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 27700.00 cfs

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

Sat, Sep 20, 1986 3690.98 22,902,918 13807 27700 85.0 59.0 --

Thu, Sep 18, 1986 3691.41 22,969,126 14461 27700 82.0 56.0 --

Thu, Aug 21, 1986 3696.41 23,749,766 11260 27700 96.0 68.0 --

Thu, May 01, 1986 3682.18 21,577,450 36153 27700 84.0 54.0 --

Tue, Apr 29, 1986 3681.88 21,533,342 34026 27700 84.0 47.0 --

Wed, Apr 16, 1986 3681.53 21,481,914 30705 27700 75.0 59.0 --

Tue, Apr 08, 1986 3681.47 21,473,086 32227 27700 70.0 45.0 --

Mon, Apr 07, 1986 3681.42 21,465,728 34321 27700 71.0 48.0 --

Sun, Apr 06, 1986 3681.34 21,453,992 35015 27700 78.0 46.0 --

Wed, Apr 02, 1986 3680.69 21,358,732 23131 27700 59.0 43.0 --

Mon, Jul 23, 1984 3702.03 24,683,246 33781 27700 n/a n/a --

Mon, Sep 26, 1983 3699.45 24,298,702 12655 27700 76.0 58.0 --

Sat, Jul 05, 1980 3700.33 24,537,376 32915 27700 98.0 62.0 --

Tue, May 01, 1973 3590.77 11,104,392 25998 27700 66.0 46.0 --

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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