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 outflow from Lake Powell was 7770.00 cfs

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

Sun, Oct 01, 2023 3573.55 8,788,428 9839 7770 71.4 54.3 74.0

Fri, Oct 21, 1994 3653.83 17,697,182 9001 7770 70.0 44.0 --

Sun, Nov 28, 1993 3661.63 18,706,926 9825 7770 47.0 25.0 --

Sun, Sep 20, 1981 3672.51 20,310,202 8045 7770 90.0 64.0 --

Wed, Jun 15, 1977 3655.18 18,094,254 11723 7770 99.0 66.0 --

Sun, Jun 24, 1973 3633.88 15,588,032 44732 7770 98.0 69.0 --

Fri, Oct 13, 1967 3528.26 6,314,094 8210 7770 87.0 52.0 --

Thu, Dec 08, 1966 3523.58 6,025,931 11591 7770 52.0 35.0 --

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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