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 10657.00 cfs

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

Mon, Apr 30, 2007 3600.35 11,783,502 10657 10137 88.0 59.0 64.0

Tue, Apr 11, 1989 3674.62 20,485,056 10657 10900 79.0 53.0 --

Mon, Apr 14, 1980 3674.82 20,667,650 10657 17800 n/a n/a --

Tue, Apr 20, 1976 3664.69 19,381,118 10657 12700 70.0 47.0 --

Fri, Jan 09, 1976 3667.54 19,770,284 10657 13800 42.0 24.0 --

Mon, Apr 08, 1974 3651.50 17,706,262 10657 8290 71.0 41.0 --

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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