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 9001.00 cfs

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

Sat, Mar 25, 2000 3676.83 20,800,072 9001 8047 66.0 38.0 54.0

Mon, Oct 14, 1996 3678.82 21,086,716 9001 9810 84.0 56.0 --

Fri, Oct 21, 1994 3653.83 17,697,182 9001 7770 70.0 44.0 --

Sun, Apr 21, 1991 3627.36 14,559,612 9001 5130 80.0 49.0 --

Fri, Oct 30, 1981 3671.96 20,232,514 9001 10100 58.0 39.0 --

Wed, Oct 22, 1975 3666.50 19,657,334 9001 8780 77.0 53.0 --

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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