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 outflow from Lake Powell was 9680 cfs

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

Wed, Apr 10, 2013 3597.99 11,559,329 1315 9680 55.9 37.0 52.0

Sat, Sep 29, 2007 3601.86 11,928,417 10270 9680 77.0 51.1 71.0

Sun, Feb 27, 1994 3655.13 17,862,718 8051 9680 62.0 40.0 --

Mon, Nov 11, 1991 3626.91 14,510,090 9118 9680 62.0 43.0 --

Mon, Apr 19, 1982 3664.21 19,138,774 18354 9680 70.0 38.0 --

Thu, Mar 19, 1981 3678.07 21,102,758 5970 9680 61.0 37.0 --

Sat, Apr 05, 1980 3675.37 20,746,018 9553 9680 73.0 36.0 --

Tue, Aug 03, 1976 3670.30 20,152,664 8656 9680 96.0 56.0 --

Wed, Oct 10, 1973 3645.88 17,027,594 10006 9680 62.0 47.0 --

Fri, Sep 20, 1968 3545.91 7,505,232 8858 9680 88.0 65.0 --

Sat, Feb 03, 1968 3524.98 6,094,824 7875 9680 48.0 28.0 --

Mon, Dec 05, 1966 3523.28 6,007,099 6144 9680 53.0 44.0 --

Fri, Feb 05, 1965 3491.66 4,206,086 12664 9680 58.0 34.0 --

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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