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 9540 cfs

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

Sat, Sep 13, 2014 3605.85 12,317,108 11424 9540 90.0 64.9 75.0

Thu, Jun 03, 1993 3649.94 17,208,242 80349 9540 88.0 58.0 --

Wed, Oct 14, 1992 3621.95 13,970,944 5991 9540 n/a 52.0 --

Thu, Oct 08, 1992 3622.42 14,021,350 5568 9540 n/a 44.0 --

Mon, Oct 10, 1988 3685.11 22,012,516 6916 9540 79.0 50.0 --

Tue, Jan 11, 1983 3684.06 21,919,198 9652 9540 49.0 21.0 --

Sat, Mar 15, 1980 3675.33 20,740,314 13231 9540 64.0 32.0 --

Wed, Mar 17, 1976 3664.92 19,412,396 9662 9540 63.0 38.0 --

Sun, Jul 08, 1973 3639.71 16,276,340 41799 9540 102.0 57.0 --

Fri, May 11, 1973 3596.30 11,622,834 31840 9540 91.0 62.0 --

Sat, Jun 08, 1968 3531.80 6,534,861 62683 9540 66.0 52.0 --

Sat, Jan 09, 1965 3491.64 4,205,046 9927 9540 43.0 27.0 --

Fri, Jan 08, 1965 3491.62 4,204,019 9420 9540 54.0 29.0 --

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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