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 5860.00 cfs

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

Fri, Jul 26, 1991 3636.07 15,544,128 8903 5860 94.0 69.0 --

Thu, Nov 26, 1981 3670.71 20,058,232 7497 5860 47.0 33.0 --

Sun, Nov 01, 1981 3671.95 20,231,120 8754 5860 61.0 38.0 --

Sun, Sep 23, 1973 3646.19 17,066,076 11225 5860 89.0 39.0 --

Sun, Dec 11, 1966 3523.95 6,049,145 11569 5860 43.0 26.0 --

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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