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 9620.00 cfs

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

Sat, Apr 09, 1988 3681.76 21,515,722 9620 8320 70.0 37.0 --

Sun, Feb 21, 1988 3681.99 21,549,528 9620 12400 56.0 29.0 --

Mon, Feb 22, 1982 3662.42 18,899,602 9620 6690 59.0 37.0 --

Wed, Dec 25, 1974 3648.70 17,352,370 9620 3760 34.0 14.0 --

Fri, Apr 24, 1970 3567.59 9,139,167 9620 20100 69.0 40.0 --

Tue, Feb 03, 1970 3569.42 9,288,554 9620 10100 50.0 27.0 --

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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