Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For October 31st, 2020
Snowpack is 94% of avg
TotalPrecip is 36.00% of avg

Lake Powell is currently 459.81 feet deep at the dam
Water Summary
Today is day 31 of 365 for the Water Year 2021. We are 8% through the Water Year.
Last Reading: 3591.81 on Oct 30, 2020
Powell was last within 2" of this elevation on Oct 29, 2020
There are currently 3,579,528,454,537 gallons of water in Lake Powell!
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Printable Version
Gas Prices on Lake
Detailed Map of Powell
15 Day Weather Forecast
SW Satellite Weather
SW Water Vapor


Elevation & Content Water Inflow Data Glen Canyon Dam Release Data
Lake Powell is 108.19 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 45.17% of Full Pool (24,322,000 af)
Total inflows for water year 2021: 233,831 acre feet

This is 40.93% of the October 30th average of 571,275 acre feet
Total releases for water year 2021: 620,147 acre feet

This is 8.27% of the minimum required of 7,500,000 acre feet
During WY 2021, water storage has fallen by 2,278,795 AF and total outflows have exceeded total inflows by 386,316 AF
The 28 tracked reservoirs above Lake Powell are currently at 1171.56% of capacity. Click for Details
Inflows for WY 2021 are 59.97% of WY 2020         Rivers feeding Lake Powell are running at 71.11% of the Oct 31st avg. Click for Details

Lake Powell is down -21.24 feet from one year ago.    Lake Powell is at low for water year and down 4.02 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.78 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Fri, Oct 30, 2020
3591.81
-0.12
10985155
5140
10619
67.0
43.0
n/a
Thu, Oct 29, 2020
3591.93
-0.12
10996127
5064
10547
66.0
49.0
n/a
Wed, Oct 28, 2020
3592.05
-0.14
11007107
4170
10653
63.0
35.0
n/a
Tue, Oct 27, 2020
3592.19
-0.18
11019925
2230
10714
50.0
30.0
n/a
Mon, Oct 26, 2020
3592.37
-0.12
11036419
5368
10862
42.0
32.0
64.0
Sun, Oct 25, 2020
3592.49
-0.11
11047424
4105
9103
75.0
39.0
66.0
Sat, Oct 24, 2020
3592.60
-0.14
11057518
4109
10610
78.0
53.0
67.0
Fri, Oct 23, 2020
3592.74
-0.15
11070373
3722
10729
77.0
53.0
68.0
Thu, Oct 22, 2020
3592.89
-0.13
11084158
4601
10610
83.0
54.0
68.0
Wed, Oct 21, 2020
3593.02
-0.15
11096113
3496
10513
81.0
54.0
68.0
Tue, Oct 20, 2020
3593.17
-0.17
11109917
2416
10442
80.0
55.0
68.0
Mon, Oct 19, 2020
3593.34
-0.12
11125576
4948
10471
85.0
56.0
68.0
Sun, Oct 18, 2020
3593.46
-0.13
11136638
2866
8893
85.0
58.0
67.0
Sat, Oct 17, 2020
3593.59
-0.14
11148629
4051
10586
80.0
50.0
66.0
Averages of List
3592.69
-0.14
11065791
4020
10382
72.3
47.2
67.0

Averages for October 31st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3645.57
-0.04
17104824
9484
11242
65.1
43.3
64.1
All-Time
3632.44
-0.04
15601605
9554
10766
65.0
42.9
64.1

Last 10 October 31st's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Oct 31, 2019
3612.99
21.18
13033624
7573
10340
47.0
24.0
62.0
Wed, Oct 31, 2018
3590.46
-1.35
10862199
5572
10517
59.0
43.0
63.0
Tue, Oct 31, 2017
3627.09
35.28
14529509
0
10789
75.0
54.0
63.0
Mon, Oct 31, 2016
3609.48
17.67
12678029
9036
10117
75.0
55.0
69.0
Sat, Oct 31, 2015
3606.44
14.63
12375298
9670
9122
69.1
46.0
67.0
Fri, Oct 31, 2014
3605.57
13.76
12289557
6503
9706
71.1
48.9
65.0
Thu, Oct 31, 2013
3590.88
-0.93
10900357
5674
7657
60.1
37.0
62.0
Wed, Oct 31, 2012
3619.46
27.65
13706110
5226
8081
71.1
46.0
n/a
Mon, Oct 31, 2011
3650.27
58.46
17249350
11044
15490
66.9
44.1
64.0
Sun, Oct 31, 2010
3634.08
42.27
15314809
8908
8039
63.0
41.0
63.0
Averages of List
3614.67
-0.05
13293884
6921
9986
65.7
43.9
64.2


Accessibility of Primitive Launches and Other Sites
As of Friday, October 30th, 2020 where elevation was 3591.81'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
43.81 Above
Open and Usable
Wahweap
3558.00
3556.00
35.81 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
15.81 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
11.81 Above
Open and Usable
Antelope Point
3588.00
3587.00
4.81 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
8.19 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
17.19 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
53.19 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
57.19 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
68.19 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
76.19 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
88.19 Below
Unusable, go to main marinas
Blue Notch is unknown and really just shoreline launching at whatever point feels good. No minimum given except amount of courage it takes to reach this launch.


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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 - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation



Page took 1.098 seconds to create!
Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Wayne Gustaveson
  as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes):
   Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin


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1999 - 2020



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Lake Powell, Houseboating, Glen Canyon, Striped Bass