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 10273.00 cfs

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

Mon, Jul 28, 2014 3608.45 12,574,913 10273 13214 91.9 73.9 78.0

Wed, Dec 04, 1996 3677.19 20,851,690 10273 17000 46.0 25.0 --

Sun, Dec 12, 1971 3611.08 13,130,148 10273 11300 37.0 17.0 --

Thu, Dec 11, 1969 3572.72 9,579,065 10273 15500 47.0 28.0 --

Sat, Dec 23, 1967 3526.50 6,201,179 10273 6630 24.0 7.0 --

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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