, 2001 3666.66 19,380,726 6375 14012 93.9 73.0 79.0

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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