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 6784.00 cfs

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

Sun, Aug 27, 2017 3631.49 15,020,378 6784 13151 100.0 71.0 80.0

Fri, Jul 13, 2007 3610.01 12,731,308 6784 13423 100.9 73.9 81.0

Wed, Mar 09, 1977 3650.69 17,521,316 6784 8140 65.0 34.0 --

Wed, Apr 02, 1975 3646.06 16,996,648 6784 9600 48.0 28.0 --

Wed, Oct 04, 1972 3603.15 12,307,102 6784 11400 79.0 58.0 --

Sun, Sep 17, 1972 3605.74 12,565,256 6784 15600 91.0 64.0 --

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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