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 9960.00 cfs

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

Fri, Oct 30, 2015 3606.44 12,375,298 8356 9960 64.0 50.0 68.0

Mon, Nov 18, 1996 3677.74 20,930,776 10233 9960 62.0 38.0 --

Sun, Mar 03, 1996 3675.94 20,672,798 10406 9960 57.0 31.0 --

Sun, Apr 18, 1993 3620.50 13,816,275 18297 9960 82.0 54.0 --

Mon, Apr 05, 1993 3617.82 13,533,569 18906 9960 67.0 46.0 --

Fri, Nov 29, 1991 3626.61 14,477,112 8677 9960 42.0 31.0 --

Wed, Jun 22, 1977 3654.91 18,059,466 5928 9960 95.0 53.0 --

Tue, Mar 10, 1970 3571.39 9,452,044 10211 9960 62.0 39.0 --

Thu, Jan 01, 1970 3572.11 9,512,122 10709 9960 39.0 15.0 --

Thu, Feb 01, 1968 3525.06 6,099,862 7024 9960 46.0 28.0 --

Thu, Feb 16, 1967 3515.73 5,534,896 6155 9960 49.0 29.0 --

Mon, Nov 14, 1966 3525.79 6,165,708 7186 9960 61.0 40.0 --

Mon, Oct 03, 1966 3528.96 6,369,693 4800 9960 76.0 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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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