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 8880.00 cfs

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

Thu, Nov 26, 1987 3687.56 22,380,568 10973 8880 52.0 28.0 --

Fri, Mar 11, 1983 3682.82 21,734,658 17177 8880 69.0 44.0 --

Thu, Jun 18, 1981 3680.82 21,503,376 17678 8880 n/a n/a --

Wed, Mar 25, 1981 3677.88 21,075,230 5787 8880 75.0 49.0 --

Sat, Jan 26, 1980 3673.30 20,452,316 10128 8880 59.0 30.0 --

Thu, Jun 16, 1977 3655.14 18,089,094 9977 8880 97.0 63.0 --

Sun, Jan 14, 1973 3603.70 12,342,209 12221 8880 30.0 27.0 --

Mon, Dec 04, 1967 3528.27 6,314,741 9312 8880 46.0 24.0 --

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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