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 6860.00 cfs

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

Sun, Jun 26, 1988 3692.49 23,135,948 17878 6860 91.0 63.0 --

Sun, May 07, 1978 3627.93 14,787,865 19135 6860 n/a 40.0 --

Sat, Apr 03, 1976 3664.67 19,378,396 8212 6860 71.0 44.0 --

Sun, Sep 14, 1975 3670.10 20,154,914 12189 6860 80.0 57.0 --

Mon, Feb 18, 1974 3648.38 17,312,180 10067 6860 50.0 32.0 --

Mon, May 07, 1973 3594.07 11,411,907 32066 6860 74.0 55.0 --

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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