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 27500 cfs

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

Tue, Sep 09, 1986 3693.23 23,250,876 12455 27500 86.0 61.0 --

Wed, Aug 20, 1986 3696.65 23,787,684 11985 27500 95.0 71.0 --

Mon, Aug 18, 1986 3697.07 23,854,140 12699 27500 99.0 80.0 --

Sat, Aug 16, 1986 3697.47 23,917,726 13358 27500 97.0 71.0 --

Thu, Aug 14, 1986 3697.81 23,971,800 13083 27500 93.0 68.0 --

Wed, Aug 13, 1986 3698.03 24,006,804 14039 27500 95.0 70.0 --

Tue, Aug 12, 1986 3698.20 24,033,992 14313 27500 98.0 72.0 --

Sun, Aug 10, 1986 3698.59 24,096,414 14588 27500 92.0 70.0 --

Mon, Sep 02, 1985 3690.15 22,775,084 8244 27500 95.0 70.0 --

Mon, Aug 19, 1985 3693.44 23,283,630 9781 27500 96.0 65.0 --

Wed, Aug 14, 1985 3694.66 23,474,606 11380 27500 96.0 70.0 --

Sun, Oct 02, 1983 3698.58 24,159,438 15474 27500 64.0 53.0 --

Fri, Apr 20, 1973 3592.24 11,240,782 15814 27500 58.0 34.0 --

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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