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 11461 cfs

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

Thu, Feb 26, 1998 3675.88 20,664,232 11461 20600 n/a n/a --

Sun, Feb 22, 1998 3676.50 20,752,808 11461 17900 n/a n/a --

Mon, Feb 16, 1998 3677.15 20,845,942 11461 19800 n/a n/a --

Sat, Feb 14, 1998 3677.35 20,874,694 11461 19100 n/a n/a --

Tue, Mar 11, 1997 3663.72 18,984,638 11461 24600 70.0 34.0 --

Thu, Feb 17, 1972 3607.74 12,767,329 11461 5580 65.0 36.0 --

Fri, Nov 12, 1971 3613.25 13,355,833 11461 14900 60.0 42.0 --

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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