Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For July 10th, 2020
Snowpack is 37% of avg
TotalPrecip is 83.00% of avg

Lake Powell is currently 477.58 feet deep at the dam
Water Summary
Today is day 284 of 366 for the Water Year 2020. We are 78% through the Water Year.
Last Reading: 3609.58 on Jul 9, 2020
Powell was last within 2" of this elevation on Jul 8, 2020
There are currently 4,134,425,740,752 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 90.42 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 52.17% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 5,824,330 acre feet

This is 65.96% of the July 9th average of 8,829,761 acre feet
Total releases for water year 2020: 6,230,410 acre feet

This is 83.07% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 575,880 AF and total outflows have exceeded total inflows by 406,080 AF
The 28 tracked reservoirs above Lake Powell are currently at 83.66% of capacity. Click for Details
Inflows for WY 2020 are 60.33% of WY 2019         Rivers feeding Lake Powell are running at 32.65% of the Jul 10th avg. Click for Details

Lake Powell is down -8.24 feet from one year ago.    Lake Powell is up 10.32 feet from the low for water year.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.32 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Thu, Jul 09, 2020
3609.58
-0.15
12688070
5652
12987
86.0
72.0
76.0
Wed, Jul 08, 2020
3609.73
-0.18
12703142
3954
12937
101.0
78.0
76.0
Tue, Jul 07, 2020
3609.91
-0.15
12721243
5884
13231
100.0
74.0
76.0
Mon, Jul 06, 2020
3610.06
-0.12
12736340
7531
13238
101.0
74.0
76.0
Sun, Jul 05, 2020
3610.18
-0.03
12748427
8549
9320
102.0
72.0
76.0
Sat, Jul 04, 2020
3610.21
-0.10
12751450
4739
9351
97.0
69.0
76.0
Fri, Jul 03, 2020
3610.31
-0.11
12761529
7933
13098
94.0
72.0
75.0
Thu, Jul 02, 2020
3610.42
-0.11
12772623
8100
13267
95.0
70.0
75.0
Wed, Jul 01, 2020
3610.53
-0.09
12783723
9184
13254
92.0
63.0
75.0
Tue, Jun 30, 2020
3610.62
-0.12
12792809
6063
11907
87.0
59.0
75.0
Mon, Jun 29, 2020
3610.74
-0.08
12804931
8054
11700
82.0
75.0
74.0
Sun, Jun 28, 2020
3610.82
-0.05
12813017
6788
8783
95.0
78.0
75.0
Sat, Jun 27, 2020
3610.87
-0.03
12818072
7900
8794
99.0
73.0
75.0
Fri, Jun 26, 2020
3610.90
-0.01
12821106
11783
11575
87.0
75.0
75.0
Averages of List
3610.35
-0.10
12765463
7294
11674
94.1
71.7
75.4

Averages for July 10th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3654.61
-0.01
18240667
21570
17432
96.5
70.3
78.1
All-Time
3640.50
0.03
16587173
21696
16064
97.2
70.5
78.1

Last 10 July 10th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Wed, Jul 10, 2019
3618.25
8.67
13578666
39832
14349
102.0
66.0
76.0
Tue, Jul 10, 2018
3607.95
-1.63
12525059
460
15333
95.0
73.0
78.0
Mon, Jul 10, 2017
3635.74
26.16
15505656
16705
14404
99.0
78.0
81.0
Sun, Jul 10, 2016
3621.44
11.86
13916401
14062
13699
98.0
73.0
78.0
Fri, Jul 10, 2015
3614.12
4.54
13149485
21055
17357
88.0
64.0
76.0
Thu, Jul 10, 2014
3609.72
0.14
12702136
18148
13446
91.9
75.0
77.0
Wed, Jul 10, 2013
3598.23
-11.35
11582001
4092
14103
n/a
n/a
79.0
Tue, Jul 10, 2012
3632.00
22.42
15078033
4347
15047
n/a
n/a
80.0
Sun, Jul 10, 2011
3655.24
45.66
17876792
73558
25303
88.0
68.0
75.0
Sat, Jul 10, 2010
3638.59
29.01
15837212
12385
12624
98.1
73.9
81.0
Averages of List
3623.13
0.03
14175144
20464
15567
95.0
71.4
78.1


Accessibility of Primitive Launches and Other Sites
As of Thursday, July 9th, 2020 where elevation was 3609.58'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
61.58 Above
Open and Usable
Wahweap
3558.00
3556.00
53.58 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
33.58 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
29.58 Above
Open and Usable
Antelope Point
3588.00
3587.00
22.58 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
9.58 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
0.58 Above
Looking bad, not likely. Go very slow!
Hite Marina
3650.00
3645.00
35.42 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
39.42 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
50.42 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
58.42 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
70.42 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 1.099 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