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 9010.00 cfs

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

Wed, Oct 13, 1993 3662.33 18,799,602 9488 9010 74.0 52.0 --

Sat, Apr 03, 1993 3617.36 13,485,431 19905 9010 67.0 42.0 --

Mon, Mar 29, 1993 3616.15 13,359,305 21174 9010 60.0 36.0 --

Thu, Oct 05, 1978 3639.80 16,158,939 6926 9010 85.0 54.0 --

Fri, Mar 20, 1970 3571.44 9,456,212 9702 9010 54.0 32.0 --

Thu, Mar 06, 1969 3543.65 7,332,072 12885 9010 48.0 31.0 --

Thu, Dec 26, 1968 3539.70 7,067,721 6373 9010 35.0 27.0 --

Fri, Nov 19, 1965 3531.27 6,531,482 11933 9010 61.0 44.0 --

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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