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 8546.00 cfs

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

Mon, Feb 09, 2015 3593.24 11,116,363 8546 10910 68.0 42.0 52.0

Mon, Aug 31, 1992 3626.16 14,427,590 8546 12600 81.0 57.0 --

Wed, Aug 23, 1989 3671.07 19,986,740 8546 15500 94.0 63.0 --

Mon, Aug 29, 1988 3688.25 22,485,250 8546 12300 n/a n/a --

Sun, Aug 31, 1975 3671.89 20,405,828 8546 13700 93.0 57.0 --

Mon, Jan 13, 1969 3539.78 7,061,690 8546 8210 53.0 38.0 --

Wed, Feb 16, 1966 3533.94 6,698,181 8546 11400 38.0 19.0 --

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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