Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Wednesday, October 1st, 2025

Days where inflow into Lake Powell was 10436 cfs

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

Sun, Feb 16, 1997 3669.03 19,704,682 10436 20000 58.0 32.0 --

Thu, Nov 21, 1996 3677.70 20,925,012 10436 11800 68.0 43.0 --

Mon, Aug 13, 1979 3682.84 21,863,830 10436 10400 87.0 64.0 --

Mon, Dec 13, 1976 3656.77 18,328,464 10436 11500 50.0 25.0 --

Wed, Dec 16, 1970 3600.78 12,112,269 10436 15500 51.0 28.0 --

Sun, Aug 23, 1970 3599.25 11,962,857 10436 8360 96.0 69.0 --

Fri, Dec 12, 1969 3572.62 9,570,648 10436 15100 48.0 29.0 --

Fri, Dec 29, 1967 3526.80 6,220,575 10436 8160 36.0 19.0 --

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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