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 13464.00 cfs

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

Thu, Oct 31, 1985 3686.23 22,180,498 13464 13100 68.0 53.0 --

Sun, Oct 27, 1985 3686.38 22,202,982 13464 11400 75.0 50.0 --

Mon, Oct 27, 1969 3574.99 9,770,748 13464 9610 68.0 48.0 --

Sun, Oct 31, 1965 3531.57 6,551,542 13464 9840 72.0 44.0 --

Mon, Apr 12, 1965 3491.09 4,176,485 13464 20200 49.0 38.0 --

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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