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 7300 cfs

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

Fri, Apr 22, 1988 3682.60 21,639,214 14805 7300 67.0 36.0 --

Sat, Jun 20, 1981 3680.92 21,517,992 12473 7300 104.0 71.0 --

Fri, Oct 19, 1979 3676.91 20,997,352 8443 7300 83.0 56.0 --

Sun, Aug 01, 1976 3670.40 20,166,672 8667 7300 89.0 66.0 --

Sat, Feb 06, 1971 3601.37 12,150,938 13228 7300 56.0 34.0 --

Sun, Oct 26, 1969 3574.95 9,767,359 14102 7300 68.0 49.0 --

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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