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 8803.00 cfs

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

Sat, Jul 31, 2021 3553.88 7,866,268 8803 13423 95.0 74.0 80.0

Mon, Jan 13, 1997 3673.39 20,311,424 8803 18600 49.0 39.0 --

Tue, Jul 07, 1981 3680.22 21,415,534 8803 14200 103.0 75.0 --

Mon, Jul 28, 1980 3697.17 24,031,446 8803 25300 104.0 72.0 --

Mon, Nov 22, 1976 3658.95 18,614,130 8803 15600 62.0 38.0 --

Thu, Sep 03, 1970 3597.44 11,787,583 8803 14100 97.0 69.0 --

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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