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 12223 cfs

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

Fri, Dec 08, 1995 3682.42 21,612,726 12223 15400 56.0 34.0 --

Sun, Dec 03, 1995 3682.69 21,652,576 12223 12400 64.0 37.0 --

Thu, Dec 25, 1975 3667.52 19,797,512 12223 1450 45.0 27.0 --

Sun, Dec 07, 1975 3667.38 19,778,254 12223 1800 50.0 31.0 --

Tue, Jul 23, 1974 3663.94 19,338,156 12223 19300 n/a n/a --

Thu, Dec 28, 1972 3606.50 12,641,810 12223 20300 40.0 33.0 --

Wed, Jun 19, 1963 12223 2500 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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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