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 8521.00 cfs

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

Tue, Sep 28, 1993 3662.68 18,846,044 8521 11400 85.0 52.0 --

Sun, Sep 13, 1981 3673.04 20,385,106 8521 10400 83.0 60.0 --

Sat, Jun 18, 1977 3655.13 18,087,804 8521 6550 99.0 66.0 --

Thu, Sep 16, 1976 3665.52 19,493,784 8521 17700 89.0 63.0 --

Tue, Apr 25, 1972 3610.79 13,079,459 8521 16000 85.0 43.0 --

Thu, Jan 29, 1970 3569.60 9,303,379 8521 10500 43.0 23.0 --

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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