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 27000 cfs

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

Thu, Dec 04, 1986 3687.46 22,365,454 18868 27000 51.0 31.0 --

Mon, Sep 22, 1986 3690.58 22,841,332 13397 27000 79.0 60.0 --

Mon, Sep 15, 1986 3692.03 23,064,654 16610 27000 87.0 56.0 --

Thu, Mar 13, 1986 3682.44 21,615,672 19760 27000 57.0 38.0 --

Thu, Nov 03, 1983 3693.69 23,386,982 14925 27000 70.0 53.0 --

Fri, Oct 07, 1983 3697.90 24,050,656 17246 27000 75.0 57.0 --

Tue, Oct 04, 1983 3698.37 24,125,824 20250 27000 75.0 53.0 --

Fri, Sep 23, 1983 3700.00 24,386,762 11661 27000 81.0 63.0 --

Sun, Sep 04, 1983 3703.67 24,982,726 15259 27000 n/a n/a --

Wed, Aug 31, 1983 3704.42 25,106,146 16214 27000 88.0 71.0 --

Fri, Jul 04, 1980 3700.36 24,542,242 33677 27000 98.0 60.0 --

Sat, Apr 28, 1973 3590.62 11,090,494 18459 27000 85.0 49.0 --

Wed, Apr 25, 1973 3591.15 11,139,612 14434 27000 77.0 50.0 --

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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