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 4867.00 cfs

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

Sat, Jan 25, 2014 3579.82 9,924,123 4867 12684 48.0 28.0 45.0

Sat, Sep 02, 2000 3680.24 21,293,032 4867 8087 91.0 62.0 --

Fri, Aug 07, 1981 3676.60 20,890,852 4867 16700 102.0 72.0 --

Tue, Sep 05, 1978 3644.81 16,763,431 4867 21000 98.0 62.0 --

Fri, Oct 07, 1977 3636.20 15,759,423 4867 9600 80.0 59.0 --

Sat, Sep 05, 1964 3490.22 4,137,439 4867 2840 95.0 67.0 --

Fri, Feb 28, 1964 3414.80 1,121,002 4867 4080 52.0 21.0 --

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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