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 7737 cfs

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

Wed, Dec 27, 2023 3569.33 8,467,653 7737 10299 44.2 29.3 --

Fri, Sep 27, 2019 3615.69 13,311,577 7737 11951 86.0 59.0 71.0

Tue, Dec 28, 2004 3564.44 8,665,180 7737 9915 46.9 32.0 51.0

Sat, Feb 29, 1992 3619.83 13,745,073 7737 9810 64.0 37.0 --

Mon, Oct 29, 1990 3637.41 15,699,550 7737 6210 73.0 49.0 --

Thu, Feb 12, 1981 3678.36 21,144,924 7737 12400 53.0 28.0 --

Sun, Oct 12, 1975 3666.82 19,701,320 7737 4200 84.0 60.0 --

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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