Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell
For October 21st, 2019
Snowpack is 340% of avg
TotalPrecip is 48.00% of avg

Lake Powell is currently 481.77 feet deep at the dam
Water Summary
Today is day 21 of 366 for the Water Year 2020. We are 6% through the Water Year.
Last Reading: 3613.77 on Oct 20, 2019
Powell was last within 2" of this elevation on Mar 18, 2018
There are currently 4,273,061,186,329 gallons of water in Lake Powell!
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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 86.23 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 53.92% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 247,461 acre feet

This is 64.94% of the October 20th average of 381,048 acre feet
Total releases for water year 2020: 401,502 acre feet

This is 5.35% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has risen by 2,097,265 AF yet total outflows have exceeded total inflows by 154,041 AF
The 28 tracked reservoirs above Lake Powell are currently at 83.6% of capacity. Click for Details
Inflows for WY 2020 are 72.47% of WY 2019         Rivers feeding Lake Powell are running at 83.83% of the Oct 21st avg. Click for Details


Lake Powell is up 22.32 feet from one year ago.    Lake Powell is at low for water year and down 1.46 feet from the high.


View Acre Feet     Last 14 Measurements
Lake Powell is down -1.03 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Oct 20, 2019
3613.77
-0.02
13113526
8270
8812
n/a
n/a
n/a
Sat, Oct 19, 2019
3613.79
-0.12
13115579
3990
10124
n/a
n/a
n/a
Fri, Oct 18, 2019
3613.91
-0.02
13127902
9542
10084
n/a
n/a
n/a
Thu, Oct 17, 2019
3613.93
-0.12
13129956
4036
10175
n/a
n/a
n/a
Wed, Oct 16, 2019
3614.05
-0.07
13142288
6982
10324
n/a
n/a
n/a
Tue, Oct 15, 2019
3614.12
-0.06
13149485
7542
10324
n/a
n/a
n/a
Mon, Oct 14, 2019
3614.18
-0.08
13155655
6327
10231
n/a
n/a
n/a
Sun, Oct 13, 2019
3614.26
-0.06
13163886
6122
8907
n/a
n/a
n/a
Sat, Oct 12, 2019
3614.32
-0.09
13170061
5674
10142
65.0
35.0
66.0
Fri, Oct 11, 2019
3614.41
-0.11
13179327
4882
10474
60.0
33.0
66.0
Thu, Oct 10, 2019
3614.52
-0.17
13190659
1631
10594
59.0
43.0
68.0
Wed, Oct 09, 2019
3614.69
0.00
13208183
11165
10586
85.0
53.0
69.0
Tue, Oct 08, 2019
3614.69
-0.11
13208183
5037
10637
81.0
48.0
69.0
Mon, Oct 07, 2019
3614.80
-0.10
13219531
5829
10869
75.0
44.0
69.0
Averages of List
3614.25
-0.08
13162444
6216
10163
70.8
42.7
67.8

Averages for October 21st

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3646.80
-0.04
17259792
9817
11129
67.7
45.8
66.4
All-Time
3633.10
-0.02
15685409
10252
10243
68.8
46.6
66.4

Last 10 October 21st's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Oct 21, 2018
3591.42
-0.17
10949543
8163
9159
0.0
0.0
65.0
Sat, Oct 21, 2017
3627.64
0.04
14590226
3211
9202
61.0
46.0
65.0
Fri, Oct 21, 2016
3609.95
-0.08
12725268
6262
10085
72.0
44.0
67.0
Wed, Oct 21, 2015
3606.18
0.03
12349632
12188
10030
62.1
51.1
71.0
Tue, Oct 21, 2014
3606.01
-0.04
12332870
8504
10105
77.0
63.0
67.0
Mon, Oct 21, 2013
3591.07
-0.01
10917647
7993
7996
70.0
50.0
64.0
Sun, Oct 21, 2012
3620.18
-0.05
13782312
5766
8054
78.1
54.0
67.0
Fri, Oct 21, 2011
3651.14
-0.09
17358038
10348
15488
77.0
51.1
67.0
Thu, Oct 21, 2010
3634.08
-0.04
15314809
7567
8050
62.1
50.0
68.0
Wed, Oct 21, 2009
3634.02
-0.08
15307942
8403
10067
66.9
51.1
65.0
Averages of List
3617.17
-0.05
13562829
7841
9824
62.6
46.0
66.6


Accessibility of Primitive Launches and Other Sites
As of Sunday, October 20th, 2019 where elevation was 3613.77'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
65.77 Above
Open and Usable
Wahweap
3558.00
3556.00
57.77 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
37.77 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
33.77 Above
Open and Usable
Antelope Point
3588.00
3587.00
26.77 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
13.77 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
4.77 Above
Open and Usable
Hite Marina
3650.00
3645.00
31.23 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
35.23 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
46.23 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
54.23 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
66.23 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.


Search DB For More Water Data Facts



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 0.170 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 - 2019



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Lake Powell, Houseboating, Glen Canyon, Striped Bass