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 17431.00 cfs

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

Mon, Apr 13, 1998 3674.18 20,422,870 17431 14100 64.0 38.0 --

Mon, Apr 25, 1988 3683.11 21,714,406 17431 7600 72.0 44.0 --

Sat, Nov 17, 1984 3691.03 22,942,674 17431 25000 52.0 39.0 --

Tue, Mar 06, 1984 3676.30 20,754,888 17431 24400 n/a n/a --

Fri, Mar 23, 1979 3632.61 15,294,075 17431 3540 60.0 41.0 --

Fri, Jun 30, 1972 3619.57 14,006,159 17431 16900 103.0 73.0 --

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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