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 7490.00 cfs

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

Thu, Oct 27, 1994 3653.79 17,692,102 7791 7490 72.0 45.0 --

Wed, Nov 02, 1988 3684.06 21,855,948 6281 7490 74.0 44.0 --

Mon, Apr 10, 1978 3623.93 14,345,029 14644 7490 63.0 36.0 --

Thu, Apr 25, 1974 3651.55 17,712,622 10656 7490 83.0 49.0 --

Thu, Mar 18, 1971 3602.34 12,246,336 10160 7490 54.0 29.0 --

Sun, Sep 15, 1968 3546.57 7,552,549 7776 7490 91.0 62.0 --

Fri, Sep 29, 1967 3528.50 6,329,607 9086 7490 86.0 62.0 --

Thu, Feb 18, 1965 3491.07 4,175,445 9152 7490 54.0 28.0 --

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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