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 39900 cfs

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

Sun, Jun 24, 1984 3699.68 24,303,156 74367 39900 95.0 64.0 --

Sat, Jun 23, 1984 3699.32 24,245,558 75041 39900 96.0 65.0 --

Fri, Jun 22, 1984 3698.96 24,187,926 74261 39900 93.0 64.0 --

Wed, Jun 20, 1984 3698.23 24,071,092 76136 39900 95.0 66.0 --

Sun, Jun 17, 1984 3697.04 23,881,652 74493 39900 92.0 60.0 --

Sat, Jun 16, 1984 3696.64 23,818,372 75578 39900 88.0 63.0 --

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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