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 inflow into Lake Powell was 10028.00 cfs

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

Fri, Sep 05, 2008 3629.09 14,751,176 10028 12135 93.0 63.0 --

Tue, Oct 24, 1995 3685.00 21,995,752 10028 14300 59.0 37.0 --

Sat, Mar 19, 1988 3681.81 21,523,078 10028 5380 63.0 29.0 --

Fri, Mar 26, 1976 3664.74 19,387,924 10028 11500 56.0 33.0 --

Fri, Jan 16, 1970 3569.66 9,308,302 10028 14500 52.0 33.0 --

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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