Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where inflow into Lake Powell was 7162.00 cfs

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

Thu, Oct 24, 1991 3627.32 14,555,208 7162 8940 71.0 48.0 --

Tue, Feb 12, 1991 3630.01 14,854,126 7162 13000 55.0 34.0 --

Mon, Feb 16, 1981 3678.19 21,120,186 7162 9950 58.0 36.0 --

Wed, Feb 16, 1977 3651.53 17,627,490 7162 7390 64.0 33.0 --

Tue, Aug 06, 1974 3661.60 19,023,774 7162 19100 97.0 73.0 --

Sat, Aug 06, 1966 3538.84 7,031,100 7162 12800 103.0 76.0 --

Sun, Nov 01, 1964 3491.94 4,226,877 7162 3970 67.0 43.0 --

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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