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 outflow from Lake Powell was 26200.00 cfs

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

Mon, Feb 02, 1987 3678.84 21,089,812 15239 26200 56.0 31.0 --

Thu, Jan 29, 1987 3679.39 21,169,534 15213 26200 52.0 39.0 --

Wed, Dec 10, 1986 3686.79 22,264,506 17757 26200 46.0 29.0 --

Fri, Sep 05, 1986 3693.92 23,358,508 13962 26200 92.0 62.0 --

Tue, Apr 01, 1986 3680.74 21,366,038 21761 26200 80.0 53.0 --

Mon, Mar 24, 1986 3681.37 21,458,408 16262 26200 73.0 47.0 --

Tue, May 07, 1985 3687.83 22,421,342 65386 26200 86.0 54.0 --

Mon, Feb 11, 1985 3678.54 21,046,306 15814 26200 44.0 24.0 --

Thu, Feb 07, 1985 3679.11 21,128,966 14686 26200 40.0 21.0 --

Wed, Feb 06, 1985 3679.29 21,155,056 14760 26200 39.0 17.0 --

Sat, Aug 11, 1984 3701.96 24,671,894 24606 26200 95.0 76.0 --

Tue, Jun 10, 1980 3695.32 23,739,278 56310 26200 n/a n/a --

Sun, Apr 29, 1973 3590.60 11,088,638 19725 26200 81.0 56.0 --

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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