Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For August 10th, 2020
Snowpack is 55% of avg
TotalPrecip is 77.00% of avg

Lake Powell is currently 472.51 feet deep at the dam
Water Summary
Today is day 315 of 366 for the Water Year 2020. We are 86% through the Water Year.
Last Reading: 3604.51 on Aug 9, 2020
Powell was last within 2" of this elevation on Aug 8, 2020
There are currently 3,970,705,274,617 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 95.49 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 50.1% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 6,091,836 acre feet

This is 62.64% of the August 9th average of 9,725,757 acre feet
Total releases for water year 2020: 6,993,230 acre feet

This is 93.24% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 1,078,319 AF and total outflows have exceeded total inflows by 901,394 AF
The 28 tracked reservoirs above Lake Powell are currently at 79.84% of capacity. Click for Details
Inflows for WY 2020 are 55.69% of WY 2019         Rivers feeding Lake Powell are running at 43.08% of the Aug 10th avg. Click for Details

Lake Powell is down -16.92 feet from one year ago.    Lake Powell is up 5.25 feet from the low for water year.

View Acre Feet     Last 14 Measurements
Lake Powell is down -2.42 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Aug 09, 2020
3604.51
-0.15
12185631
3583
10730
86.0
72.0
79.0
Sat, Aug 08, 2020
3604.66
-0.16
12200302
3004
10689
82.0
68.0
79.0
Fri, Aug 07, 2020
3604.82
-0.26
12215963
1973
15003
97.0
68.0
79.0
Thu, Aug 06, 2020
3605.08
-0.23
12241442
3232
14676
85.0
74.0
80.0
Wed, Aug 05, 2020
3605.31
-0.24
12264011
2961
14955
99.0
74.0
81.0
Tue, Aug 04, 2020
3605.55
-0.22
12287591
3962
14898
100.0
76.0
81.0
Mon, Aug 03, 2020
3605.77
-0.23
12309232
3305
14791
102.0
78.0
80.0
Sun, Aug 02, 2020
3606.00
-0.13
12331885
4468
10596
105.0
79.0
80.0
Sat, Aug 01, 2020
3606.13
-0.12
12344701
5028
10623
91.0
76.0
80.0
Fri, Jul 31, 2020
3606.25
-0.15
12356539
5938
13149
106.0
92.0
80.0
Thu, Jul 30, 2020
3606.40
-0.13
12371347
7090
13230
0.0
0.0
80.0
Wed, Jul 29, 2020
3606.53
-0.15
12384190
5971
13192
103.0
74.0
80.0
Tue, Jul 28, 2020
3606.68
-0.25
12399020
590
13209
98.0
72.0
79.0
Mon, Jul 27, 2020
3606.93
-0.07
12423764
10382
13302
93.0
74.0
79.0
Averages of List
3605.76
-0.18
12308258
4392
13075
89.1
69.8
79.8

Averages for August 10th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3651.97
-0.13
17925316
10259
16607
95.8
70.0
79.6
All-Time
3638.60
-0.11
16344481
10316
15450
96.7
71.0
79.6

Last 10 August 10th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Aug 10, 2019
3621.39
16.88
13911062
10014
11397
95.0
70.0
80.0
Fri, Aug 10, 2018
3601.54
-2.97
11897596
4571
15803
100.0
74.0
79.0
Thu, Aug 10, 2017
3633.72
29.21
15273641
9176
14993
98.0
72.0
80.0
Wed, Aug 10, 2016
3617.00
12.49
13447820
11848
14910
91.0
70.0
80.0
Mon, Aug 10, 2015
3611.88
7.37
12920469
6600
13466
88.0
66.9
77.0
Sun, Aug 10, 2014
3607.56
3.05
12486264
6116
11751
98.1
73.0
78.0
Sat, Aug 10, 2013
3592.65
-11.86
11062108
7977
12202
87.1
68.0
77.0
Fri, Aug 10, 2012
3626.84
22.33
14501971
5557
13571
n/a
n/a
80.0
Wed, Aug 10, 2011
3659.81
55.30
18467736
17929
24615
97.0
73.9
79.0
Tue, Aug 10, 2010
3636.50
31.99
15593589
10688
13329
93.0
66.0
82.0
Averages of List
3620.89
-0.13
13956226
9048
14604
94.1
70.4
79.2


Accessibility of Primitive Launches and Other Sites
As of Sunday, August 9th, 2020 where elevation was 3604.51'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
56.51 Above
Open and Usable
Wahweap
3558.00
3556.00
48.51 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
28.51 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
24.51 Above
Open and Usable
Antelope Point
3588.00
3587.00
17.51 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
4.51 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
4.49 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
40.49 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
44.49 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
55.49 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
63.49 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
75.49 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 1.116 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